FlatBuffers Version 24.12.23 (#8459)

* FlatBuffers Release 24.12.23

* Fixed missing generated file version checks

* Run generate_code and fix cpp17 tests

.bazelci/presubmit.yml

@@ -5,7 +5,7 @@ platforms:
   ubuntu1804:
     environment:
       CC: clang
-      SWIFT_VERSION: "5.5.3"
+      SWIFT_VERSION: "5.8"
       SWIFT_HOME: "$HOME/swift-$SWIFT_VERSION"
       PATH: "$PATH:$SWIFT_HOME/usr/bin"
     shell_commands:
@@ -19,7 +19,7 @@ platforms:
   ubuntu2004:
     environment:
       CC: clang
-      SWIFT_VERSION: "5.5.3"
+      SWIFT_VERSION: "5.8"
       SWIFT_HOME: "$HOME/swift-$SWIFT_VERSION"
       PATH: "$PATH:$SWIFT_HOME/usr/bin"
     shell_commands:
@@ -31,7 +31,9 @@ platforms:
     test_targets:
     - "//..."
   macos:
+    xcode_version: "14.3"
     build_targets:
-    - "//..."
+    - "//:flatbuffers"
+    - "//:flatc"
     test_targets:
-    - "//..."
+    - "//tests:flatbuffers_test"

.bazelignore

@@ -1 +1 @@
-node_modules
+ts/node_modules

.bazelrc

@@ -1,4 +1,12 @@
 # We cannot use "common" here because the "version" command doesn't support
 # --deleted_packages. We need to specify it for both build and query instead.
-build --deleted_packages=tests/ts/bazel_repository_test_dir
-query --deleted_packages=tests/ts/bazel_repository_test_dir
+build --deleted_packages=tests/bazel_repository_test_dir,tests/ts/bazel_repository_test_dir
+query --deleted_packages=tests/bazel_repository_test_dir,tests/ts/bazel_repository_test_dir
+# Point tools such as coursier (used in rules_jvm_external) to Bazel's internal JDK
+# suggested in https://github.com/bazelbuild/rules_jvm_external/issues/445
+common --repo_env=JAVA_HOME=../bazel_tools/jdk
+common --action_env=JAVA_HOME=../bazel_tools/jdk
+# Workaround "Error: need --enable_runfiles on Windows for to support rules_js"
+common:windows --enable_runfiles
+# Swift is not required on Windows
+common:windows --deleted_packages=swift

.github/workflows/build.yml

@@ -12,6 +12,9 @@ on:
   pull_request:
     branches:
       - master
+  schedule:
+    # Run daily at 4:45 A.M. to catch dependencies that break us.
+    - cron: '45 4 * * *'
 
 jobs:
   build-linux:
@@ -21,10 +24,10 @@ jobs:
       digests-gcc: ${{ steps.hash-gcc.outputs.hashes }}
       digests-clang: ${{ steps.hash-clang.outputs.hashes }}
     name: Build Linux
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
-        cxx: [g++-13, clang++-15]
+        cxx: [g++-13, clang++-18]
       fail-fast: false
     steps:
     - uses: actions/checkout@v3
@@ -39,7 +42,7 @@ jobs:
         chmod +x flatc
         ./flatc --version
     - name: upload build artifacts
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: Linux flatc binary ${{ matrix.cxx }}
         path: flatc
@@ -53,7 +56,7 @@ jobs:
       with:
         files: Linux.flatc.binary.${{ matrix.cxx }}.zip
     - name: Generate SLSA subjects - clang
-      if: matrix.cxx == 'clang++-15' && startsWith(github.ref, 'refs/tags/')
+      if: matrix.cxx == 'clang++-18' && startsWith(github.ref, 'refs/tags/')
       id: hash-clang
       run: echo "hashes=$(sha256sum Linux.flatc.binary.${{ matrix.cxx }}.zip | base64 -w0)" >> $GITHUB_OUTPUT
     - name: Generate SLSA subjects - gcc
@@ -63,11 +66,11 @@ jobs:
 
   build-linux-no-file-tests:
     name: Build Linux with -DFLATBUFFERS_NO_FILE_TESTS
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: cmake
-      run: CXX=clang++-15 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLATBUFFERS_STRICT_MODE=ON -DFLATBUFFERS_CXX_FLAGS="-DFLATBUFFERS_NO_FILE_TESTS" .
+      run: CXX=clang++-18 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLATBUFFERS_STRICT_MODE=ON -DFLATBUFFERS_CXX_FLAGS="-DFLATBUFFERS_NO_FILE_TESTS" .
     - name: build
       run: make -j
     - name: test
@@ -75,7 +78,7 @@ jobs:
 
   build-linux-out-of-source:
     name: Build Linux with out-of-source build location
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: make build directory
@@ -83,7 +86,7 @@ jobs:
     - name: cmake
       working-directory: build
       run: >
-        CXX=clang++-15 cmake .. -G "Unix Makefiles" -DFLATBUFFERS_STRICT_MODE=ON
+        CXX=clang++-18 cmake .. -G "Unix Makefiles" -DFLATBUFFERS_STRICT_MODE=ON
         -DFLATBUFFERS_BUILD_CPP17=ON -DFLATBUFFERS_CPP_STD=17
     - name: build
       working-directory: build
@@ -97,15 +100,15 @@ jobs:
 
   build-linux-cpp-std:
     name: Build Linux C++
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
         std: [11, 14, 17, 20, 23]
-        cxx: [g++-13, clang++-15]
+        cxx: [g++-13, clang++-18]
         exclude:
           # Clang++15 10.3.0 stdlibc++ doesn't fully support std 23
-          - cxx: clang++-15
+          - cxx: clang++-18
             std: 23
 
     steps:
@@ -167,7 +170,7 @@ jobs:
     - name: test
       run: Release\flattests.exe
     - name: upload build artifacts
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: Windows flatc binary
         path: Release\flatc.exe
@@ -220,11 +223,11 @@ jobs:
     outputs:
       digests: ${{ steps.hash.outputs.hashes }}
     name: Build Mac (for Intel)
-    runs-on: macos-latest
+    runs-on: macos-latest-large
     steps:
     - uses: actions/checkout@v3
     - name: cmake
-      run: cmake -G "Xcode" -DCMAKE_BUILD_TYPE=Release -DFLATBUFFERS_STRICT_MODE=ON .
+      run: cmake -G "Xcode" -DCMAKE_OSX_ARCHITECTURES="x86_64" -DCMAKE_BUILD_TYPE=Release -DFLATBUFFERS_STRICT_MODE=ON .
     - name: build
       run: xcodebuild -toolchain clang -configuration Release -target flattests
     - name: check that the binary is x86_64
@@ -239,9 +242,9 @@ jobs:
         chmod +x Release/flatc
         Release/flatc --version
     - name: upload build artifacts
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
-        name: Mac flatc binary
+        name: Mac flatc binary Intel
         path: Release/flatc
     # Below if only for release.
     - name: Zip file
@@ -282,9 +285,9 @@ jobs:
         chmod +x Release/flatc
         Release/flatc --version
     - name: upload build artifacts
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
-        name: Mac flatc binary
+        name: Mac flatc binary Universal
         path: Release/flatc
     # Below if only for release.
     - name: Zip file
@@ -302,7 +305,7 @@ jobs:
 
   build-android:
    name: Build Android (on Linux)
-   runs-on: ubuntu-22.04-64core
+   runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v3
    - name: set up Java
@@ -321,10 +324,10 @@ jobs:
 
   build-generator:
     name: Check Generated Code
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
-        cxx: [g++-13, clang++-15]
+        cxx: [g++-13, clang++-18]
     steps:
     - uses: actions/checkout@v3
     - name: cmake
@@ -352,7 +355,7 @@ jobs:
 
   build-benchmarks:
     name: Build Benchmarks (on Linux)
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         cxx: [g++-13]
@@ -363,14 +366,14 @@ jobs:
     - name: Run benchmarks
       run: ./flatbenchmark --benchmark_repetitions=5 --benchmark_display_aggregates_only=true --benchmark_out_format=console --benchmark_out=benchmarks/results_${{matrix.cxx}}
     - name: Upload benchmarks results
-      uses: actions/upload-artifact@v1
+      uses: actions/upload-artifact@v4
       with:
         name: Linux flatbenchmark results ${{matrix.cxx}}
         path: benchmarks/results_${{matrix.cxx}}
 
   build-java:
     name: Build Java
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: test
@@ -379,10 +382,17 @@ jobs:
 
   build-kotlin-macos:
     name: Build Kotlin MacOS
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
     - name: Checkout
       uses: actions/checkout@v3
+      # Force Xcode 14.3 since Xcode 15 doesnt support older versions of
+      # kotlin. For Xcode 15, kotlin should be bumpped to 1.9.10
+      # https://stackoverflow.com/a/77150623
+      # For now, run with macos-13 which has this 14.3 installed: 
+      # https://github.com/actions/runner-images/blob/main/images/macos/macos-13-Readme.md#xcode
+    - name: Set up Xcode version
+      run: sudo xcode-select -s /Applications/Xcode_14.3.app/Contents/Developer
     - uses: gradle/wrapper-validation-action@v1.0.5
     - uses: actions/setup-java@v3
       with:
@@ -399,7 +409,7 @@ jobs:
 
   build-kotlin-linux:
     name: Build Kotlin Linux
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - name: Checkout
       uses: actions/checkout@v3
@@ -422,7 +432,7 @@ jobs:
 
   build-rust-linux:
     name: Build Rust Linux
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: test
@@ -440,7 +450,7 @@ jobs:
 
   build-python:
     name: Build Python
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: flatc
@@ -452,7 +462,7 @@ jobs:
 
   build-go:
     name: Build Go
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: flatc
@@ -464,7 +474,7 @@ jobs:
 
   build-php:
    name: Build PHP
-   runs-on: ubuntu-22.04-64core
+   runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v3
    - name: flatc
@@ -478,9 +488,18 @@ jobs:
 
   build-swift:
     name: Build Swift
-    runs-on: ubuntu-22.04-64core
+    strategy:
+      matrix:
+        swift: ["5.8", "5.9", "5.10"]
+    # Only 22.04 has swift at the moment https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2204-Readme.md?plain=1#L30
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v3
+    - uses: swift-actions/setup-swift@v2
+      with:
+        swift-version: ${{ matrix.swift }}
+    - name: Get swift version
+      run: swift --version
     - name: test
       working-directory: tests/swift/tests
       run: |
@@ -489,20 +508,22 @@ jobs:
 
   build-swift-wasm:
     name: Build Swift Wasm
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/swiftwasm/carton:0.15.3
+      image: ghcr.io/swiftwasm/carton:0.20.1
     steps:
-      - uses: actions/checkout@v3
-      - name: Setup Wasmer
-        uses: wasmerio/setup-wasmer@v2
-      - name: Test
-        working-directory: tests/swift/Wasm.tests
-        run: carton test
+       - uses: actions/checkout@v3
+       - uses: bytecodealliance/actions/wasmtime/setup@v1
+       - uses: swiftwasm/setup-swiftwasm@v1
+         with:
+           swift-version: "wasm-6.0.2-RELEASE"
+       - name: Test
+         working-directory: tests/swift/Wasm.tests
+         run: swift run carton test
 
   build-ts:
     name: Build TS
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: flatc
@@ -520,7 +541,7 @@ jobs:
 
   build-dart:
     name: Build Dart
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v3
       - uses: dart-lang/setup-dart@v1
@@ -535,7 +556,7 @@ jobs:
 
   build-nim:
     name: Build Nim
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v3
     - name: flatc
@@ -554,7 +575,7 @@ jobs:
     needs: [build-linux, build-windows, build-mac-intel, build-mac-universal]
     outputs:
       digests: ${{ steps.hash.outputs.digests }}
-    runs-on: ubuntu-22.04-64core
+    runs-on: ubuntu-24.04
     steps:
       - name: Merge results
         id: hash

.github/workflows/main.yml

@@ -1,7 +1,7 @@
 name: OSS-Fuzz
 permissions: read-all
 
-on: 
+on:
   pull_request:
     branches:
       - master
@@ -27,7 +27,7 @@ jobs:
        language: c++
        fuzz-seconds: 60
    - name: Upload Crash
-     uses: actions/upload-artifact@v1
+     uses: actions/upload-artifact@v4
      if: failure() && steps.build.outcome == 'success'
      with:
        name: artifacts

.github/workflows/release.yml

@@ -5,7 +5,7 @@ on:
   # For manual tests.
   workflow_dispatch:
   release:
-    types: [created]
+    types: [published]
 
 jobs:
   publish-npm:
@@ -100,6 +100,53 @@ jobs:
           OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           OSSRH_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
           MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
+          
+  publish-maven-kotlin:
+    name: Publish Maven - Kotlin
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./kotlin
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Maven Central Repository
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+          cache: 'maven'
+          server-id: ossrh
+          server-username: OSSRH_USERNAME
+          server-password: OSSRH_PASSWORD
+          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE # this needs to be an env var
+
+      - name: Publish Kotlin Library on Maven
+        run: ./gradlew publishAllPublicationsToSonatypeRepository
+        env:
+          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          OSSRH_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
 
 
+  publish-crates:
+    name: Publish crates.io
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+          
+      - name: Publish Flatbuffers
+        uses: katyo/publish-crates@v2
+        with:
+          path: ./rust/flatbuffers
+          registry-token: ${{ secrets.CARGO_TOKEN }}
 
+      - name: Publish Flexbuffers
+        uses: katyo/publish-crates@v2
+        with:
+          path: ./rust/flexbuffers
+          registry-token: ${{ secrets.CARGO_TOKEN }}

.github/workflows/scorecards.yml

@@ -42,7 +42,7 @@ jobs:
 
       # Upload the results as artifacts (optional).
       - name: "Upload artifact"
-        uses: actions/upload-artifact@6673cd052c4cd6fcf4b4e6e60ea986c889389535 # v3.0.0
+        uses: actions/upload-artifact@v4
         with:
           name: SARIF file
           path: results.sarif

.gitignore

@@ -153,3 +153,5 @@ cmake-build-debug/
 _deps/
 **/.gradle/**
 kotlin/**/generated
+MODULE.bazel
+MODULE.bazel.lock

BUILD.bazel

@@ -1,5 +1,3 @@
-load("@aspect_rules_js//npm:defs.bzl", "npm_link_package")
-load("@npm//:defs.bzl", "npm_link_all_packages")
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
 
 licenses(["notice"])
@@ -8,13 +6,6 @@ package(
     default_visibility = ["//visibility:public"],
 )
 
-npm_link_all_packages(name = "node_modules")
-
-npm_link_package(
-    name = "node_modules/flatbuffers",
-    src = "//ts:flatbuffers",
-)
-
 exports_files([
     "LICENSE",
     "tsconfig.json",
@@ -37,11 +28,16 @@ config_setting(
 filegroup(
     name = "distribution",
     srcs = [
+        ".bazelignore",
+        ".npmrc",
         "BUILD.bazel",
         "WORKSPACE",
         "build_defs.bzl",
+        "package.json",
+        "pnpm-lock.yaml",
         "typescript.bzl",
         "//grpc/src/compiler:distribution",
+        "//include/codegen:distribution",
         "//reflection:distribution",
         "//src:distribution",
         "//ts:distribution",

CHANGELOG.md

@@ -4,6 +4,11 @@ All major or breaking changes will be documented in this file, as well as any
 new features that should be highlighted. Minor fixes or improvements are not
 necessarily listed.
 
+## [24.3.25] (March 25 2024)(https://github.com/google/flatbuffers/releases/tag/v24.3.25)
+
+* Fixed license metadata parsing (#8253)
+* [C++] Allow string_view in `LookUpByKey` in addition to null-terminated c-style strings (#8203)
+
 ## [24.3.7] (March 7 2024)(https://github.com/google/flatbuffers/releases/tag/v24.3.7)
 
 * Just to fix some of the CI build issues from the 24.3.6 release.

CMake/Version.cmake

@@ -1,6 +1,6 @@
 set(VERSION_MAJOR 24)
-set(VERSION_MINOR 3)
-set(VERSION_PATCH 7)
+set(VERSION_MINOR 12)
+set(VERSION_PATCH 23)
 set(VERSION_COMMIT 0)
 
 if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")

CMakeLists.txt

@@ -183,6 +183,10 @@ set(FlatBuffers_Compiler_SRCS
   src/bfbs_gen_lua.h
   src/bfbs_gen_nim.h
   src/bfbs_namer.h
+  include/codegen/idl_namer.h
+  include/codegen/namer.h
+  include/codegen/python.h
+  include/codegen/python.cc
   include/flatbuffers/code_generators.h
   src/binary_annotator.h
   src/binary_annotator.cpp

FlatBuffers.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'FlatBuffers'
-  s.version          = '24.3.7'
+  s.version          = '24.12.23'
   s.summary          = 'FlatBuffers: Memory Efficient Serialization Library'
 
   s.description      = "FlatBuffers is a cross platform serialization library architected for
@@ -10,12 +10,15 @@ Pod::Spec.new do |s|
 
   s.homepage         = 'https://github.com/google/flatbuffers'
   s.license          = { :type => 'Apache2.0', :file => 'LICENSE' }
-  s.author           = { 'mustii' => 'mustii@mmk.one' }
-  s.source           = { :git => 'https://github.com/google/flatbuffers.git', :tag => s.version.to_s, :submodules => true }
+  s.author           = { 'mustii' => 'me@mustiikhalil.se' }
+  s.source           = { :git => 'https://github.com/google/flatbuffers.git', :tag => "v" + s.version.to_s, :submodules => true }
 
   s.ios.deployment_target = '11.0'
   s.osx.deployment_target = '10.14'
 
   s.swift_version = '5.0'
   s.source_files = 'swift/Sources/Flatbuffers/*.swift'
+  s.pod_target_xcconfig = {
+    'BUILD_LIBRARY_FOR_DISTRIBUTION' => 'YES'
+  }
 end

MODULE.bazel

@@ -0,0 +1,6 @@
+###############################################################################
+# Bazel now uses Bzlmod by default to manage external dependencies.
+# Please consider migrating your external dependencies from WORKSPACE to MODULE.bazel.
+#
+# For more details, please check https://github.com/bazelbuild/bazel/issues/18958
+###############################################################################

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.6
+// swift-tools-version:5.8
 /*
  * Copyright 2020 Google Inc. All rights reserved.
  *

Package@swift-5.5.swift

@@ -1,37 +0,0 @@
-// swift-tools-version:5.5
-/*
- * Copyright 2020 Google Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import PackageDescription
-
-let package = Package(
-  name: "FlatBuffers",
-  platforms: [
-    .iOS(.v11),
-    .macOS(.v10_14),
-  ],
-  products: [
-    .library(
-      name: "FlatBuffers",
-      targets: ["FlatBuffers"]),
-  ],
-  targets: [
-    .target(
-      name: "FlatBuffers",
-      dependencies: [],
-      path: "swift/Sources"),
-  ])
-

README.md

@@ -18,7 +18,7 @@ maximum memory efficiency. It allows you to directly access serialized data with
 
 1. Build the compiler for flatbuffers (`flatc`)
 
-    Use `cmake` to create the build files for your platform and then perform the compliation (Linux example).
+    Use `cmake` to create the build files for your platform and then perform the compilation (Linux example).
 
     ```
     cmake -G "Unix Makefiles"

WORKSPACE

@@ -11,6 +11,21 @@ http_archive(
     ],
 )
 
+# Import our own version of skylib before other rule sets (e.g. rules_swift)
+# has a chance to import an old version.
+http_archive(
+    name = "bazel_skylib",
+    sha256 = "66ffd9315665bfaafc96b52278f57c7e2dd09f5ede279ea6d39b2be471e7e3aa",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.4.2/bazel-skylib-1.4.2.tar.gz",
+        "https://github.com/bazelbuild/bazel-skylib/releases/download/1.4.2/bazel-skylib-1.4.2.tar.gz",
+    ],
+)
+
+load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
+
+bazel_skylib_workspace()
+
 http_archive(
     name = "build_bazel_rules_apple",
     sha256 = "34c41bfb59cdaea29ac2df5a2fa79e5add609c71bb303b2ebb10985f93fa20e7",
@@ -68,6 +83,28 @@ http_archive(
     ],
 )
 
+#### Building boring ssl
+# Fetching boringssl within the flatbuffers repository, to patch the issue
+# of not being able to upgrade to Xcode 14.3 due to buildkite throwing errors
+# which was patched in the following below.
+# https://github.com/google/flatbuffers/commit/67eb95de9281087ccbba9aafd6e8ab1958d12045
+# The patch was copied from the following comment on the same issue within tensorflow
+# and fixed to adapt the already existing patch for boringssl.
+# https://github.com/tensorflow/tensorflow/issues/60191#issuecomment-1496073147
+http_archive(
+    name = "boringssl",
+    patch_args = ["-p1"],
+    patches = ["//grpc:boringssl.patch"],
+    # Use github mirror instead of https://boringssl.googlesource.com/boringssl
+    # to obtain a boringssl archive with consistent sha256
+    sha256 = "534fa658bd845fd974b50b10f444d392dfd0d93768c4a51b61263fd37d851c40",
+    strip_prefix = "boringssl-b9232f9e27e5668bc0414879dcdedb2a59ea75f2",
+    urls = [
+        "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/boringssl/archive/b9232f9e27e5668bc0414879dcdedb2a59ea75f2.tar.gz",
+        "https://github.com/google/boringssl/archive/b9232f9e27e5668bc0414879dcdedb2a59ea75f2.tar.gz",
+    ],
+)
+
 ##### GRPC
 _GRPC_VERSION = "1.49.0"  # https://github.com/grpc/grpc/releases/tag/v1.48.0
 
@@ -101,7 +138,7 @@ load("@aspect_rules_js//js:repositories.bzl", "rules_js_dependencies")
 
 rules_js_dependencies()
 
-load("@aspect_rules_js//npm:npm_import.bzl", "npm_translate_lock", "pnpm_repository")
+load("@aspect_rules_js//npm:npm_import.bzl", "pnpm_repository")
 
 pnpm_repository(name = "pnpm")
 
@@ -129,17 +166,13 @@ nodejs_register_toolchains(
     node_version = DEFAULT_NODE_VERSION,
 )
 
-npm_translate_lock(
-    name = "npm",
-    npmrc = "//:.npmrc",
-    pnpm_lock = "//:pnpm-lock.yaml",
-    # Set this to True when the lock file needs to be updated, commit the
-    # changes, then set to False again.
-    update_pnpm_lock = False,
-    verify_node_modules_ignored = "//:.bazelignore",
+load("@com_github_google_flatbuffers//ts:repositories.bzl", "flatbuffers_npm")
+
+flatbuffers_npm(
+    name = "flatbuffers_npm",
 )
 
-load("@npm//:repositories.bzl", "npm_repositories")
+load("@flatbuffers_npm//:repositories.bzl", "npm_repositories")
 
 npm_repositories()
 

android/app/src/main/cpp/generated/animal_generated.h

@@ -8,9 +8,9 @@
 
 // Ensure the included flatbuffers.h is the same version as when this file was
 // generated, otherwise it may not be compatible.
-static_assert(FLATBUFFERS_VERSION_MAJOR == 23 &&
-              FLATBUFFERS_VERSION_MINOR == 1 &&
-              FLATBUFFERS_VERSION_REVISION == 21,
+static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
+              FLATBUFFERS_VERSION_MINOR == 12 &&
+              FLATBUFFERS_VERSION_REVISION == 23,
              "Non-compatible flatbuffers version included");
 
 namespace com {

android/app/src/main/java/generated/com/fbs/app/Animal.kt

@@ -57,7 +57,7 @@ class Animal : Table() {
             return if(o != 0) bb.getShort(o + bb_pos).toUShort() else 0u
         }
     companion object {
-        fun validateVersion() = Constants.FLATBUFFERS_24_3_7()
+        fun validateVersion() = Constants.FLATBUFFERS_24_12_23()
         fun getRootAsAnimal(_bb: ByteBuffer): Animal = getRootAsAnimal(_bb, Animal())
         fun getRootAsAnimal(_bb: ByteBuffer, obj: Animal): Animal {
             _bb.order(ByteOrder.LITTLE_ENDIAN)

benchmarks/cpp/flatbuffers/bench_generated.h

@@ -8,9 +8,9 @@
 
 // Ensure the included flatbuffers.h is the same version as when this file was
 // generated, otherwise it may not be compatible.
-static_assert(FLATBUFFERS_VERSION_MAJOR == 2 &&
-              FLATBUFFERS_VERSION_MINOR == 0 &&
-              FLATBUFFERS_VERSION_REVISION == 6,
+static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
+              FLATBUFFERS_VERSION_MINOR == 12 &&
+              FLATBUFFERS_VERSION_REVISION == 23,
              "Non-compatible flatbuffers version included");
 
 namespace benchmarks_flatbuffers {

benchmarks/swift/Benchmarks/FlatbuffersBenchmarks/FlatbuffersBenchmarks.swift

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 Google Inc. All rights reserved.
+ * Copyright 2024 Google Inc. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -178,4 +178,24 @@ let benchmarks = {
     let root = Offset(offset: fb.endTable(at: start))
     fb.finish(offset: root)
   }
+
+  Benchmark("Vector of Offsets") { benchmark in
+    let rawSize = ((16 * 5) * benchmark.scaledIterations.count) / 1024
+    var fb = FlatBufferBuilder(initialSize: Int32(rawSize * 1600))
+    benchmark.startMeasurement()
+    for _ in benchmark.scaledIterations {
+      let offsets = [
+        fb.create(string: "T"),
+        fb.create(string: "2"),
+        fb.create(string: "3"),
+      ]
+      let off = fb.createVector(ofOffsets: [
+        fb.createVector(ofOffsets: offsets),
+        fb.createVector(ofOffsets: offsets),
+      ])
+      let s = fb.startTable(with: 2)
+      fb.add(offset: off, at: 2)
+      blackHole(fb.endTable(at: s))
+    }
+  }
 }

benchmarks/swift/Package.swift

@@ -26,7 +26,7 @@ let package = Package(
     .package(path: "../.."),
     .package(
       url: "https://github.com/ordo-one/package-benchmark",
-      from: "1.12.0"),
+      from: "1.27.0"),
   ],
   targets: [
     .executableTarget(

dart/lib/flat_buffers.dart

@@ -386,7 +386,7 @@ class Builder {
   /// Updates the [offset] pointer.  This method is intended for use when writing structs to the buffer.
   void putFloat64(double value) {
     _prepare(_sizeofFloat64, 1);
-    _setFloat32AtTail(_tail, value);
+    _setFloat64AtTail(_tail, value);
   }
 
   /// Writes a Float32 to the tail of the buffer after preparing space for it.

dart/pubspec.yaml

@@ -1,11 +1,11 @@
 name: flat_buffers
-version: 24.3.7
+version: 24.12.23
 description: FlatBuffers reading and writing library for Dart. Based on original work by Konstantin Scheglov and Paul Berry of the Dart SDK team.
 homepage: https://github.com/google/flatbuffers
 documentation: https://google.github.io/flatbuffers/index.html
 
 environment:
-  sdk: '>=2.12.0 <4.0.0'
+  sdk: '>=2.17.0 <4.0.0'
 
 dev_dependencies:
   test: ^1.17.7

dart/test/bool_structs_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 import 'dart:typed_data' show Uint8List;
 import 'package:flat_buffers/flat_buffers.dart' as fb;

dart/test/enums_generated.dart

@@ -1,43 +1,33 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 import 'dart:typed_data' show Uint8List;
 import 'package:flat_buffers/flat_buffers.dart' as fb;
 
 
-class OptionsEnum {
+enum OptionsEnum {
+  A(1),
+  B(2),
+  C(3);
+
   final int value;
-  const OptionsEnum._(this.value);
+  const OptionsEnum(this.value);
 
   factory OptionsEnum.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum OptionsEnum');
+    switch (value) {
+      case 1: return OptionsEnum.A;
+      case 2: return OptionsEnum.B;
+      case 3: return OptionsEnum.C;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static OptionsEnum? _createOrNull(int? value) => 
+  static OptionsEnum? _createOrNull(int? value) =>
       value == null ? null : OptionsEnum.fromValue(value);
 
   static const int minValue = 1;
   static const int maxValue = 3;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const OptionsEnum A = OptionsEnum._(1);
-  static const OptionsEnum B = OptionsEnum._(2);
-  static const OptionsEnum C = OptionsEnum._(3);
-  static const Map<int, OptionsEnum> values = {
-    1: A,
-    2: B,
-    3: C};
-
   static const fb.Reader<OptionsEnum> reader = _OptionsEnumReader();
-
-  @override
-  String toString() {
-    return 'OptionsEnum{value: $value}';
-  }
 }
 
 class _OptionsEnumReader extends fb.Reader<OptionsEnum> {

dart/test/flat_buffers_test.dart

@@ -9,7 +9,7 @@ import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import './monster_test_my_game.example_generated.dart' as example;
 import './monster_test_my_game.example2_generated.dart' as example2;
-import './list_of_enums_generated.dart' as example3;
+import 'enums_generated.dart' as example3;
 import './bool_structs_generated.dart' as example4;
 
 main() {
@@ -63,11 +63,11 @@ class CheckOtherLangaugesData {
     expect(
         mon.toString(),
         'Monster{'
-        'pos: Vec3{x: 1.0, y: 2.0, z: 3.0, test1: 3.0, test2: Color{value: 2}, test3: Test{a: 5, b: 6}}, '
+        'pos: Vec3{x: 1.0, y: 2.0, z: 3.0, test1: 3.0, test2: Color.Green, test3: Test{a: 5, b: 6}}, '
         'mana: 150, hp: 80, name: MyMonster, inventory: [0, 1, 2, 3, 4], '
-        'color: Color{value: 8}, testType: AnyTypeId{value: 1}, '
+        'color: Color.Blue, testType: AnyTypeId.Monster, '
         'test: Monster{pos: null, mana: 150, hp: 100, name: Fred, '
-        'inventory: null, color: Color{value: 8}, testType: null, '
+        'inventory: null, color: Color.Blue, testType: null, '
         'test: null, test4: null, testarrayofstring: null, '
         'testarrayoftables: null, enemy: null, testnestedflatbuffer: null, '
         'testempty: null, testbool: false, testhashs32Fnv1: 0, '
@@ -82,18 +82,18 @@ class CheckOtherLangaugesData {
         'coOwningReference: 0, vectorOfCoOwningReferences: null, '
         'nonOwningReference: 0, vectorOfNonOwningReferences: null, '
         'anyUniqueType: null, anyUnique: null, anyAmbiguousType: null, '
-        'anyAmbiguous: null, vectorOfEnums: null, signedEnum: Race{value: -1}, '
+        'anyAmbiguous: null, vectorOfEnums: null, signedEnum: Race.None, '
         'testrequirednestedflatbuffer: null, scalarKeySortedTables: null, '
         'nativeInline: null, '
-        'longEnumNonEnumDefault: LongEnum{value: 0}, '
-        'longEnumNormalDefault: LongEnum{value: 2}, nanDefault: NaN, '
+        'longEnumNonEnumDefault: LongEnum._default, '
+        'longEnumNormalDefault: LongEnum.LongOne, nanDefault: NaN, '
         'infDefault: Infinity, positiveInfDefault: Infinity, infinityDefault: '
         'Infinity, positiveInfinityDefault: Infinity, negativeInfDefault: '
         '-Infinity, negativeInfinityDefault: -Infinity, doubleInfDefault: Infinity}, '
         'test4: [Test{a: 10, b: 20}, Test{a: 30, b: 40}], '
         'testarrayofstring: [test1, test2], testarrayoftables: null, '
         'enemy: Monster{pos: null, mana: 150, hp: 100, name: Fred, '
-        'inventory: null, color: Color{value: 8}, testType: null, '
+        'inventory: null, color: Color.Blue, testType: null, '
         'test: null, test4: null, testarrayofstring: null, '
         'testarrayoftables: null, enemy: null, testnestedflatbuffer: null, '
         'testempty: null, testbool: false, testhashs32Fnv1: 0, '
@@ -108,11 +108,11 @@ class CheckOtherLangaugesData {
         'coOwningReference: 0, vectorOfCoOwningReferences: null, '
         'nonOwningReference: 0, vectorOfNonOwningReferences: null, '
         'anyUniqueType: null, anyUnique: null, anyAmbiguousType: null, '
-        'anyAmbiguous: null, vectorOfEnums: null, signedEnum: Race{value: -1}, '
+        'anyAmbiguous: null, vectorOfEnums: null, signedEnum: Race.None, '
         'testrequirednestedflatbuffer: null, scalarKeySortedTables: null, '
         'nativeInline: null, '
-        'longEnumNonEnumDefault: LongEnum{value: 0}, '
-        'longEnumNormalDefault: LongEnum{value: 2}, nanDefault: NaN, '
+        'longEnumNonEnumDefault: LongEnum._default, '
+        'longEnumNormalDefault: LongEnum.LongOne, nanDefault: NaN, '
         'infDefault: Infinity, positiveInfDefault: Infinity, infinityDefault: '
         'Infinity, positiveInfinityDefault: Infinity, negativeInfDefault: '
         '-Infinity, negativeInfinityDefault: -Infinity, doubleInfDefault: Infinity}, '
@@ -137,12 +137,12 @@ class CheckOtherLangaugesData {
         'vectorOfNonOwningReferences: null, '
         'anyUniqueType: null, anyUnique: null, '
         'anyAmbiguousType: null, '
-        'anyAmbiguous: null, vectorOfEnums: null, signedEnum: Race{value: -1}, '
+        'anyAmbiguous: null, vectorOfEnums: null, signedEnum: Race.None, '
         'testrequirednestedflatbuffer: null, scalarKeySortedTables: [Stat{id: '
         'miss, val: 0, count: 0}, Stat{id: hit, val: 10, count: 1}], '
         'nativeInline: Test{a: 1, b: 2}, '
-        'longEnumNonEnumDefault: LongEnum{value: 0}, '
-        'longEnumNormalDefault: LongEnum{value: 2}, nanDefault: NaN, '
+        'longEnumNonEnumDefault: LongEnum._default, '
+        'longEnumNormalDefault: LongEnum.LongOne, nanDefault: NaN, '
         'infDefault: Infinity, positiveInfDefault: Infinity, infinityDefault: '
         'Infinity, positiveInfinityDefault: Infinity, negativeInfDefault: '
         '-Infinity, negativeInfinityDefault: -Infinity, doubleInfDefault: Infinity}');
@@ -215,6 +215,10 @@ class BuilderTest {
       ..addTestarrayofstringOffset(testArrayOfString);
     final mon = monBuilder.finish();
     fbBuilder.finish(mon);
+
+    final mon3 = example.Monster(fbBuilder.buffer);
+    expect(mon3.name, 'MyMonster');
+    expect(mon3.pos!.test1, 3.0);
   }
 
   void test_error_addInt32_withoutStartTable([Builder? builder]) {

dart/test/include_test1_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 import 'dart:typed_data' show Uint8List;
 import 'package:flat_buffers/flat_buffers.dart' as fb;

dart/test/include_test2_my_game.other_name_space_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 library my_game.other_name_space;
 
@@ -9,35 +9,25 @@ import 'package:flat_buffers/flat_buffers.dart' as fb;
 
 import './include_test1_generated.dart';
 
-class FromInclude {
+enum FromInclude {
+  IncludeVal(0);
+
   final int value;
-  const FromInclude._(this.value);
+  const FromInclude(this.value);
 
   factory FromInclude.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum FromInclude');
+    switch (value) {
+      case 0: return FromInclude.IncludeVal;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static FromInclude? _createOrNull(int? value) => 
+  static FromInclude? _createOrNull(int? value) =>
       value == null ? null : FromInclude.fromValue(value);
 
   static const int minValue = 0;
   static const int maxValue = 0;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const FromInclude IncludeVal = FromInclude._(0);
-  static const Map<int, FromInclude> values = {
-    0: IncludeVal};
-
   static const fb.Reader<FromInclude> reader = _FromIncludeReader();
-
-  @override
-  String toString() {
-    return 'FromInclude{value: $value}';
-  }
 }
 
 class _FromIncludeReader extends fb.Reader<FromInclude> {

dart/test/keyword_test_keyword_test_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 library keyword_test;
 
@@ -7,39 +7,29 @@ import 'dart:typed_data' show Uint8List;
 import 'package:flat_buffers/flat_buffers.dart' as fb;
 
 
-class Abc {
+enum Abc {
+  $void(0),
+  where(1),
+  stackalloc(2);
+
   final int value;
-  const Abc._(this.value);
+  const Abc(this.value);
 
   factory Abc.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum Abc');
+    switch (value) {
+      case 0: return Abc.$void;
+      case 1: return Abc.where;
+      case 2: return Abc.stackalloc;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static Abc? _createOrNull(int? value) => 
+  static Abc? _createOrNull(int? value) =>
       value == null ? null : Abc.fromValue(value);
 
   static const int minValue = 0;
   static const int maxValue = 2;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const Abc $void = Abc._(0);
-  static const Abc where = Abc._(1);
-  static const Abc stackalloc = Abc._(2);
-  static const Map<int, Abc> values = {
-    0: $void,
-    1: where,
-    2: stackalloc};
-
   static const fb.Reader<Abc> reader = _AbcReader();
-
-  @override
-  String toString() {
-    return 'Abc{value: $value}';
-  }
 }
 
 class _AbcReader extends fb.Reader<Abc> {
@@ -53,35 +43,25 @@ class _AbcReader extends fb.Reader<Abc> {
       Abc.fromValue(const fb.Int32Reader().read(bc, offset));
 }
 
-class Public {
+enum Public {
+  NONE(0);
+
   final int value;
-  const Public._(this.value);
+  const Public(this.value);
 
   factory Public.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum Public');
+    switch (value) {
+      case 0: return Public.NONE;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static Public? _createOrNull(int? value) => 
+  static Public? _createOrNull(int? value) =>
       value == null ? null : Public.fromValue(value);
 
   static const int minValue = 0;
   static const int maxValue = 0;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const Public NONE = Public._(0);
-  static const Map<int, Public> values = {
-    0: NONE};
-
   static const fb.Reader<Public> reader = _PublicReader();
-
-  @override
-  String toString() {
-    return 'Public{value: $value}';
-  }
 }
 
 class _PublicReader extends fb.Reader<Public> {
@@ -95,39 +75,29 @@ class _PublicReader extends fb.Reader<Public> {
       Public.fromValue(const fb.Int32Reader().read(bc, offset));
 }
 
-class KeywordsInUnionTypeId {
+enum KeywordsInUnionTypeId {
+  NONE(0),
+  $static(1),
+  internal(2);
+
   final int value;
-  const KeywordsInUnionTypeId._(this.value);
+  const KeywordsInUnionTypeId(this.value);
 
   factory KeywordsInUnionTypeId.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum KeywordsInUnionTypeId');
+    switch (value) {
+      case 0: return KeywordsInUnionTypeId.NONE;
+      case 1: return KeywordsInUnionTypeId.$static;
+      case 2: return KeywordsInUnionTypeId.internal;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static KeywordsInUnionTypeId? _createOrNull(int? value) => 
+  static KeywordsInUnionTypeId? _createOrNull(int? value) =>
       value == null ? null : KeywordsInUnionTypeId.fromValue(value);
 
   static const int minValue = 0;
   static const int maxValue = 2;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const KeywordsInUnionTypeId NONE = KeywordsInUnionTypeId._(0);
-  static const KeywordsInUnionTypeId $static = KeywordsInUnionTypeId._(1);
-  static const KeywordsInUnionTypeId internal = KeywordsInUnionTypeId._(2);
-  static const Map<int, KeywordsInUnionTypeId> values = {
-    0: NONE,
-    1: $static,
-    2: internal};
-
   static const fb.Reader<KeywordsInUnionTypeId> reader = _KeywordsInUnionTypeIdReader();
-
-  @override
-  String toString() {
-    return 'KeywordsInUnionTypeId{value: $value}';
-  }
 }
 
 class _KeywordsInUnionTypeIdReader extends fb.Reader<KeywordsInUnionTypeId> {

dart/test/monster_test_my_game.example2_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 library my_game.example2;
 

dart/test/monster_test_my_game.example_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 library my_game.example;
 
@@ -12,46 +12,29 @@ import './monster_test_my_game.example2_generated.dart' as my_game_example2;
 import './include_test1_generated.dart';
 
 ///  Composite components of Monster color.
-class Color {
+enum Color {
+  Red(1),
+  Green(2),
+  Blue(8),
+  _default(0);
+
   final int value;
-  const Color._(this.value);
+  const Color(this.value);
 
   factory Color.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-      if (value == 0) {
-        return Color._(0);
-      } else {
-        throw StateError('Invalid value $value for bit flag enum Color');
-      }
+    switch (value) {
+      case 1: return Color.Red;
+      case 2: return Color.Green;
+      case 8: return Color.Blue;
+      case 0: return Color._default;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static Color? _createOrNull(int? value) => 
+  static Color? _createOrNull(int? value) =>
       value == null ? null : Color.fromValue(value);
 
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const Color Red = Color._(1);
-
-  ///  \brief color Green
-  ///  Green is bit_flag with value (1u << 1)
-  static const Color Green = Color._(2);
-
-  ///  \brief color Blue (1u << 3)
-  static const Color Blue = Color._(8);
-  static const Map<int, Color> values = {
-    1: Red,
-    2: Green,
-    8: Blue};
-
   static const fb.Reader<Color> reader = _ColorReader();
-
-  @override
-  String toString() {
-    return 'Color{value: $value}';
-  }
 }
 
 class _ColorReader extends fb.Reader<Color> {
@@ -65,41 +48,31 @@ class _ColorReader extends fb.Reader<Color> {
       Color.fromValue(const fb.Uint8Reader().read(bc, offset));
 }
 
-class Race {
+enum Race {
+  None(-1),
+  Human(0),
+  Dwarf(1),
+  Elf(2);
+
   final int value;
-  const Race._(this.value);
+  const Race(this.value);
 
   factory Race.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum Race');
+    switch (value) {
+      case -1: return Race.None;
+      case 0: return Race.Human;
+      case 1: return Race.Dwarf;
+      case 2: return Race.Elf;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static Race? _createOrNull(int? value) => 
+  static Race? _createOrNull(int? value) =>
       value == null ? null : Race.fromValue(value);
 
   static const int minValue = -1;
   static const int maxValue = 2;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const Race None = Race._(-1);
-  static const Race Human = Race._(0);
-  static const Race Dwarf = Race._(1);
-  static const Race Elf = Race._(2);
-  static const Map<int, Race> values = {
-    -1: None,
-    0: Human,
-    1: Dwarf,
-    2: Elf};
-
   static const fb.Reader<Race> reader = _RaceReader();
-
-  @override
-  String toString() {
-    return 'Race{value: $value}';
-  }
 }
 
 class _RaceReader extends fb.Reader<Race> {
@@ -113,41 +86,29 @@ class _RaceReader extends fb.Reader<Race> {
       Race.fromValue(const fb.Int8Reader().read(bc, offset));
 }
 
-class LongEnum {
+enum LongEnum {
+  LongOne(2),
+  LongTwo(4),
+  LongBig(1099511627776),
+  _default(0);
+
   final int value;
-  const LongEnum._(this.value);
+  const LongEnum(this.value);
 
   factory LongEnum.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-      if (value == 0) {
-        return LongEnum._(0);
-      } else {
-        throw StateError('Invalid value $value for bit flag enum LongEnum');
-      }
+    switch (value) {
+      case 2: return LongEnum.LongOne;
+      case 4: return LongEnum.LongTwo;
+      case 1099511627776: return LongEnum.LongBig;
+      case 0: return LongEnum._default;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static LongEnum? _createOrNull(int? value) => 
+  static LongEnum? _createOrNull(int? value) =>
       value == null ? null : LongEnum.fromValue(value);
 
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const LongEnum LongOne = LongEnum._(2);
-  static const LongEnum LongTwo = LongEnum._(4);
-  static const LongEnum LongBig = LongEnum._(1099511627776);
-  static const Map<int, LongEnum> values = {
-    2: LongOne,
-    4: LongTwo,
-    1099511627776: LongBig};
-
   static const fb.Reader<LongEnum> reader = _LongEnumReader();
-
-  @override
-  String toString() {
-    return 'LongEnum{value: $value}';
-  }
 }
 
 class _LongEnumReader extends fb.Reader<LongEnum> {
@@ -161,41 +122,31 @@ class _LongEnumReader extends fb.Reader<LongEnum> {
       LongEnum.fromValue(const fb.Uint64Reader().read(bc, offset));
 }
 
-class AnyTypeId {
+enum AnyTypeId {
+  NONE(0),
+  Monster(1),
+  TestSimpleTableWithEnum(2),
+  MyGame_Example2_Monster(3);
+
   final int value;
-  const AnyTypeId._(this.value);
+  const AnyTypeId(this.value);
 
   factory AnyTypeId.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum AnyTypeId');
+    switch (value) {
+      case 0: return AnyTypeId.NONE;
+      case 1: return AnyTypeId.Monster;
+      case 2: return AnyTypeId.TestSimpleTableWithEnum;
+      case 3: return AnyTypeId.MyGame_Example2_Monster;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static AnyTypeId? _createOrNull(int? value) => 
+  static AnyTypeId? _createOrNull(int? value) =>
       value == null ? null : AnyTypeId.fromValue(value);
 
   static const int minValue = 0;
   static const int maxValue = 3;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const AnyTypeId NONE = AnyTypeId._(0);
-  static const AnyTypeId Monster = AnyTypeId._(1);
-  static const AnyTypeId TestSimpleTableWithEnum = AnyTypeId._(2);
-  static const AnyTypeId MyGame_Example2_Monster = AnyTypeId._(3);
-  static const Map<int, AnyTypeId> values = {
-    0: NONE,
-    1: Monster,
-    2: TestSimpleTableWithEnum,
-    3: MyGame_Example2_Monster};
-
   static const fb.Reader<AnyTypeId> reader = _AnyTypeIdReader();
-
-  @override
-  String toString() {
-    return 'AnyTypeId{value: $value}';
-  }
 }
 
 class _AnyTypeIdReader extends fb.Reader<AnyTypeId> {
@@ -209,41 +160,31 @@ class _AnyTypeIdReader extends fb.Reader<AnyTypeId> {
       AnyTypeId.fromValue(const fb.Uint8Reader().read(bc, offset));
 }
 
-class AnyUniqueAliasesTypeId {
+enum AnyUniqueAliasesTypeId {
+  NONE(0),
+  M(1),
+  TS(2),
+  M2(3);
+
   final int value;
-  const AnyUniqueAliasesTypeId._(this.value);
+  const AnyUniqueAliasesTypeId(this.value);
 
   factory AnyUniqueAliasesTypeId.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum AnyUniqueAliasesTypeId');
+    switch (value) {
+      case 0: return AnyUniqueAliasesTypeId.NONE;
+      case 1: return AnyUniqueAliasesTypeId.M;
+      case 2: return AnyUniqueAliasesTypeId.TS;
+      case 3: return AnyUniqueAliasesTypeId.M2;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static AnyUniqueAliasesTypeId? _createOrNull(int? value) => 
+  static AnyUniqueAliasesTypeId? _createOrNull(int? value) =>
       value == null ? null : AnyUniqueAliasesTypeId.fromValue(value);
 
   static const int minValue = 0;
   static const int maxValue = 3;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const AnyUniqueAliasesTypeId NONE = AnyUniqueAliasesTypeId._(0);
-  static const AnyUniqueAliasesTypeId M = AnyUniqueAliasesTypeId._(1);
-  static const AnyUniqueAliasesTypeId TS = AnyUniqueAliasesTypeId._(2);
-  static const AnyUniqueAliasesTypeId M2 = AnyUniqueAliasesTypeId._(3);
-  static const Map<int, AnyUniqueAliasesTypeId> values = {
-    0: NONE,
-    1: M,
-    2: TS,
-    3: M2};
-
   static const fb.Reader<AnyUniqueAliasesTypeId> reader = _AnyUniqueAliasesTypeIdReader();
-
-  @override
-  String toString() {
-    return 'AnyUniqueAliasesTypeId{value: $value}';
-  }
 }
 
 class _AnyUniqueAliasesTypeIdReader extends fb.Reader<AnyUniqueAliasesTypeId> {
@@ -257,41 +198,31 @@ class _AnyUniqueAliasesTypeIdReader extends fb.Reader<AnyUniqueAliasesTypeId> {
       AnyUniqueAliasesTypeId.fromValue(const fb.Uint8Reader().read(bc, offset));
 }
 
-class AnyAmbiguousAliasesTypeId {
+enum AnyAmbiguousAliasesTypeId {
+  NONE(0),
+  M1(1),
+  M2(2),
+  M3(3);
+
   final int value;
-  const AnyAmbiguousAliasesTypeId._(this.value);
+  const AnyAmbiguousAliasesTypeId(this.value);
 
   factory AnyAmbiguousAliasesTypeId.fromValue(int value) {
-    final result = values[value];
-    if (result == null) {
-        throw StateError('Invalid value $value for bit flag enum AnyAmbiguousAliasesTypeId');
+    switch (value) {
+      case 0: return AnyAmbiguousAliasesTypeId.NONE;
+      case 1: return AnyAmbiguousAliasesTypeId.M1;
+      case 2: return AnyAmbiguousAliasesTypeId.M2;
+      case 3: return AnyAmbiguousAliasesTypeId.M3;
+      default: throw StateError('Invalid value $value for bit flag enum');
     }
-    return result;
   }
 
-  static AnyAmbiguousAliasesTypeId? _createOrNull(int? value) => 
+  static AnyAmbiguousAliasesTypeId? _createOrNull(int? value) =>
       value == null ? null : AnyAmbiguousAliasesTypeId.fromValue(value);
 
   static const int minValue = 0;
   static const int maxValue = 3;
-  static bool containsValue(int value) => values.containsKey(value);
-
-  static const AnyAmbiguousAliasesTypeId NONE = AnyAmbiguousAliasesTypeId._(0);
-  static const AnyAmbiguousAliasesTypeId M1 = AnyAmbiguousAliasesTypeId._(1);
-  static const AnyAmbiguousAliasesTypeId M2 = AnyAmbiguousAliasesTypeId._(2);
-  static const AnyAmbiguousAliasesTypeId M3 = AnyAmbiguousAliasesTypeId._(3);
-  static const Map<int, AnyAmbiguousAliasesTypeId> values = {
-    0: NONE,
-    1: M1,
-    2: M2,
-    3: M3};
-
   static const fb.Reader<AnyAmbiguousAliasesTypeId> reader = _AnyAmbiguousAliasesTypeIdReader();
-
-  @override
-  String toString() {
-    return 'AnyAmbiguousAliasesTypeId{value: $value}';
-  }
 }
 
 class _AnyAmbiguousAliasesTypeIdReader extends fb.Reader<AnyAmbiguousAliasesTypeId> {
@@ -1461,7 +1392,7 @@ class MonsterT implements fb.Packable {
       this.testrequirednestedflatbuffer,
       this.scalarKeySortedTables,
       this.nativeInline,
-      this.longEnumNonEnumDefault = const LongEnum._(0),
+      this.longEnumNonEnumDefault = LongEnum._default,
       this.longEnumNormalDefault = LongEnum.LongOne,
       this.nanDefault = double.nan,
       this.infDefault = double.infinity,

dart/test/monster_test_my_game_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 library my_game;
 

docs/source/Compiler.md

@@ -96,10 +96,10 @@ Additional options:
 
 -   `--scoped-enums` : Use C++11 style scoped and strongly typed enums in
     generated C++. This also implies `--no-prefix`.
-    
+
 -   `--no-emit-min-max-enum-values` : Disable generation of MIN and MAX
     enumerated values for scoped enums and prefixed enums.
-    
+
 -   `--gen-includes` : (deprecated), this is the default behavior.
                        If the original behavior is required (no include
 	                   statements) use `--no-includes.`
@@ -238,5 +238,44 @@ Additional options:
 
 -   `--python-typing` : Generate Python type annotations
 
+Additional gRPC options:
+
+-   `--grpc-filename-suffix`: `[C++]` An optional suffix for the generated
+    files' names. For example, compiling gRPC for C++ with
+    `--grpc-filename-suffix=.fbs` will generate `{name}.fbs.h` and
+    `{name}.fbs.cc` files.
+
+-   `--grpc-additional-header`: `[C++]` Additional headers to include in the
+    generated files.
+
+-   `--grpc-search-path`: `[C++]` An optional prefix for the gRPC runtime path.
+    For example, compiling gRPC for C++ with `--grpc-search-path=some/path` will
+    generate the following includes:
+
+    ```cpp
+      #include "some/path/grpcpp/impl/codegen/async_stream.h"
+      #include "some/path/grpcpp/impl/codegen/async_unary_call.h"
+      #include "some/path/grpcpp/impl/codegen/method_handler.h"
+      ...
+    ```
+
+-   `--grpc-use-system-headers`: `[C++]` Whether to generate `#include <header>`
+    instead of `#include "header.h"` for all headers when compiling gRPC for
+    C++. For example, compiling gRPC for C++ with `--grpc-use-system-headers`
+    will generate the following includes:
+
+    ```cpp
+      #include <some/path/grpcpp/impl/codegen/async_stream.h>
+      #include <some/path/grpcpp/impl/codegen/async_unary_call.h>
+      #include <some/path/grpcpp/impl/codegen/method_handler.h>
+      ...
+    ```
+
+    NOTE: This option can be negated with `--no-grpc-use-system-headers`.
+
+-   `--grpc-python-typed-handlers`: `[Python]` Whether to generate the typed
+    handlers that use the generated Python classes instead of raw bytes for
+    requests/responses.
+
 NOTE: short-form options for generators are deprecated, use the long form
 whenever possible.

goldens/cpp/basic_generated.h

@@ -9,8 +9,8 @@
 // Ensure the included flatbuffers.h is the same version as when this file was
 // generated, otherwise it may not be compatible.
 static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
-              FLATBUFFERS_VERSION_MINOR == 3 &&
-              FLATBUFFERS_VERSION_REVISION == 7,
+              FLATBUFFERS_VERSION_MINOR == 12 &&
+              FLATBUFFERS_VERSION_REVISION == 23,
              "Non-compatible flatbuffers version included");
 
 namespace flatbuffers {

goldens/csharp/flatbuffers/goldens/Galaxy.cs

@@ -13,7 +13,7 @@ public struct Galaxy : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_24_12_23(); }
   public static Galaxy GetRootAsGalaxy(ByteBuffer _bb) { return GetRootAsGalaxy(_bb, new Galaxy()); }
   public static Galaxy GetRootAsGalaxy(ByteBuffer _bb, Galaxy obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }

goldens/csharp/flatbuffers/goldens/Universe.cs

@@ -13,7 +13,7 @@ public struct Universe : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_24_12_23(); }
   public static Universe GetRootAsUniverse(ByteBuffer _bb) { return GetRootAsUniverse(_bb, new Universe()); }
   public static Universe GetRootAsUniverse(ByteBuffer _bb, Universe obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
   public static bool VerifyUniverse(ByteBuffer _bb) {Google.FlatBuffers.Verifier verifier = new Google.FlatBuffers.Verifier(_bb); return verifier.VerifyBuffer("", false, UniverseVerify.Verify); }

goldens/dart/basic_flatbuffers.goldens_generated.dart

@@ -1,5 +1,5 @@
 // automatically generated by the FlatBuffers compiler, do not modify
-// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable
+// ignore_for_file: unused_import, unused_field, unused_element, unused_local_variable, constant_identifier_names
 
 library flatbuffers.goldens;
 

goldens/java/flatbuffers/goldens/Galaxy.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Galaxy extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Galaxy getRootAsGalaxy(ByteBuffer _bb) { return getRootAsGalaxy(_bb, new Galaxy()); }
   public static Galaxy getRootAsGalaxy(ByteBuffer _bb, Galaxy obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

goldens/java/flatbuffers/goldens/Universe.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Universe extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Universe getRootAsUniverse(ByteBuffer _bb) { return getRootAsUniverse(_bb, new Universe()); }
   public static Universe getRootAsUniverse(ByteBuffer _bb, Universe obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

goldens/kotlin/flatbuffers/goldens/Galaxy.kt

@@ -34,7 +34,7 @@ class Galaxy : Table() {
             return if(o != 0) bb.getLong(o + bb_pos) else 0L
         }
     companion object {
-        fun validateVersion() = Constants.FLATBUFFERS_24_3_7()
+        fun validateVersion() = Constants.FLATBUFFERS_24_12_23()
         fun getRootAsGalaxy(_bb: ByteBuffer): Galaxy = getRootAsGalaxy(_bb, Galaxy())
         fun getRootAsGalaxy(_bb: ByteBuffer, obj: Galaxy): Galaxy {
             _bb.order(ByteOrder.LITTLE_ENDIAN)

goldens/kotlin/flatbuffers/goldens/Universe.kt

@@ -47,7 +47,7 @@ class Universe : Table() {
             val o = __offset(6); return if (o != 0) __vector_len(o) else 0
         }
     companion object {
-        fun validateVersion() = Constants.FLATBUFFERS_24_3_7()
+        fun validateVersion() = Constants.FLATBUFFERS_24_12_23()
         fun getRootAsUniverse(_bb: ByteBuffer): Universe = getRootAsUniverse(_bb, Universe())
         fun getRootAsUniverse(_bb: ByteBuffer, obj: Universe): Universe {
             _bb.order(ByteOrder.LITTLE_ENDIAN)

goldens/swift/basic_generated.swift

@@ -6,7 +6,7 @@ import FlatBuffers
 
 public struct flatbuffers_goldens_Galaxy: FlatBufferObject, Verifiable {
 
-  static func validateVersion() { FlatBuffersVersion_24_3_7() }
+  static func validateVersion() { FlatBuffersVersion_24_12_23() }
   public var __buffer: ByteBuffer! { return _accessor.bb }
   private var _accessor: Table
 
@@ -41,7 +41,7 @@ public struct flatbuffers_goldens_Galaxy: FlatBufferObject, Verifiable {
 
 public struct flatbuffers_goldens_Universe: FlatBufferObject, Verifiable {
 
-  static func validateVersion() { FlatBuffersVersion_24_3_7() }
+  static func validateVersion() { FlatBuffersVersion_24_12_23() }
   public var __buffer: ByteBuffer! { return _accessor.bb }
   private var _accessor: Table
 

grpc/boringssl.patch

@@ -11,3 +11,31 @@ index 1645a264a..12f8ca999 100644
  add_executable(
    bssl
  
+diff --git a/src/crypto/x509/t_x509.c b/src/crypto/x509/t_x509.c
+index 7c32a8798..6e50d040e 100644
+--- a/src/crypto/x509/t_x509.c
++++ b/src/crypto/x509/t_x509.c
+@@ -318,9 +318,7 @@ int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
+ int X509_NAME_print(BIO *bp, const X509_NAME *name, int obase)
+ {
+     char *s, *c, *b;
+-    int ret = 0, l, i;
+-
+-    l = 80 - 2 - obase;
++    int ret = 0, i;
+
+     b = X509_NAME_oneline(name, NULL, 0);
+     if (!b)
+@@ -347,12 +345,10 @@ int X509_NAME_print(BIO *bp, const X509_NAME *name, int obase)
+                 if (BIO_write(bp, ", ", 2) != 2)
+                     goto err;
+             }
+-            l--;
+         }
+         if (*s == '\0')
+             break;
+         s++;
+-        l--;
+     }
+
+     ret = 1;

grpc/build_grpc_with_cxx14.patch

@@ -2,9 +2,12 @@ diff --git a/bazel/copts.bzl b/bazel/copts.bzl
 index 10be944f25..879518b92f 100644
 --- a/bazel/copts.bzl
 +++ b/bazel/copts.bzl
-@@ -59,4 +59,4 @@ GRPC_LLVM_WARNING_FLAGS = [
+@@ -59,4 +59,7 @@ GRPC_LLVM_WARNING_FLAGS = [
  GRPC_DEFAULT_COPTS = select({
      "//:use_strict_warning": GRPC_LLVM_WARNING_FLAGS + ["-DUSE_STRICT_WARNING=1"],
      "//conditions:default": [],
 -})
-+}) + ["-std=c++14"]
++}) + select({
++        "@bazel_tools//src/conditions:windows": ["/std:c++14"],
++        "//conditions:default": ["-std=c++14"],
++})

grpc/examples/python/greeter/greeter_grpc.fb.py

@@ -0,0 +1,54 @@
+# Generated by the gRPC FlatBuffers compiler. DO NOT EDIT!
+
+import flatbuffers
+import grpc
+
+from models.HelloReply import HelloReply
+from models.HelloRequest import HelloRequest
+
+
+class GreeterStub(object):
+  '''Interface exported by the server.'''
+
+  def __init__(self, channel):
+    '''Constructor.
+
+    Args:
+      channel: A grpc.Channel.
+    '''
+
+    self.SayHello = channel.unary_unary(
+      method='/models.Greeter/SayHello')
+
+    self.SayManyHellos = channel.unary_stream(
+      method='/models.Greeter/SayManyHellos')
+
+
+class GreeterServicer(object):
+  '''Interface exported by the server.'''
+
+  def SayHello(self, request, context):
+    context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+    context.set_details('Method not implemented!')
+    raise NotImplementedError('Method not implemented!')
+
+  def SayManyHellos(self, request, context):
+    context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+    context.set_details('Method not implemented!')
+    raise NotImplementedError('Method not implemented!')
+
+
+def add_GreeterServicer_to_server(servicer, server):
+  rpc_method_handlers = {
+    'SayHello': grpc.unary_unary_rpc_method_handler(
+      servicer.SayHello),
+    'SayManyHellos': grpc.unary_stream_rpc_method_handler(
+      servicer.SayManyHellos),
+  }
+
+  generic_handler = grpc.method_handlers_generic_handler(
+    'models.Greeter', rpc_method_handlers)
+
+  server.add_generic_rpc_handlers((generic_handler,))
+
+

grpc/examples/swift/Greeter/Sources/Model/greeter_generated.swift

@@ -6,7 +6,7 @@ import FlatBuffers
 
 public struct models_HelloReply: FlatBufferObject, Verifiable {
 
-  static func validateVersion() { FlatBuffersVersion_24_3_7() }
+  static func validateVersion() { FlatBuffersVersion_24_12_23() }
   public var __buffer: ByteBuffer! { return _accessor.bb }
   private var _accessor: Table
 
@@ -53,7 +53,7 @@ extension models_HelloReply: Encodable {
 
 public struct models_HelloRequest: FlatBufferObject, Verifiable {
 
-  static func validateVersion() { FlatBuffersVersion_24_3_7() }
+  static func validateVersion() { FlatBuffersVersion_24_12_23() }
   public var __buffer: ByteBuffer! { return _accessor.bb }
   private var _accessor: Table
 

grpc/examples/swift/Greeter/Sources/client/main.swift

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 Google Inc. All rights reserved.
+ * Copyright 2024 Google Inc. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

grpc/examples/swift/Greeter/Sources/server/main.swift

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 Google Inc. All rights reserved.
+ * Copyright 2024 Google Inc. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

grpc/flatbuffers-java-grpc/pom.xml

@@ -24,7 +24,7 @@
         </developer>
     </developers>
     <properties>
-        <gRPC.version>1.36.0</gRPC.version>
+        <gRPC.version>1.67.1</gRPC.version>
     </properties>
     <dependencies>
         <dependency>

grpc/src/compiler/BUILD.bazel

@@ -95,6 +95,8 @@ cc_library(
     visibility = ["//visibility:private"],
     deps = [
         "//:flatbuffers",
+        "//include/codegen:namer",
+        "//include/codegen:python",
     ],
 )
 

grpc/src/compiler/cpp_generator.cc

@@ -8,8 +8,6 @@
 namespace grpc_cpp_generator {
 namespace {
 
-static grpc::string service_header_ext() { return ".grpc.fb.h"; }
-
 template<class T>
 static grpc::string as_string(T x) {
   std::ostringstream out;
@@ -1137,7 +1135,7 @@ grpc::string GetSourcePrologue(grpc_generator::File *file,
     vars["filename"] = file->filename();
     vars["filename_base"] = file->filename_without_ext();
     vars["message_header_ext"] = params.message_header_extension;
-    vars["service_header_ext"] = service_header_ext();
+    vars["service_header_ext"] = params.service_header_extension;
 
     printer->Print(vars, "// Generated by the gRPC C++ plugin.\n");
     printer->Print(vars,
@@ -1557,7 +1555,7 @@ grpc::string GetMockPrologue(grpc_generator::File *file,
     vars["filename"] = file->filename();
     vars["filename_base"] = file->filename_without_ext();
     vars["message_header_ext"] = params.message_header_extension;
-    vars["service_header_ext"] = service_header_ext();
+    vars["service_header_ext"] = params.service_header_extension;
 
     printer->Print(vars, "// Generated by the gRPC C++ plugin.\n");
     printer->Print(vars,

grpc/src/compiler/cpp_generator.h

@@ -35,6 +35,8 @@ struct Parameters {
   bool generate_mock_code;
   // By default, use "_generated.h"
   std::string message_header_extension;
+  // Default: ".grpc.fb.h"
+  std::string service_header_extension;
 };
 
 // Return the prologue of the generated header file.

grpc/src/compiler/python_generator.cc

@@ -16,136 +16,365 @@
  *
  */
 
-#include <map>
-#include <sstream>
-
-#include "flatbuffers/util.h"
 #include "src/compiler/python_generator.h"
 
-namespace grpc_python_generator {
+#include <algorithm>
+#include <cstddef>
+#include <map>
+#include <set>
+#include <sstream>
+#include <string>
+
+#include "codegen/idl_namer.h"
+#include "codegen/namer.h"
+#include "codegen/python.h"
+#include "flatbuffers/idl.h"
+#include "flatbuffers/util.h"
+
+namespace flatbuffers {
+namespace python {
+namespace grpc {
 namespace {
-
-static grpc::string GenerateMethodType(const grpc_generator::Method *method) {
-
-  if (method->NoStreaming())
-    return "unary_unary";
-
-  if (method->ServerStreaming())
-    return "unary_stream";
-
-  if (method->ClientStreaming())
-    return "stream_unary";
-
-  return "stream_stream";
+bool ClientStreaming(const RPCCall *method) {
+  const Value *val = method->attributes.Lookup("streaming");
+  return val != nullptr && (val->constant == "client" || val->constant == "bidi");
 }
 
-grpc::string GenerateMethodInput(const grpc_generator::Method *method) {
-
-  if (method->NoStreaming() || method->ServerStreaming())
-    return "self, request, context";
-
-  return "self, request_iterator, context";
+bool ServerStreaming(const RPCCall *method) {
+  const Value *val = method->attributes.Lookup("streaming");
+  return val != nullptr && (val->constant == "server" || val->constant == "bidi");
 }
 
-void GenerateStub(const grpc_generator::Service *service,
-                  grpc_generator::Printer *printer,
-                  std::map<grpc::string, grpc::string> *dictonary) {
-  auto vars = *dictonary;
-  printer->Print(vars, "class $ServiceName$Stub(object):\n");
-  printer->Indent();
-  printer->Print("\"\"\" Interface exported by the server. \"\"\"");
-  printer->Print("\n\n");
-  printer->Print("def __init__(self, channel):\n");
-  printer->Indent();
-  printer->Print("\"\"\" Constructor. \n\n");
-  printer->Print("Args: \n");
-  printer->Print("channel: A grpc.Channel. \n");
-  printer->Print("\"\"\"\n\n");
-
-  for (int j = 0; j < service->method_count(); j++) {
-    auto method = service->method(j);
-    vars["MethodName"] = method->name();
-    vars["MethodType"] = GenerateMethodType(&*method);
-    printer->Print(vars, "self.$MethodName$ = channel.$MethodType$(\n");
-    printer->Indent();
-    printer->Print(vars, "\"/$PATH$$ServiceName$/$MethodName$\"\n");
-    printer->Print(")\n");
-    printer->Outdent();
-    printer->Print("\n");
+void FormatImports(std::stringstream &ss, const Imports &imports) {
+  std::set<std::string> modules;
+  std::map<std::string, std::set<std::string>> names_by_module;
+  for (const Import &import : imports.imports) {
+    if (import.IsLocal()) continue;  // skip all local imports
+    if (import.name == "") {
+      modules.insert(import.module);
+    } else {
+      names_by_module[import.module].insert(import.name);
+    }
   }
-  printer->Outdent();
-  printer->Outdent();
-  printer->Print("\n");
-}
 
-void GenerateServicer(const grpc_generator::Service *service,
-                      grpc_generator::Printer *printer,
-                      std::map<grpc::string, grpc::string> *dictonary) {
-  auto vars = *dictonary;
-  printer->Print(vars, "class $ServiceName$Servicer(object):\n");
-  printer->Indent();
-  printer->Print("\"\"\" Interface exported by the server. \"\"\"");
-  printer->Print("\n\n");
-
-  for (int j = 0; j < service->method_count(); j++) {
-    auto method = service->method(j);
-    vars["MethodName"] = method->name();
-    vars["MethodInput"] = GenerateMethodInput(&*method);
-    printer->Print(vars, "def $MethodName$($MethodInput$):\n");
-    printer->Indent();
-    printer->Print("context.set_code(grpc.StatusCode.UNIMPLEMENTED)\n");
-    printer->Print("context.set_details('Method not implemented!')\n");
-    printer->Print("raise NotImplementedError('Method not implemented!')\n");
-    printer->Outdent();
-    printer->Print("\n\n");
+  for (const std::string &module : modules) {
+    ss << "import " << module << '\n';
   }
-  printer->Outdent();
-  printer->Print("\n");
-
-}
-
-void GenerateRegister(const grpc_generator::Service *service,
-                      grpc_generator::Printer *printer,
-                      std::map<grpc::string, grpc::string> *dictonary) {
-  auto vars = *dictonary;
-  printer->Print(vars, "def add_$ServiceName$Servicer_to_server(servicer, server):\n");
-  printer->Indent();
-  printer->Print("rpc_method_handlers = {\n");
-  printer->Indent();
-  for (int j = 0; j < service->method_count(); j++) {
-    auto method = service->method(j);
-    vars["MethodName"] = method->name();
-    vars["MethodType"] = GenerateMethodType(&*method);
-    printer->Print(vars, "'$MethodName$': grpc.$MethodType$_rpc_method_handler(\n");
-    printer->Indent();
-    printer->Print(vars, "servicer.$MethodName$\n");
-    printer->Outdent();
-    printer->Print("),\n");
+  ss << '\n';
+  for (const auto &import : names_by_module) {
+    ss << "from " << import.first << " import ";
+    size_t i = 0;
+    for (const std::string &name : import.second) {
+      if (i > 0) ss << ", ";
+      ss << name;
+      ++i;
+    }
+    ss << '\n';
   }
-  printer->Outdent();
-  printer->Print("}\n");
-  printer->Print(vars, "generic_handler = grpc.method_handlers_generic_handler(\n");
-  printer->Indent();
-  printer->Print(vars, "'$PATH$$ServiceName$', rpc_method_handlers)\n");
-  printer->Outdent();
-  printer->Print("server.add_generic_rpc_handlers((generic_handler,))");
-  printer->Outdent();
-  printer->Print("\n");
-}
-} // namespace
-
-grpc::string Generate(grpc_generator::File *file,
-                      const grpc_generator::Service *service) {
-  grpc::string output;
-  std::map<grpc::string, grpc::string> vars;
-  vars["PATH"] = file->package();
-  if (!file->package().empty()) { vars["PATH"].append("."); }
-  vars["ServiceName"] = service->name();
-  auto printer = file->CreatePrinter(&output);
-  GenerateStub(service, &*printer, &vars);
-  GenerateServicer(service, &*printer, &vars);
-  GenerateRegister(service, &*printer, &vars);
-  return output;
+  ss << "\n\n";
 }
 
-}  // namespace grpc_python_generator
+bool SaveStub(const std::string &filename, const Imports &imports,
+              const std::string &content) {
+  std::stringstream ss;
+  ss << "# Generated by the gRPC FlatBuffers compiler. DO NOT EDIT!\n"
+     << '\n'
+     << "from __future__ import annotations\n"
+     << '\n';
+  FormatImports(ss, imports);
+  ss << content << '\n';
+
+  EnsureDirExists(StripFileName(filename));
+  return flatbuffers::SaveFile(filename.c_str(), ss.str(), false);
+}
+
+bool SaveService(const std::string &filename, const Imports &imports,
+                 const std::string &content) {
+  std::stringstream ss;
+  ss << "# Generated by the gRPC FlatBuffers compiler. DO NOT EDIT!\n" << '\n';
+  FormatImports(ss, imports);
+  ss << content << '\n';
+
+  EnsureDirExists(StripFileName(filename));
+  return flatbuffers::SaveFile(filename.c_str(), ss.str(), false);
+}
+
+class BaseGenerator {
+ protected:
+  BaseGenerator(const Parser &parser, const Namer::Config &config,
+                const std::string &path, const Version &version)
+      : parser_{parser},
+        namer_{WithFlagOptions(config, parser.opts, path), Keywords(version)},
+        version_{version} {}
+
+ protected:
+  std::string ModuleForFile(const std::string &file) const {
+    std::string module = parser_.opts.include_prefix + StripExtension(file) +
+                         parser_.opts.filename_suffix;
+    std::replace(module.begin(), module.end(), '/', '.');
+    return module;
+  }
+
+  template <typename T>
+  std::string ModuleFor(const T *def) const {
+    if (parser_.opts.one_file) return ModuleForFile(def->file);
+    return namer_.NamespacedType(*def);
+  }
+
+  const Parser &parser_;
+  const IdlNamer namer_;
+  const Version version_;
+};
+
+class StubGenerator : public BaseGenerator {
+ public:
+  StubGenerator(const Parser &parser, const std::string &path,
+                const Version &version)
+      : BaseGenerator(parser, kStubConfig, path, version) {}
+
+  bool Generate() {
+    Imports imports;
+    std::stringstream stub;
+    for (const ServiceDef *service : parser_.services_.vec) {
+      Generate(stub, service, &imports);
+    }
+
+    std::string filename =
+        namer_.config_.output_path +
+        StripPath(StripExtension(parser_.file_being_parsed_)) + "_grpc" +
+        parser_.opts.grpc_filename_suffix + namer_.config_.filename_extension;
+
+    return SaveStub(filename, imports, stub.str());
+  }
+
+ private:
+  void Generate(std::stringstream &ss, const ServiceDef *service,
+                Imports *imports) {
+    imports->Import("grpc");
+
+    ss << "class " << service->name << "Stub(object):\n"
+       << "  def __init__(self, channel: grpc.Channel) -> None: ...\n";
+
+    for (const RPCCall *method : service->calls.vec) {
+      std::string request = "bytes";
+      std::string response = "bytes";
+
+      if (parser_.opts.grpc_python_typed_handlers) {
+        request = namer_.Type(*method->request);
+        response = namer_.Type(*method->response);
+
+        imports->Import(ModuleFor(method->request), request);
+        imports->Import(ModuleFor(method->response), response);
+      }
+
+      ss << "  def " << method->name << "(self, ";
+      if (ClientStreaming(method)) {
+        imports->Import("typing");
+        ss << "request_iterator: typing.Iterator[" << request << "]";
+      } else {
+        ss << "request: " << request;
+      }
+      ss << ") -> ";
+      if (ServerStreaming(method)) {
+        imports->Import("typing");
+        ss << "typing.Iterator[" << response << "]";
+      } else {
+        ss << response;
+      }
+      ss << ": ...\n";
+    }
+
+    ss << "\n\n";
+    ss << "class " << service->name << "Servicer(object):\n";
+
+    for (const RPCCall *method : service->calls.vec) {
+      std::string request = "bytes";
+      std::string response = "bytes";
+
+      if (parser_.opts.grpc_python_typed_handlers) {
+        request = namer_.Type(*method->request);
+        response = namer_.Type(*method->response);
+
+        imports->Import(ModuleFor(method->request), request);
+        imports->Import(ModuleFor(method->response), response);
+      }
+
+      ss << "  def " << method->name << "(self, ";
+      if (ClientStreaming(method)) {
+        imports->Import("typing");
+        ss << "request_iterator: typing.Iterator[" << request << "]";
+      } else {
+        ss << "request: " << request;
+      }
+      ss << ", context: grpc.ServicerContext) -> ";
+      if (ServerStreaming(method)) {
+        imports->Import("typing");
+        ss << "typing.Iterator[" << response << "]";
+      } else {
+        ss << response;
+      }
+      ss << ": ...\n";
+    }
+
+    ss << '\n'
+       << '\n'
+       << "def add_" << service->name
+       << "Servicer_to_server(servicer: " << service->name
+       << "Servicer, server: grpc.Server) -> None: ...\n";
+  }
+};
+
+class ServiceGenerator : public BaseGenerator {
+ public:
+  ServiceGenerator(const Parser &parser, const std::string &path,
+                   const Version &version)
+      : BaseGenerator(parser, kConfig, path, version) {}
+
+  bool Generate() {
+    Imports imports;
+    std::stringstream ss;
+
+    imports.Import("flatbuffers");
+
+    if (parser_.opts.grpc_python_typed_handlers) {
+      ss << "def _serialize_to_bytes(table):\n"
+         << "  buf = table._tab.Bytes\n"
+         << "  n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, 0)\n"
+         << "  if table._tab.Pos != n:\n"
+         << "    raise ValueError('must be a top-level table')\n"
+         << "  return bytes(buf)\n"
+         << '\n'
+         << '\n';
+    }
+
+    for (const ServiceDef *service : parser_.services_.vec) {
+      GenerateStub(ss, service, &imports);
+      GenerateServicer(ss, service, &imports);
+      GenerateRegister(ss, service, &imports);
+    }
+
+    std::string filename =
+        namer_.config_.output_path +
+        StripPath(StripExtension(parser_.file_being_parsed_)) + "_grpc" +
+        parser_.opts.grpc_filename_suffix + namer_.config_.filename_extension;
+
+    return SaveService(filename, imports, ss.str());
+  }
+
+ private:
+  void GenerateStub(std::stringstream &ss, const ServiceDef *service,
+                    Imports *imports) {
+    ss << "class " << service->name << "Stub";
+    if (version_.major != 3) ss << "(object)";
+    ss << ":\n"
+       << "  '''Interface exported by the server.'''\n"
+       << '\n'
+       << "  def __init__(self, channel):\n"
+       << "    '''Constructor.\n"
+       << '\n'
+       << "    Args:\n"
+       << "      channel: A grpc.Channel.\n"
+       << "    '''\n"
+       << '\n';
+
+    for (const RPCCall *method : service->calls.vec) {
+      std::string response = namer_.Type(*method->response);
+
+      imports->Import(ModuleFor(method->response), response);
+
+      ss << "    self." << method->name << " = channel."
+         << (ClientStreaming(method) ? "stream" : "unary") << "_"
+         << (ServerStreaming(method) ? "stream" : "unary") << "(\n"
+         << "      method='/"
+         << service->defined_namespace->GetFullyQualifiedName(service->name)
+         << "/" << method->name << "'";
+
+      if (parser_.opts.grpc_python_typed_handlers) {
+        ss << ",\n"
+           << "      request_serializer=_serialize_to_bytes,\n"
+           << "      response_deserializer=" << response << ".GetRootAs";
+      }
+      ss << ")\n\n";
+    }
+
+    ss << '\n';
+  }
+
+  void GenerateServicer(std::stringstream &ss, const ServiceDef *service,
+                        Imports *imports) {
+    imports->Import("grpc");
+
+    ss << "class " << service->name << "Servicer";
+    if (version_.major != 3) ss << "(object)";
+    ss << ":\n"
+       << "  '''Interface exported by the server.'''\n"
+       << '\n';
+
+    for (const RPCCall *method : service->calls.vec) {
+      const std::string request_param =
+          ClientStreaming(method) ? "request_iterator" : "request";
+      ss << "  def " << method->name << "(self, " << request_param
+         << ", context):\n"
+         << "    context.set_code(grpc.StatusCode.UNIMPLEMENTED)\n"
+         << "    context.set_details('Method not implemented!')\n"
+         << "    raise NotImplementedError('Method not implemented!')\n"
+         << '\n';
+    }
+
+    ss << '\n';
+  }
+
+  void GenerateRegister(std::stringstream &ss, const ServiceDef *service,
+                        Imports *imports) {
+    imports->Import("grpc");
+
+    ss << "def add_" << service->name
+       << "Servicer_to_server(servicer, server):\n"
+       << "  rpc_method_handlers = {\n";
+
+    for (const RPCCall *method : service->calls.vec) {
+      std::string request = namer_.Type(*method->request);
+
+      imports->Import(ModuleFor(method->request), request);
+
+      ss << "    '" << method->name << "': grpc."
+         << (ClientStreaming(method) ? "stream" : "unary") << "_"
+         << (ServerStreaming(method) ? "stream" : "unary")
+         << "_rpc_method_handler(\n"
+         << "      servicer." << method->name;
+
+      if (parser_.opts.grpc_python_typed_handlers) {
+        ss << ",\n"
+           << "      request_deserializer=" << request << ".GetRootAs,\n"
+           << "      response_serializer=_serialize_to_bytes";
+      }
+      ss << "),\n";
+    }
+    ss << "  }\n"
+       << '\n'
+       << "  generic_handler = grpc.method_handlers_generic_handler(\n"
+       << "    '"
+       << service->defined_namespace->GetFullyQualifiedName(service->name)
+       << "', rpc_method_handlers)\n"
+       << '\n'
+       << "  server.add_generic_rpc_handlers((generic_handler,))\n"
+       << '\n';
+  }
+};
+}  // namespace
+
+bool Generate(const Parser &parser, const std::string &path,
+              const Version &version) {
+  ServiceGenerator generator{parser, path, version};
+  return generator.Generate();
+}
+
+bool GenerateStub(const Parser &parser, const std::string &path,
+                  const Version &version) {
+  StubGenerator generator{parser, path, version};
+  return generator.Generate();
+}
+
+}  // namespace grpc
+}  // namespace python
+}  // namespace flatbuffers

grpc/src/compiler/python_generator.h

@@ -19,14 +19,21 @@
 #ifndef GRPC_INTERNAL_COMPILER_PYTHON_GENERATOR_H
 #define GRPC_INTERNAL_COMPILER_PYTHON_GENERATOR_H
 
-#include <utility>
+#include <string>
 
-#include "src/compiler/schema_interface.h"
+#include "codegen/python.h"
+#include "flatbuffers/idl.h"
 
-namespace grpc_python_generator {
+namespace flatbuffers {
+namespace python {
+namespace grpc {
+bool Generate(const Parser &parser, const std::string &path,
+              const Version &version);
 
-grpc::string Generate(grpc_generator::File *file,
-                      const grpc_generator::Service *service);
-}  // namespace grpc_python_generator
+bool GenerateStub(const Parser &parser, const std::string &path,
+                  const Version &version);
+}  // namespace grpc
+}  // namespace python
+}  // namespace flatbuffers
 
 #endif  // GRPC_INTERNAL_COMPILER_PYTHON_GENERATOR_H

include/codegen/BUILD.bazel

@@ -0,0 +1,39 @@
+load("@rules_cc//cc:defs.bzl", "cc_library")
+
+package(
+    default_visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "distribution",
+    srcs = [
+        "BUILD.bazel",
+    ] + glob([
+        "*.cc",
+        "*.h",
+    ]),
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "namer",
+    hdrs = [
+        "idl_namer.h",
+        "namer.h",
+    ],
+    strip_include_prefix = "/include",
+    visibility = ["//:__subpackages__"],
+    deps = ["//:runtime_cc"],
+)
+
+cc_library(
+    name = "python",
+    srcs = ["python.cc"],
+    hdrs = ["python.h"],
+    strip_include_prefix = "/include",
+    visibility = [
+        "//grpc:__subpackages__",
+        "//src:__subpackages__",
+    ],
+    deps = [":namer"],
+)

include/codegen/idl_namer.h

@@ -0,0 +1,179 @@
+#ifndef FLATBUFFERS_INCLUDE_CODEGEN_IDL_NAMER_H_
+#define FLATBUFFERS_INCLUDE_CODEGEN_IDL_NAMER_H_
+
+#include "codegen/namer.h"
+#include "flatbuffers/idl.h"
+
+namespace flatbuffers {
+
+// Provides Namer capabilities to types defined in the flatbuffers IDL.
+class IdlNamer : public Namer {
+ public:
+  explicit IdlNamer(Config config, std::set<std::string> keywords)
+      : Namer(config, std::move(keywords)) {}
+
+  using Namer::Constant;
+  using Namer::Directories;
+  using Namer::Field;
+  using Namer::File;
+  using Namer::Function;
+  using Namer::Method;
+  using Namer::Namespace;
+  using Namer::NamespacedType;
+  using Namer::ObjectType;
+  using Namer::Type;
+  using Namer::Variable;
+  using Namer::Variant;
+
+  std::string Constant(const FieldDef &d) const { return Constant(d.name); }
+
+  // Types are always structs or enums so we can only expose these two
+  // overloads.
+  std::string Type(const StructDef &d) const { return Type(d.name); }
+  std::string Type(const EnumDef &d) const { return Type(d.name); }
+
+  std::string Function(const Definition &s) const { return Function(s.name); }
+  std::string Function(const std::string& prefix, const Definition &s) const {
+    return Function(prefix + s.name);
+  }
+
+  std::string Field(const FieldDef &s) const { return Field(s.name); }
+  std::string Field(const FieldDef &d, const std::string &s) const {
+    return Field(d.name + "_" + s);
+  }
+
+  std::string Variable(const FieldDef &s) const { return Variable(s.name); }
+
+  std::string Variable(const StructDef &s) const { return Variable(s.name); }
+
+  std::string Variant(const EnumVal &s) const { return Variant(s.name); }
+
+  std::string EnumVariant(const EnumDef &e, const EnumVal &v) const {
+    return Type(e) + config_.enum_variant_seperator + Variant(v);
+  }
+
+  std::string ObjectType(const StructDef &d) const {
+    return ObjectType(d.name);
+  }
+  std::string ObjectType(const EnumDef &d) const { return ObjectType(d.name); }
+
+  std::string Method(const FieldDef &d, const std::string &suffix) const {
+    return Method(d.name, suffix);
+  }
+  std::string Method(const std::string &prefix, const StructDef &d) const {
+    return Method(prefix, d.name);
+  }
+  std::string Method(const std::string &prefix, const FieldDef &d) const {
+    return Method(prefix, d.name);
+  }
+  std::string Method(const std::string &prefix, const FieldDef &d,
+                     const std::string &suffix) const {
+    return Method(prefix, d.name, suffix);
+  }
+
+  std::string Namespace(const struct Namespace &ns) const {
+    return Namespace(ns.components);
+  }
+
+  std::string NamespacedEnumVariant(const EnumDef &e, const EnumVal &v) const {
+    return NamespacedString(e.defined_namespace, EnumVariant(e, v));
+  }
+
+  std::string NamespacedType(const Definition &def) const {
+    return NamespacedString(def.defined_namespace, Type(def.name));
+  }
+
+  std::string NamespacedObjectType(const Definition &def) const {
+    return NamespacedString(def.defined_namespace, ObjectType(def.name));
+  }
+
+  std::string Directories(const struct Namespace &ns,
+                          SkipDir skips = SkipDir::None,
+                          Case input_case = Case::kUpperCamel) const {
+    return Directories(ns.components, skips, input_case);
+  }
+
+  // Legacy fields do not really follow the usual config and should be
+  // considered for deprecation.
+
+  std::string LegacyRustNativeVariant(const EnumVal &v) const {
+    return ConvertCase(EscapeKeyword(v.name), Case::kUpperCamel);
+  }
+
+  std::string LegacyRustFieldOffsetName(const FieldDef &field) const {
+    return "VT_" + ConvertCase(EscapeKeyword(field.name), Case::kAllUpper);
+  }
+    std::string LegacyRustUnionTypeOffsetName(const FieldDef &field) const {
+    return "VT_" + ConvertCase(EscapeKeyword(field.name + "_type"), Case::kAllUpper);
+  }
+
+
+  std::string LegacySwiftVariant(const EnumVal &ev) const {
+    auto name = ev.name;
+    if (isupper(name.front())) {
+      std::transform(name.begin(), name.end(), name.begin(), CharToLower);
+    }
+    return EscapeKeyword(ConvertCase(name, Case::kLowerCamel));
+  }
+
+  // Also used by Kotlin, lol.
+  std::string LegacyJavaMethod2(const std::string &prefix, const StructDef &sd,
+                                const std::string &suffix) const {
+    return prefix + sd.name + suffix;
+  }
+
+  std::string LegacyKotlinVariant(EnumVal &ev) const {
+    // Namer assumes the input case is snake case which is wrong...
+    return ConvertCase(EscapeKeyword(ev.name), Case::kLowerCamel);
+  }
+  // Kotlin methods escapes keywords after case conversion but before
+  // prefixing and suffixing.
+  std::string LegacyKotlinMethod(const std::string &prefix, const FieldDef &d,
+                                 const std::string &suffix) const {
+    return prefix + ConvertCase(EscapeKeyword(d.name), Case::kUpperCamel) +
+           suffix;
+  }
+  std::string LegacyKotlinMethod(const std::string &prefix, const StructDef &d,
+                                 const std::string &suffix) const {
+    return prefix + ConvertCase(EscapeKeyword(d.name), Case::kUpperCamel) +
+           suffix;
+  }
+
+  // This is a mix of snake case and keep casing, when Ts should be using
+  // lower camel case.
+  std::string LegacyTsMutateMethod(const FieldDef& d) {
+    return "mutate_" + d.name;
+  }
+
+  std::string LegacyRustUnionTypeMethod(const FieldDef &d) {
+    // assert d is a union
+    // d should convert case but not escape keywords due to historical reasons
+    return ConvertCase(d.name, config_.fields, Case::kLowerCamel) + "_type";
+  }
+
+ private:
+  std::string NamespacedString(const struct Namespace *ns,
+                               const std::string &str) const {
+    std::string ret;
+    if (ns != nullptr) { ret += Namespace(ns->components); }
+    if (!ret.empty()) ret += config_.namespace_seperator;
+    return ret + str;
+  }
+};
+
+// This is a temporary helper function for code generators to call until all
+// flag-overriding logic into flatc.cpp
+inline Namer::Config WithFlagOptions(const Namer::Config &input,
+                                     const IDLOptions &opts,
+                                     const std::string &path) {
+  Namer::Config result = input;
+  result.object_prefix = opts.object_prefix;
+  result.object_suffix = opts.object_suffix;
+  result.output_path = path;
+  result.filename_suffix = opts.filename_suffix;
+  return result;
+}
+
+}  // namespace flatbuffers
+
+#endif  // FLATBUFFERS_INCLUDE_CODEGEN_IDL_NAMER_H_

include/codegen/namer.h

@@ -0,0 +1,270 @@
+#ifndef FLATBUFFERS_INCLUDE_CODEGEN_NAMER_H_
+#define FLATBUFFERS_INCLUDE_CODEGEN_NAMER_H_
+
+#include "flatbuffers/util.h"
+
+namespace flatbuffers {
+
+// Options for Namer::File.
+enum class SkipFile {
+  None = 0,
+  Suffix = 1,
+  Extension = 2,
+  SuffixAndExtension = 3,
+};
+inline SkipFile operator&(SkipFile a, SkipFile b) {
+  return static_cast<SkipFile>(static_cast<int>(a) & static_cast<int>(b));
+}
+// Options for Namer::Directories
+enum class SkipDir {
+  None = 0,
+  // Skip prefixing the -o $output_path.
+  OutputPath = 1,
+  // Skip trailing path seperator.
+  TrailingPathSeperator = 2,
+  OutputPathAndTrailingPathSeparator = 3,
+};
+inline SkipDir operator&(SkipDir a, SkipDir b) {
+  return static_cast<SkipDir>(static_cast<int>(a) & static_cast<int>(b));
+}
+
+// `Namer` applies style configuration to symbols in generated code. It manages
+// casing, escapes keywords, and object API naming.
+// TODO: Refactor all code generators to use this.
+class Namer {
+ public:
+  struct Config {
+    // Symbols in code.
+
+    // Case style for flatbuffers-defined types.
+    // e.g. `class TableA {}`
+    Case types;
+    // Case style for flatbuffers-defined constants.
+    // e.g. `uint64_t ENUM_A_MAX`;
+    Case constants;
+    // Case style for flatbuffers-defined methods.
+    // e.g. `class TableA { int field_a(); }`
+    Case methods;
+    // Case style for flatbuffers-defined functions.
+    // e.g. `TableA* get_table_a_root()`;
+    Case functions;
+    // Case style for flatbuffers-defined fields.
+    // e.g. `struct Struct { int my_field; }`
+    Case fields;
+    // Case style for flatbuffers-defined variables.
+    // e.g. `int my_variable = 2`
+    Case variables;
+    // Case style for flatbuffers-defined variants.
+    // e.g. `enum class Enum { MyVariant, }`
+    Case variants;
+    // Seperator for qualified enum names.
+    // e.g. `Enum::MyVariant` uses `::`.
+    std::string enum_variant_seperator;
+
+    // Configures, when formatting code, whether symbols are checked against
+    // keywords and escaped before or after case conversion. It does not make
+    // sense to do so before, but its legacy behavior. :shrug:
+    // TODO(caspern): Deprecate.
+    enum class Escape {
+      BeforeConvertingCase,
+      AfterConvertingCase,
+    };
+    Escape escape_keywords;
+
+    // Namespaces
+
+    // e.g. `namespace my_namespace {}`
+    Case namespaces;
+    // The seperator between namespaces in a namespace path.
+    std::string namespace_seperator;
+
+    // Object API.
+    // Native versions flatbuffers types have this prefix.
+    // e.g. "" (it's usually empty string)
+    std::string object_prefix;
+    // Native versions flatbuffers types have this suffix.
+    // e.g. "T"
+    std::string object_suffix;
+
+    // Keywords.
+    // Prefix used to escape keywords. It is usually empty string.
+    std::string keyword_prefix;
+    // Suffix used to escape keywords. It is usually "_".
+    std::string keyword_suffix;
+
+    // Files.
+
+    // Case style for filenames. e.g. `foo_bar_generated.rs`
+    Case filenames;
+    // Case style for directories, e.g. `output_files/foo_bar/baz/`
+    Case directories;
+    // The directory within which we will generate files.
+    std::string output_path;
+    // Suffix for generated file names, e.g. "_generated".
+    std::string filename_suffix;
+    // Extension for generated files, e.g. ".cpp" or ".rs".
+    std::string filename_extension;
+  };
+  Namer(Config config, std::set<std::string> keywords)
+      : config_(config), keywords_(std::move(keywords)) {}
+
+  virtual ~Namer() {}
+
+  template<typename T> std::string Method(const T &s) const {
+    return Method(s.name);
+  }
+
+  virtual std::string Method(const std::string &pre,
+                             const std::string &mid,
+                             const std::string &suf) const {
+    return Format(pre + "_" +  mid + "_" + suf, config_.methods);
+  }
+  virtual std::string Method(const std::string &pre,
+                             const std::string &suf) const {
+    return Format(pre + "_" + suf, config_.methods);
+  }
+  virtual std::string Method(const std::string &s) const {
+    return Format(s, config_.methods);
+  }
+
+  virtual std::string Constant(const std::string &s) const {
+    return Format(s, config_.constants);
+  }
+
+  virtual std::string Function(const std::string &s) const {
+    return Format(s, config_.functions);
+  }
+
+  virtual std::string Variable(const std::string &s) const {
+    return Format(s, config_.variables);
+  }
+
+  template<typename T>
+  std::string Variable(const std::string &p, const T &s) const {
+    return Format(p + "_" + s.name, config_.variables);
+  }
+  virtual std::string Variable(const std::string &p,
+                               const std::string &s) const {
+    return Format(p + "_" + s, config_.variables);
+  }
+
+  virtual std::string Namespace(const std::string &s) const {
+    return Format(s, config_.namespaces);
+  }
+
+  virtual std::string Namespace(const std::vector<std::string> &ns) const {
+    std::string result;
+    for (auto it = ns.begin(); it != ns.end(); it++) {
+      if (it != ns.begin()) result += config_.namespace_seperator;
+      result += Namespace(*it);
+    }
+    return result;
+  }
+
+  virtual std::string NamespacedType(const std::vector<std::string> &ns,
+                                     const std::string &s) const {
+    return (ns.empty() ? "" : (Namespace(ns) + config_.namespace_seperator)) +
+           Type(s);
+  }
+
+  // Returns `filename` with the right casing, suffix, and extension.
+  virtual std::string File(const std::string &filename,
+                           SkipFile skips = SkipFile::None) const {
+    const bool skip_suffix = (skips & SkipFile::Suffix) != SkipFile::None;
+    const bool skip_ext = (skips & SkipFile::Extension) != SkipFile::None;
+    return ConvertCase(filename, config_.filenames, Case::kUpperCamel) +
+           (skip_suffix ? "" : config_.filename_suffix) +
+           (skip_ext ? "" : config_.filename_extension);
+  }
+  template<typename T>
+  std::string File(const T &f, SkipFile skips = SkipFile::None) const {
+    return File(f.name, skips);
+  }
+
+  // Formats `directories` prefixed with the output_path and joined with the
+  // right seperator. Output path prefixing and the trailing separator may be
+  // skiped using `skips`.
+  // Callers may want to use `EnsureDirExists` with the result.
+  // input_case is used to tell how to modify namespace. e.g. kUpperCamel will
+  // add a underscode between case changes, so MyGame turns into My_Game
+  // (depending also on the output_case).
+  virtual std::string Directories(const std::vector<std::string> &directories,
+                                  SkipDir skips = SkipDir::None,
+                                  Case input_case = Case::kUpperCamel) const {
+    const bool skip_output_path =
+        (skips & SkipDir::OutputPath) != SkipDir::None;
+    const bool skip_trailing_seperator =
+        (skips & SkipDir::TrailingPathSeperator) != SkipDir::None;
+    std::string result = skip_output_path ? "" : config_.output_path;
+    for (auto d = directories.begin(); d != directories.end(); d++) {
+      result += ConvertCase(*d, config_.directories, input_case);
+      result.push_back(kPathSeparator);
+    }
+    if (skip_trailing_seperator && !result.empty()) result.pop_back();
+    return result;
+  }
+
+  virtual std::string EscapeKeyword(const std::string &name) const {
+    if (keywords_.find(name) == keywords_.end()) {
+      return name;
+    } else {
+      return config_.keyword_prefix + name + config_.keyword_suffix;
+    }
+  }
+
+  virtual std::string Type(const std::string &s) const {
+    return Format(s, config_.types);
+  }
+  virtual std::string Type(const std::string &t, const std::string &s) const {
+    return Format(t + "_" + s, config_.types);
+  }
+
+  virtual std::string ObjectType(const std::string &s) const {
+    return config_.object_prefix + Type(s) + config_.object_suffix;
+  }
+
+  virtual std::string Field(const std::string &s) const {
+    return Format(s, config_.fields);
+  }
+
+  virtual std::string Variant(const std::string &s) const {
+    return Format(s, config_.variants);
+  }
+
+  virtual std::string Format(const std::string &s, Case casing) const {
+    if (config_.escape_keywords == Config::Escape::BeforeConvertingCase) {
+      return ConvertCase(EscapeKeyword(s), casing, Case::kLowerCamel);
+    } else {
+      return EscapeKeyword(ConvertCase(s, casing, Case::kLowerCamel));
+    }
+  }
+
+  // Denamespaces a string (e.g. The.Quick.Brown.Fox) by returning the last part
+  // after the `delimiter` (Fox) and placing the rest in `namespace_prefix`
+  // (The.Quick.Brown).
+  virtual std::string Denamespace(const std::string &s,
+                                  std::string &namespace_prefix,
+                                  const char delimiter = '.') const {
+    const size_t pos = s.find_last_of(delimiter);
+    if (pos == std::string::npos) {
+      namespace_prefix = "";
+      return s;
+    }
+    namespace_prefix = s.substr(0, pos);
+    return s.substr(pos + 1);
+  }
+
+  // Same as above, but disregards the prefix.
+  virtual std::string Denamespace(const std::string &s,
+                                  const char delimiter = '.') const {
+    std::string prefix;
+    return Denamespace(s, prefix, delimiter);
+  }
+
+  const Config config_;
+  const std::set<std::string> keywords_;
+};
+
+}  // namespace flatbuffers
+
+#endif  // FLATBUFFERS_INCLUDE_CODEGEN_NAMER_H_

include/codegen/python.cc

@@ -0,0 +1,63 @@
+#include "codegen/python.h"
+
+#include <set>
+#include <sstream>
+#include <string>
+#include <utility>
+
+namespace flatbuffers {
+namespace python {
+Version::Version(const std::string &version) {
+  std::stringstream ss(version);
+  char dot;
+  ss >> major >> dot >> minor >> dot >> micro;
+}
+
+bool Version::IsValid() const {
+  return (major == 0 || major == 2 || major == 3) && minor >= 0 && micro >= 0;
+}
+
+std::set<std::string> Keywords(const Version &version) {
+  switch (version.major) {
+    case 2:
+      // https://docs.python.org/2/reference/lexical_analysis.html#keywords
+      return {
+          "and",   "as",     "assert", "break",  "class", "continue", "def",
+          "del",   "elif",   "else",   "except", "exec",  "finally",  "for",
+          "from",  "global", "if",     "import", "in",    "is",       "lambda",
+          "not",   "or",     "pass",   "print",  "raise", "return",   "try",
+          "while", "with",   "yield",
+      };
+    case 0:
+    case 3:
+      // https://docs.python.org/3/reference/lexical_analysis.html#keywords
+      return {
+          "and",      "as",       "assert",  "async", "await",  "break",
+          "class",    "continue", "def",     "del",   "elif",   "else",
+          "except",   "False",    "finally", "for",   "from",   "global",
+          "if",       "import",   "in",      "is",    "lambda", "None",
+          "nonlocal", "not",      "or",      "pass",  "raise",  "return",
+          "True",     "try",      "while",   "with",  "yield",
+      };
+    default:
+      return {};
+  }
+}
+
+const python::Import &python::Imports::Import(const std::string &module) {
+  python::Import import;
+  import.module = module;
+  imports.push_back(std::move(import));
+  return imports.back();
+}
+
+const python::Import &python::Imports::Import(const std::string &module,
+                                              const std::string &name) {
+  python::Import import;
+  import.module = module;
+  import.name = name;
+  imports.push_back(std::move(import));
+  return imports.back();
+}
+}  // namespace python
+}  // namespace flatbuffers

include/codegen/python.h

@@ -0,0 +1,93 @@
+#ifndef FLATBUFFERS_INCLUDE_CODEGEN_PYTHON_H_
+#define FLATBUFFERS_INCLUDE_CODEGEN_PYTHON_H_
+
+#include <cstdint>
+#include <set>
+#include <string>
+#include <vector>
+
+#include "codegen/namer.h"
+
+namespace flatbuffers {
+namespace python {
+static const Namer::Config kConfig = {
+    /*types=*/Case::kKeep,
+    /*constants=*/Case::kScreamingSnake,
+    /*methods=*/Case::kUpperCamel,
+    /*functions=*/Case::kUpperCamel,
+    /*fields=*/Case::kLowerCamel,
+    /*variable=*/Case::kLowerCamel,
+    /*variants=*/Case::kKeep,
+    /*enum_variant_seperator=*/".",
+    /*escape_keywords=*/Namer::Config::Escape::AfterConvertingCase,
+    /*namespaces=*/Case::kKeep,  // Packages in python.
+    /*namespace_seperator=*/".",
+    /*object_prefix=*/"",
+    /*object_suffix=*/"T",
+    /*keyword_prefix=*/"",
+    /*keyword_suffix=*/"_",
+    /*filenames=*/Case::kKeep,
+    /*directories=*/Case::kKeep,
+    /*output_path=*/"",
+    /*filename_suffix=*/"",
+    /*filename_extension=*/".py",
+};
+
+static const Namer::Config kStubConfig = {
+    /*types=*/Case::kKeep,
+    /*constants=*/Case::kScreamingSnake,
+    /*methods=*/Case::kUpperCamel,
+    /*functions=*/Case::kUpperCamel,
+    /*fields=*/Case::kLowerCamel,
+    /*variables=*/Case::kLowerCamel,
+    /*variants=*/Case::kKeep,
+    /*enum_variant_seperator=*/".",
+    /*escape_keywords=*/Namer::Config::Escape::AfterConvertingCase,
+    /*namespaces=*/Case::kKeep,  // Packages in python.
+    /*namespace_seperator=*/".",
+    /*object_prefix=*/"",
+    /*object_suffix=*/"T",
+    /*keyword_prefix=*/"",
+    /*keyword_suffix=*/"_",
+    /*filenames=*/Case::kKeep,
+    /*directories=*/Case::kKeep,
+    /*output_path=*/"",
+    /*filename_suffix=*/"",
+    /*filename_extension=*/".pyi",
+};
+
+// `Version` represent a Python version.
+//
+// The zero value (i.e. `Version{}`) represents both Python2 and Python3.
+//
+// https://docs.python.org/3/faq/general.html#how-does-the-python-version-numbering-scheme-work
+struct Version {
+  explicit Version(const std::string &version);
+
+  bool IsValid() const;
+
+  int16_t major = 0;
+  int16_t minor = 0;
+  int16_t micro = 0;
+};
+
+std::set<std::string> Keywords(const Version &version);
+
+struct Import {
+  bool IsLocal() const { return module == "."; }
+
+  std::string module;
+  std::string name;
+};
+
+struct Imports {
+  const python::Import &Import(const std::string &module);
+  const python::Import &Import(const std::string &module,
+                               const std::string &name);
+
+  std::vector<python::Import> imports;
+};
+}  // namespace python
+}  // namespace flatbuffers
+
+#endif  // FLATBUFFERS_INCLUDE_CODEGEN_PYTHON_H_

include/flatbuffers/base.h

@@ -140,8 +140,8 @@
 #endif // !defined(FLATBUFFERS_LITTLEENDIAN)
 
 #define FLATBUFFERS_VERSION_MAJOR 24
-#define FLATBUFFERS_VERSION_MINOR 3
-#define FLATBUFFERS_VERSION_REVISION 7
+#define FLATBUFFERS_VERSION_MINOR 12
+#define FLATBUFFERS_VERSION_REVISION 23
 #define FLATBUFFERS_STRING_EXPAND(X) #X
 #define FLATBUFFERS_STRING(X) FLATBUFFERS_STRING_EXPAND(X)
 namespace flatbuffers {
@@ -339,15 +339,15 @@ typedef uint16_t voffset_t;
 typedef uintmax_t largest_scalar_t;
 
 // In 32bits, this evaluates to 2GB - 1
-#define FLATBUFFERS_MAX_BUFFER_SIZE std::numeric_limits<::flatbuffers::soffset_t>::max()
-#define FLATBUFFERS_MAX_64_BUFFER_SIZE std::numeric_limits<::flatbuffers::soffset64_t>::max()
+#define FLATBUFFERS_MAX_BUFFER_SIZE (std::numeric_limits<::flatbuffers::soffset_t>::max)()
+#define FLATBUFFERS_MAX_64_BUFFER_SIZE (std::numeric_limits<::flatbuffers::soffset64_t>::max)()
 
 // The minimum size buffer that can be a valid flatbuffer.
 // Includes the offset to the root table (uoffset_t), the offset to the vtable
 // of the root table (soffset_t), the size of the vtable (uint16_t), and the
 // size of the referring table (uint16_t).
-#define FLATBUFFERS_MIN_BUFFER_SIZE sizeof(uoffset_t) + sizeof(soffset_t) + \
-   sizeof(uint16_t) + sizeof(uint16_t)
+#define FLATBUFFERS_MIN_BUFFER_SIZE sizeof(::flatbuffers::uoffset_t) + \
+  sizeof(::flatbuffers::soffset_t) + sizeof(uint16_t) + sizeof(uint16_t)
 
 // We support aligning the contents of buffers up to this size.
 #ifndef FLATBUFFERS_MAX_ALIGNMENT
@@ -459,10 +459,17 @@ inline size_t PaddingBytes(size_t buf_size, size_t scalar_size) {
   return ((~buf_size) + 1) & (scalar_size - 1);
 }
 
+#if !defined(_MSC_VER)
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wfloat-equal"
+#endif
 // Generic 'operator==' with conditional specialisations.
 // T e - new value of a scalar field.
 // T def - default of scalar (is known at compile-time).
 template<typename T> inline bool IsTheSameAs(T e, T def) { return e == def; }
+#if !defined(_MSC_VER)
+  #pragma GCC diagnostic pop
+#endif
 
 #if defined(FLATBUFFERS_NAN_DEFAULTS) && \
     defined(FLATBUFFERS_HAS_NEW_STRTOD) && (FLATBUFFERS_HAS_NEW_STRTOD > 0)

include/flatbuffers/detached_buffer.h

@@ -80,6 +80,11 @@ class DetachedBuffer {
 
   size_t size() const { return size_; }
 
+  uint8_t *begin() { return data(); }
+  const uint8_t *begin() const { return data(); }
+  uint8_t *end() { return data() + size(); }
+  const uint8_t *end() const { return data() + size(); }
+
   // These may change access mode, leave these at end of public section
   FLATBUFFERS_DELETE_FUNC(DetachedBuffer(const DetachedBuffer &other));
   FLATBUFFERS_DELETE_FUNC(

include/flatbuffers/flatbuffer_builder.h

@@ -47,7 +47,8 @@ inline voffset_t FieldIndexToOffset(voffset_t field_id) {
       2 * sizeof(voffset_t);  // Vtable size and Object Size.
   size_t offset = fixed_fields + field_id * sizeof(voffset_t);
   FLATBUFFERS_ASSERT(offset < std::numeric_limits<voffset_t>::max());
-  return static_cast<voffset_t>(offset);}
+  return static_cast<voffset_t>(offset);
+}
 
 template<typename T, typename Alloc = std::allocator<T>>
 const T *data(const std::vector<T, Alloc> &v) {
@@ -241,7 +242,7 @@ template<bool Is64Aware = false> class FlatBufferBuilderImpl {
   /// called.
   uint8_t *ReleaseRaw(size_t &size, size_t &offset) {
     Finished();
-    uint8_t* raw = buf_.release_raw(size, offset);
+    uint8_t *raw = buf_.release_raw(size, offset);
     Clear();
     return raw;
   }
@@ -561,7 +562,7 @@ template<bool Is64Aware = false> class FlatBufferBuilderImpl {
     return CreateString<OffsetT>(str.c_str(), str.length());
   }
 
-// clang-format off
+  // clang-format off
   #ifdef FLATBUFFERS_HAS_STRING_VIEW
   /// @brief Store a string in the buffer, which can contain any binary data.
   /// @param[in] str A const string_view to copy in to the buffer.
@@ -743,7 +744,7 @@ template<bool Is64Aware = false> class FlatBufferBuilderImpl {
     AssertScalarT<T>();
     StartVector<T, OffsetT, LenT>(len);
     if (len > 0) {
-// clang-format off
+      // clang-format off
       #if FLATBUFFERS_LITTLEENDIAN
         PushBytes(reinterpret_cast<const uint8_t *>(v), len * sizeof(T));
       #else
@@ -1470,7 +1471,8 @@ T *GetMutableTemporaryPointer(FlatBufferBuilder &fbb, Offset<T> offset) {
 
 template<typename T>
 const T *GetTemporaryPointer(const FlatBufferBuilder &fbb, Offset<T> offset) {
-  return GetMutableTemporaryPointer<T>(fbb, offset);
+  return reinterpret_cast<const T *>(fbb.GetCurrentBufferPointer() +
+                                     fbb.GetSize() - offset.o);
 }
 
 }  // namespace flatbuffers

include/flatbuffers/flexbuffers.h

@@ -367,7 +367,8 @@ inline void IndentString(std::string &s, int indent,
 
 template<typename T>
 void AppendToString(std::string &s, T &&v, bool keys_quoted, bool indented,
-                    int cur_indent, const char *indent_string) {
+                    int cur_indent, const char *indent_string,
+                    bool natural_utf8) {
   s += "[";
   s += indented ? "\n" : " ";
   for (size_t i = 0; i < v.size(); i++) {
@@ -377,7 +378,7 @@ void AppendToString(std::string &s, T &&v, bool keys_quoted, bool indented,
     }
     if (indented) IndentString(s, cur_indent, indent_string);
     v[i].ToString(true, keys_quoted, s, indented, cur_indent,
-                  indent_string);
+                  indent_string, natural_utf8);
   }
   if (indented) {
     s += "\n";
@@ -567,23 +568,24 @@ class Reference {
   // string values at the top level receive "" quotes (inside other values
   // they always do). keys_quoted determines if keys are quoted, at any level.
   void ToString(bool strings_quoted, bool keys_quoted, std::string &s) const {
-    ToString(strings_quoted, keys_quoted, s, false, 0, "");
+    ToString(strings_quoted, keys_quoted, s, false, 0, "", false);
   }
 
   // This version additionally allow you to specify if you want indentation.
   void ToString(bool strings_quoted, bool keys_quoted, std::string &s,
-                bool indented, int cur_indent, const char *indent_string) const {
+                bool indented, int cur_indent, const char *indent_string,
+                bool natural_utf8 = false) const {
     if (type_ == FBT_STRING) {
       String str(Indirect(), byte_width_);
       if (strings_quoted) {
-        flatbuffers::EscapeString(str.c_str(), str.length(), &s, true, false);
+        flatbuffers::EscapeString(str.c_str(), str.length(), &s, true, natural_utf8);
       } else {
         s.append(str.c_str(), str.length());
       }
     } else if (IsKey()) {
       auto str = AsKey();
       if (keys_quoted) {
-        flatbuffers::EscapeString(str, strlen(str), &s, true, false);
+        flatbuffers::EscapeString(str, strlen(str), &s, true, natural_utf8);
       } else {
         s += str;
       }
@@ -623,7 +625,8 @@ class Reference {
         if (indented) IndentString(s, cur_indent + 1, indent_string);
         keys[i].ToString(true, kq, s);
         s += ": ";
-        vals[i].ToString(true, keys_quoted, s, indented, cur_indent + 1, indent_string);
+        vals[i].ToString(true, keys_quoted, s, indented, cur_indent + 1, indent_string,
+                         natural_utf8);
         if (i < keys.size() - 1) {
           s += ",";
           if (!indented) s += " ";
@@ -635,13 +638,15 @@ class Reference {
       s += "}";
     } else if (IsVector()) {
       AppendToString<Vector>(s, AsVector(), keys_quoted, indented,
-                             cur_indent + 1, indent_string);
+                             cur_indent + 1, indent_string, natural_utf8);
     } else if (IsTypedVector()) {
       AppendToString<TypedVector>(s, AsTypedVector(), keys_quoted, indented,
-                                  cur_indent + 1, indent_string);
+                                  cur_indent + 1, indent_string,
+                                  natural_utf8);
     } else if (IsFixedTypedVector()) {
       AppendToString<FixedTypedVector>(s, AsFixedTypedVector(), keys_quoted,
-                                       indented, cur_indent + 1, indent_string);
+                                       indented, cur_indent + 1, indent_string,
+                                       natural_utf8);
     } else if (IsBlob()) {
       auto blob = AsBlob();
       flatbuffers::EscapeString(reinterpret_cast<const char *>(blob.data()),

include/flatbuffers/idl.h

@@ -22,6 +22,7 @@
 #include <map>
 #include <memory>
 #include <stack>
+#include <vector>
 
 #include "flatbuffers/base.h"
 #include "flatbuffers/flatbuffers.h"
@@ -705,8 +706,26 @@ struct IDLOptions {
   bool no_leak_private_annotations;
   bool require_json_eof;
   bool keep_proto_id;
+
+  /********************************** Python **********************************/
   bool python_no_type_prefix_suffix;
   bool python_typing;
+
+  // The target Python version. Can be one of the following:
+  // -  "0"
+  // -  "2"
+  // -  "3"
+  // -  "2.<minor>"
+  // -  "3.<minor>"
+  // -  "2.<minor>.<micro>"
+  // -  "3.<minor>.<micro>"
+  //
+  // https://docs.python.org/3/faq/general.html#how-does-the-python-version-numbering-scheme-work
+  std::string python_version;
+
+  // Whether to generate numpy helpers.
+  bool python_gen_numpy;
+
   bool ts_omit_entrypoint;
   ProtoIdGapAction proto_id_gap_action;
 
@@ -759,6 +778,15 @@ struct IDLOptions {
   // make the flatbuffer more compact.
   bool set_empty_vectors_to_null;
 
+  /*********************************** gRPC ***********************************/
+  std::string grpc_filename_suffix;
+  bool grpc_use_system_headers;
+  std::string grpc_search_path;
+  std::vector<std::string> grpc_additional_headers;
+
+  /******************************* Python gRPC ********************************/
+  bool grpc_python_typed_handlers;
+
   IDLOptions()
       : gen_jvmstatic(false),
         use_flexbuffers(false),
@@ -821,6 +849,7 @@ struct IDLOptions {
         keep_proto_id(false),
         python_no_type_prefix_suffix(false),
         python_typing(false),
+        python_gen_numpy(true),
         ts_omit_entrypoint(false),
         proto_id_gap_action(ProtoIdGapAction::WARNING),
         mini_reflect(IDLOptions::kNone),
@@ -829,7 +858,10 @@ struct IDLOptions {
         rust_module_root_file(false),
         lang_to_generate(0),
         set_empty_strings_to_null(true),
-        set_empty_vectors_to_null(true) {}
+        set_empty_vectors_to_null(true),
+        grpc_filename_suffix(".fb"),
+        grpc_use_system_headers(true),
+        grpc_python_typed_handlers(false) {}
 };
 
 // This encapsulates where the parser is in the current source file.

include/flatbuffers/reflection_generated.h

@@ -9,8 +9,8 @@
 // Ensure the included flatbuffers.h is the same version as when this file was
 // generated, otherwise it may not be compatible.
 static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
-              FLATBUFFERS_VERSION_MINOR == 3 &&
-              FLATBUFFERS_VERSION_REVISION == 7,
+              FLATBUFFERS_VERSION_MINOR == 12 &&
+              FLATBUFFERS_VERSION_REVISION == 23,
              "Non-compatible flatbuffers version included");
 
 namespace reflection {
@@ -274,6 +274,12 @@ struct KeyValue FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
   int KeyCompareWithValue(const char *_key) const {
     return strcmp(key()->c_str(), _key);
   }
+  template<typename StringType>
+  int KeyCompareWithValue(const StringType& _key) const {
+    if (key()->c_str() < _key) return -1;
+    if (_key < key()->c_str()) return 1;
+    return 0;
+  }
   const ::flatbuffers::String *value() const {
     return GetPointer<const ::flatbuffers::String *>(VT_VALUE);
   }
@@ -464,6 +470,12 @@ struct Enum FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
   int KeyCompareWithValue(const char *_name) const {
     return strcmp(name()->c_str(), _name);
   }
+  template<typename StringType>
+  int KeyCompareWithValue(const StringType& _name) const {
+    if (name()->c_str() < _name) return -1;
+    if (_name < name()->c_str()) return 1;
+    return 0;
+  }
   const ::flatbuffers::Vector<::flatbuffers::Offset<reflection::EnumVal>> *values() const {
     return GetPointer<const ::flatbuffers::Vector<::flatbuffers::Offset<reflection::EnumVal>> *>(VT_VALUES);
   }
@@ -616,6 +628,12 @@ struct Field FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
   int KeyCompareWithValue(const char *_name) const {
     return strcmp(name()->c_str(), _name);
   }
+  template<typename StringType>
+  int KeyCompareWithValue(const StringType& _name) const {
+    if (name()->c_str() < _name) return -1;
+    if (_name < name()->c_str()) return 1;
+    return 0;
+  }
   const reflection::Type *type() const {
     return GetPointer<const reflection::Type *>(VT_TYPE);
   }
@@ -834,6 +852,12 @@ struct Object FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
   int KeyCompareWithValue(const char *_name) const {
     return strcmp(name()->c_str(), _name);
   }
+  template<typename StringType>
+  int KeyCompareWithValue(const StringType& _name) const {
+    if (name()->c_str() < _name) return -1;
+    if (_name < name()->c_str()) return 1;
+    return 0;
+  }
   const ::flatbuffers::Vector<::flatbuffers::Offset<reflection::Field>> *fields() const {
     return GetPointer<const ::flatbuffers::Vector<::flatbuffers::Offset<reflection::Field>> *>(VT_FIELDS);
   }
@@ -986,6 +1010,12 @@ struct RPCCall FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
   int KeyCompareWithValue(const char *_name) const {
     return strcmp(name()->c_str(), _name);
   }
+  template<typename StringType>
+  int KeyCompareWithValue(const StringType& _name) const {
+    if (name()->c_str() < _name) return -1;
+    if (_name < name()->c_str()) return 1;
+    return 0;
+  }
   const reflection::Object *request() const {
     return GetPointer<const reflection::Object *>(VT_REQUEST);
   }
@@ -1102,6 +1132,12 @@ struct Service FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
   int KeyCompareWithValue(const char *_name) const {
     return strcmp(name()->c_str(), _name);
   }
+  template<typename StringType>
+  int KeyCompareWithValue(const StringType& _name) const {
+    if (name()->c_str() < _name) return -1;
+    if (_name < name()->c_str()) return 1;
+    return 0;
+  }
   const ::flatbuffers::Vector<::flatbuffers::Offset<reflection::RPCCall>> *calls() const {
     return GetPointer<const ::flatbuffers::Vector<::flatbuffers::Offset<reflection::RPCCall>> *>(VT_CALLS);
   }
@@ -1221,6 +1257,12 @@ struct SchemaFile FLATBUFFERS_FINAL_CLASS : private ::flatbuffers::Table {
   int KeyCompareWithValue(const char *_filename) const {
     return strcmp(filename()->c_str(), _filename);
   }
+  template<typename StringType>
+  int KeyCompareWithValue(const StringType& _filename) const {
+    if (filename()->c_str() < _filename) return -1;
+    if (_filename < filename()->c_str()) return 1;
+    return 0;
+  }
   /// Names of included files, relative to project root.
   const ::flatbuffers::Vector<::flatbuffers::Offset<::flatbuffers::String>> *included_filenames() const {
     return GetPointer<const ::flatbuffers::Vector<::flatbuffers::Offset<::flatbuffers::String>> *>(VT_INCLUDED_FILENAMES);

include/flatbuffers/stl_emulation.h

@@ -273,7 +273,7 @@ template<class T, class U>
 FLATBUFFERS_CONSTEXPR_CPP11 bool operator==(const Optional<T>& lhs, const Optional<U>& rhs) FLATBUFFERS_NOEXCEPT {
   return static_cast<bool>(lhs) != static_cast<bool>(rhs)
               ? false
-              : !static_cast<bool>(lhs) ? false : (*lhs == *rhs);
+              : !static_cast<bool>(lhs) ? true : (*lhs == *rhs);
 }
 #endif // FLATBUFFERS_USE_STD_OPTIONAL
 

include/flatbuffers/vector.h

@@ -56,12 +56,24 @@ struct VectorIterator {
     return data_ == other.data_;
   }
 
+  bool operator!=(const VectorIterator &other) const {
+    return data_ != other.data_;
+  }
+
   bool operator<(const VectorIterator &other) const {
     return data_ < other.data_;
   }
 
-  bool operator!=(const VectorIterator &other) const {
-    return data_ != other.data_;
+  bool operator>(const VectorIterator &other) const {
+    return data_ > other.data_;
+  }
+
+  bool operator<=(const VectorIterator &other) const {
+    return !(data_ > other.data_);
+  }
+
+  bool operator>=(const VectorIterator &other) const {
+    return !(data_ < other.data_);
   }
 
   difference_type operator-(const VectorIterator &other) const {
@@ -163,6 +175,11 @@ template<typename T, typename SizeT = uoffset_t> class Vector {
 
   SizeT size() const { return EndianScalar(length_); }
 
+  // Returns true if the vector is empty.
+  //
+  // This just provides another standardized method that is expected of vectors.
+  bool empty() const { return size() == 0; }
+
   // Deprecated: use size(). Here for backwards compatibility.
   FLATBUFFERS_ATTRIBUTE([[deprecated("use size() instead")]])
   SizeT Length() const { return size(); }

include/flatbuffers/verifier.h

@@ -23,7 +23,8 @@
 namespace flatbuffers {
 
 // Helper class to verify the integrity of a FlatBuffer
-class Verifier FLATBUFFERS_FINAL_CLASS {
+template <bool TrackVerifierBufferSize>
+class VerifierTemplate FLATBUFFERS_FINAL_CLASS {
  public:
   struct Options {
     // The maximum nesting of tables and vectors before we call it invalid.
@@ -40,17 +41,18 @@ class Verifier FLATBUFFERS_FINAL_CLASS {
     bool assert = false;
   };
 
-  explicit Verifier(const uint8_t *const buf, const size_t buf_len,
-                    const Options &opts)
+  explicit VerifierTemplate(const uint8_t *const buf, const size_t buf_len,
+                            const Options &opts)
       : buf_(buf), size_(buf_len), opts_(opts) {
     FLATBUFFERS_ASSERT(size_ < opts.max_size);
   }
 
-  // Deprecated API, please construct with Verifier::Options.
-  Verifier(const uint8_t *const buf, const size_t buf_len,
-           const uoffset_t max_depth = 64, const uoffset_t max_tables = 1000000,
-           const bool check_alignment = true)
-      : Verifier(buf, buf_len, [&] {
+  // Deprecated API, please construct with VerifierTemplate::Options.
+  VerifierTemplate(const uint8_t *const buf, const size_t buf_len,
+                   const uoffset_t max_depth = 64,
+                   const uoffset_t max_tables = 1000000,
+                   const bool check_alignment = true)
+      : VerifierTemplate(buf, buf_len, [&] {
           Options opts;
           opts.max_depth = max_depth;
           opts.max_tables = max_tables;
@@ -62,25 +64,25 @@ class Verifier FLATBUFFERS_FINAL_CLASS {
   bool Check(const bool ok) const {
     // clang-format off
     #ifdef FLATBUFFERS_DEBUG_VERIFICATION_FAILURE
-       if (opts_.assert) { FLATBUFFERS_ASSERT(ok); }
-    #endif
-    #ifdef FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE
-      if (!ok)
-        upper_bound_ = 0;
+      if (opts_.assert) { FLATBUFFERS_ASSERT(ok); }
     #endif
     // clang-format on
+    if (TrackVerifierBufferSize) {
+      if (!ok) {
+        upper_bound_ = 0;
+      }
+    }
     return ok;
   }
 
   // Verify any range within the buffer.
   bool Verify(const size_t elem, const size_t elem_len) const {
-    // clang-format off
-    #ifdef FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE
+    if (TrackVerifierBufferSize) {
       auto upper_bound = elem + elem_len;
-      if (upper_bound_ < upper_bound)
+      if (upper_bound_ < upper_bound) {
         upper_bound_ =  upper_bound;
-    #endif
-    // clang-format on
+      }
+    }
     return Check(elem_len < size_ && elem <= size_ - elem_len);
   }
 
@@ -210,14 +212,14 @@ class Verifier FLATBUFFERS_FINAL_CLASS {
 
     // Call T::Verify, which must be in the generated code for this type.
     const auto o = VerifyOffset<uoffset_t>(start);
-    return Check(o != 0) &&
-           reinterpret_cast<const T *>(buf_ + start + o)->Verify(*this)
-    // clang-format off
-    #ifdef FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE
-           && GetComputedSize()
-    #endif
-        ;
-    // clang-format on
+    if (!Check(o != 0)) return false;
+    if (!(reinterpret_cast<const T *>(buf_ + start + o)->Verify(*this))) {
+      return false;
+    }
+    if (TrackVerifierBufferSize) {
+      if (GetComputedSize() == 0) return false;
+    }
+    return true;
   }
 
   template<typename T, int &..., typename SizeT>
@@ -232,7 +234,8 @@ class Verifier FLATBUFFERS_FINAL_CLASS {
     // If there is a nested buffer, it must be greater than the min size.
     if (!Check(buf->size() >= FLATBUFFERS_MIN_BUFFER_SIZE)) return false;
 
-    Verifier nested_verifier(buf->data(), buf->size(), opts_);
+    VerifierTemplate<TrackVerifierBufferSize> nested_verifier(
+        buf->data(), buf->size(), opts_);
     return nested_verifier.VerifyBuffer<T>(identifier);
   }
 
@@ -286,21 +289,27 @@ class Verifier FLATBUFFERS_FINAL_CLASS {
     return true;
   }
 
-  // Returns the message size in bytes
+  // Returns the message size in bytes.
+  //
+  // This should only be called after first calling VerifyBuffer or
+  // VerifySizePrefixedBuffer.
+  //
+  // This method should only be called for VerifierTemplate instances
+  // where the TrackVerifierBufferSize template parameter is true,
+  // i.e. for SizeVerifier.  For instances where TrackVerifierBufferSize
+  // is false, this fails at runtime or returns zero.
   size_t GetComputedSize() const {
-    // clang-format off
-    #ifdef FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE
+    if (TrackVerifierBufferSize) {
       uintptr_t size = upper_bound_;
       // Align the size to uoffset_t
       size = (size - 1 + sizeof(uoffset_t)) & ~(sizeof(uoffset_t) - 1);
       return (size > size_) ?  0 : size;
-    #else
-      // Must turn on FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE for this to work.
-      (void)upper_bound_;
-      FLATBUFFERS_ASSERT(false);
-      return 0;
-    #endif
-    // clang-format on
+    }
+    // Must use SizeVerifier, or (deprecated) turn on
+    // FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE, for this to work.
+    (void)upper_bound_;
+    FLATBUFFERS_ASSERT(false);
+    return 0;
   }
 
   std::vector<uint8_t> *GetFlexReuseTracker() { return flex_reuse_tracker_; }
@@ -323,9 +332,32 @@ class Verifier FLATBUFFERS_FINAL_CLASS {
 
 // Specialization for 64-bit offsets.
 template<>
-inline size_t Verifier::VerifyOffset<uoffset64_t>(const size_t start) const {
+template<>
+inline size_t VerifierTemplate<false>::VerifyOffset<uoffset64_t>(
+    const size_t start) const {
   return VerifyOffset<uoffset64_t, soffset64_t>(start);
 }
+template<>
+template<>
+inline size_t VerifierTemplate<true>::VerifyOffset<uoffset64_t>(
+    const size_t start) const {
+  return VerifyOffset<uoffset64_t, soffset64_t>(start);
+}
+
+// Instance of VerifierTemplate that supports GetComputedSize().
+using SizeVerifier = VerifierTemplate</*TrackVerifierBufferSize = */ true>;
+
+// The FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE build configuration macro is
+// deprecated, and should not be defined, since it is easy to misuse in ways
+// that result in ODR violations. Rather than using Verifier and defining
+// FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE, please use SizeVerifier instead.
+#ifdef FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE  // Deprecated, see above.
+using Verifier = SizeVerifier;
+#else
+// Instance of VerifierTemplate that is slightly faster, but does not
+// support GetComputedSize().
+using Verifier = VerifierTemplate</*TrackVerifierBufferSize = */ false>;
+#endif
 
 }  // namespace flatbuffers
 

java/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.flatbuffers</groupId>
   <artifactId>flatbuffers-java</artifactId>
-  <version>24.3.7</version>
+  <version>24.12.23</version>
   <packaging>bundle</packaging>
   <name>FlatBuffers Java API</name>
   <description>

java/src/main/java/com/google/flatbuffers/Constants.java

@@ -46,7 +46,7 @@ public class Constants {
     Changes to the Java implementation need to be sure to change
     the version here and in the code generator on every possible
     incompatible change */
-    public static void FLATBUFFERS_24_3_7() {}
+    public static void FLATBUFFERS_24_12_23() {}
 }
 
 /// @endcond

java/src/main/java/com/google/flatbuffers/reflection/Enum.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Enum extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Enum getRootAsEnum(ByteBuffer _bb) { return getRootAsEnum(_bb, new Enum()); }
   public static Enum getRootAsEnum(ByteBuffer _bb, Enum obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/EnumVal.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class EnumVal extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static EnumVal getRootAsEnumVal(ByteBuffer _bb) { return getRootAsEnumVal(_bb, new EnumVal()); }
   public static EnumVal getRootAsEnumVal(ByteBuffer _bb, EnumVal obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/Field.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Field extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Field getRootAsField(ByteBuffer _bb) { return getRootAsField(_bb, new Field()); }
   public static Field getRootAsField(ByteBuffer _bb, Field obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/KeyValue.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class KeyValue extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static KeyValue getRootAsKeyValue(ByteBuffer _bb) { return getRootAsKeyValue(_bb, new KeyValue()); }
   public static KeyValue getRootAsKeyValue(ByteBuffer _bb, KeyValue obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/Object.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Object extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Object getRootAsObject(ByteBuffer _bb) { return getRootAsObject(_bb, new Object()); }
   public static Object getRootAsObject(ByteBuffer _bb, Object obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/RPCCall.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class RPCCall extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static RPCCall getRootAsRPCCall(ByteBuffer _bb) { return getRootAsRPCCall(_bb, new RPCCall()); }
   public static RPCCall getRootAsRPCCall(ByteBuffer _bb, RPCCall obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/Schema.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Schema extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Schema getRootAsSchema(ByteBuffer _bb) { return getRootAsSchema(_bb, new Schema()); }
   public static Schema getRootAsSchema(ByteBuffer _bb, Schema obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public static boolean SchemaBufferHasIdentifier(ByteBuffer _bb) { return __has_identifier(_bb, "BFBS"); }

java/src/main/java/com/google/flatbuffers/reflection/SchemaFile.java

@@ -26,7 +26,7 @@ import java.nio.ByteOrder;
  */
 @SuppressWarnings("unused")
 public final class SchemaFile extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static SchemaFile getRootAsSchemaFile(ByteBuffer _bb) { return getRootAsSchemaFile(_bb, new SchemaFile()); }
   public static SchemaFile getRootAsSchemaFile(ByteBuffer _bb, SchemaFile obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/Service.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Service extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Service getRootAsService(ByteBuffer _bb) { return getRootAsService(_bb, new Service()); }
   public static Service getRootAsService(ByteBuffer _bb, Service obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

java/src/main/java/com/google/flatbuffers/reflection/Type.java

@@ -21,7 +21,7 @@ import java.nio.ByteOrder;
 
 @SuppressWarnings("unused")
 public final class Type extends Table {
-  public static void ValidateVersion() { Constants.FLATBUFFERS_24_3_7(); }
+  public static void ValidateVersion() { Constants.FLATBUFFERS_24_12_23(); }
   public static Type getRootAsType(ByteBuffer _bb) { return getRootAsType(_bb, new Type()); }
   public static Type getRootAsType(ByteBuffer _bb, Type obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }

kotlin/convention-plugins/build.gradle.kts

@@ -0,0 +1,7 @@
+plugins {
+  `kotlin-dsl`
+}
+
+repositories {
+  gradlePluginPortal()
+}

kotlin/convention-plugins/src/main/kotlin/convention.publication.gradle.kts

@@ -0,0 +1,95 @@
+import org.gradle.api.publish.maven.MavenPublication
+import org.gradle.api.tasks.bundling.Jar
+import org.gradle.kotlin.dsl.`maven-publish`
+import org.gradle.kotlin.dsl.signing
+import java.util.*
+
+plugins {
+  `maven-publish`
+  signing
+}
+
+// Stub secrets to let the project sync and build without the publication values set up
+ext["signing.keyId"] = null
+ext["signing.password"] = null
+ext["signing.secretKeyRingFile"] = null
+ext["ossrhUsername"] = null
+ext["ossrhPassword"] = null
+
+// Grabbing secrets from local.properties file or from environment variables, which could be used on CI
+val secretPropsFile = project.rootProject.file("local.properties")
+if (secretPropsFile.exists()) {
+  secretPropsFile.reader().use {
+    Properties().apply {
+      load(it)
+    }
+  }.onEach { (name, value) ->
+    ext[name.toString()] = value
+  }
+} else {
+  ext["signing.keyId"] = System.getenv("OSSRH_USERNAME")
+  ext["signing.password"] = System.getenv("OSSRH_PASSWORD")
+  ext["signing.secretKeyRingFile"] = System.getenv("INPUT_GPG_PRIVATE_KEY")
+  ext["ossrhUsername"] = System.getenv("OSSRH_USERNAME")
+  ext["ossrhPassword"] = System.getenv("OSSRH_PASSWORD")
+}
+
+val javadocJar by tasks.registering(Jar::class) {
+  archiveClassifier.set("javadoc")
+}
+
+fun getExtraString(name: String) = ext[name]?.toString()
+
+publishing {
+  // Configure maven central repository
+  repositories {
+    maven {
+      name = "sonatype"
+      setUrl("https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/")
+      credentials {
+        username = getExtraString("ossrhUsername")
+        password = getExtraString("ossrhPassword")
+      }
+    }
+  }
+
+  // Configure all publications
+  publications.withType<MavenPublication> {
+    // Stub javadoc.jar artifact
+    artifact(javadocJar.get())
+
+    // Provide artifacts information requited by Maven Central
+    pom {
+      name.set("Flatbuffers Kotlin")
+      description.set("Memory Efficient Serialization Library")
+      url.set("https://github.com/google/flatbuffers")
+
+      licenses {
+        license {
+          name.set("Apache License V2.0")
+          url.set("https://raw.githubusercontent.com/google/flatbuffers/master/LICENSE")
+        }
+      }
+      developers {
+        developer {
+          id.set("https://github.com/paulovap")
+          name.set("Paulo Pinheiro")
+          email.set("paulovictor.pinheiro@gmail.com")
+        }
+        developer {
+          id.set("https://github.com/dbaileychess")
+          name.set("Derek Bailey")
+          email.set("dbaileychess@gmail.com")
+        }
+      }
+      scm {
+        url.set("https://github.com/google/flatbuffers")
+      }
+    }
+  }
+}
+
+// Signing artifacts. Signing.* extra properties values will be used
+signing {
+  sign(publishing.publications)
+}

kotlin/flatbuffers-kotlin/build.gradle.kts

@@ -7,6 +7,7 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.apple.XCFrameworkConfig
 
 plugins {
   kotlin("multiplatform")
+  id("convention.publication")
 }
 
 

kotlin/gradle/libs.versions.toml

@@ -1,10 +1,12 @@
 [versions]
-kotlin = "1.8.21"
+# Version 1.9.10 fix
+# https://youtrack.jetbrains.com/issue/KT-60230/Native-unknown-options-iossimulatorversionmin-sdkversion-with-Xcode-15-beta-3
+kotlin = "1.9.10"
 plugin-kotlin = "1.6.10"
 plugin-gver = "0.42.0"
 kotlinx-benchmark = "0.4.8"
 junit = "4.12"
-gson = "2.8.5"
+gson = "2.8.9"
 moshi-kotlin = "1.11.0"
 
 [libraries]

kotlin/settings.gradle.kts

@@ -1,3 +1,4 @@
 rootProject.name = "flatbuffers-kotlin"
+includeBuild("convention-plugins")
 include("flatbuffers-kotlin")
 include("benchmark")

net/FlatBuffers/FlatBufferConstants.cs

@@ -32,6 +32,6 @@ namespace Google.FlatBuffers
         Changes to the C# implementation need to be sure to change
         the version here and in the code generator on every possible
         incompatible change */
-        public static void FLATBUFFERS_24_3_7() {}
+        public static void FLATBUFFERS_24_12_23() {}
     }
 }

net/FlatBuffers/Google.FlatBuffers.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.1;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net8.0</TargetFrameworks>
     <Description>A cross-platform memory efficient serialization library</Description>
-    <PackageVersion>24.3.7</PackageVersion>
+    <PackageVersion>24.12.23</PackageVersion>
     <Authors>Google LLC</Authors>
     <PackageProjectUrl>https://github.com/google/flatbuffers</PackageProjectUrl>
     <RepositoryUrl>https://github.com/google/flatbuffers</RepositoryUrl>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "flatbuffers",
-  "version": "24.3.7",
+  "version": "24.12.23",
   "description": "Memory Efficient Serialization Library",
   "files": [
     "js/**/*.js",
@@ -29,7 +29,7 @@
     "flatbuffers"
   ],
   "author": "The FlatBuffers project",
-  "license": "SEE LICENSE IN LICENSE",
+  "license": "Apache-2.0",
   "bugs": {
     "url": "https://github.com/google/flatbuffers/issues"
   },

python/flatbuffers/_version.py

@@ -14,4 +14,4 @@
 
 # Placeholder, to be updated during the release process
 # by the setup.py
-__version__ = u"24.3.7"
+__version__ = u"24.12.23"

python/setup.cfg

@@ -3,4 +3,4 @@ universal=1
 
 [metadata]
 license_files =
-   ../license
+   ../LICENSE

python/setup.py

@@ -16,9 +16,8 @@ from setuptools import setup
 
 setup(
     name='flatbuffers',
-    version='24.3.7',
+    version='24.12.23',
     license='Apache 2.0',
-    license_files='../LICENSE',
     author='Derek Bailey',
     author_email='derekbailey@google.com',
     url='https://google.github.io/flatbuffers/',

rust/flatbuffers/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "flatbuffers"
-version = "24.3.7"
+version = "24.12.23"
 edition = "2018"
 authors = ["Robert Winslow <hello@rwinslow.com>", "FlatBuffers Maintainers"]
 license = "Apache-2.0"

rust/flatbuffers/src/lib.rs

@@ -52,7 +52,7 @@ pub use crate::builder::{Allocator, DefaultAllocator, FlatBufferBuilder};
 pub use crate::endian_scalar::{emplace_scalar, read_scalar, read_scalar_at, EndianScalar};
 pub use crate::follow::{Follow, FollowStart};
 pub use crate::primitives::*;
-pub use crate::push::Push;
+pub use crate::push::{Push, PushAlignment};
 pub use crate::table::{buffer_has_identifier, Table};
 pub use crate::vector::{follow_cast_ref, Vector, VectorIter};
 pub use crate::verifier::{

rust/flexbuffers/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "flexbuffers"
-version = "2.0.0"
+version = "24.12.23"
 authors = ["Casper Neo <cneo@google.com>", "FlatBuffers Maintainers"]
 edition = "2018"
 license = "Apache-2.0"

samples/monster_generated.h

@@ -9,8 +9,8 @@
 // Ensure the included flatbuffers.h is the same version as when this file was
 // generated, otherwise it may not be compatible.
 static_assert(FLATBUFFERS_VERSION_MAJOR == 24 &&
-              FLATBUFFERS_VERSION_MINOR == 3 &&
-              FLATBUFFERS_VERSION_REVISION == 7,
+              FLATBUFFERS_VERSION_MINOR == 12 &&
+              FLATBUFFERS_VERSION_REVISION == 23,
              "Non-compatible flatbuffers version included");
 
 namespace MyGame {