What's Changed

• [Swift] Adds new API to reduce memory copying within swift by @mustiikhalil in https://github.com/google/flatbuffers/pull/8484
• [C++] Fixes access to union members when generating code with options "--cpp-field-case-style upper" and "--gen-object-api" by @Ailuridae in https://github.com/google/flatbuffers/pull/8447
• [C++] Fix dereference operator of VectorIterator to structures by @admo in https://github.com/google/flatbuffers/pull/8425
• [TS] Enum value default null by @bjornharrtell in https://github.com/google/flatbuffers/pull/8619
• [Swift] Flexbuffers native swift port by @mustiikhalil in https://github.com/google/flatbuffers/pull/8577
• [TS] Upgrade deps by @bjornharrtell in https://github.com/google/flatbuffers/pull/8620
• Avoid outputting Python files for already generated types by @akb825 in https://github.com/google/flatbuffers/pull/8500
• Bugfix: grpc python code generation location and file suffix by @fliiiix in https://github.com/google/flatbuffers/pull/8359
• Decode bytes to strings in Python Object API by @sethraymond in https://github.com/google/flatbuffers/pull/8551
• [Swift] Adds windows support by @mustiikhalil in https://github.com/google/flatbuffers/pull/8622
• [TS] Fix relative paths for exports by @trumully in https://github.com/google/flatbuffers/pull/8517
• [CI] Moves swift actions to use next by @mustiikhalil in https://github.com/google/flatbuffers/pull/8632
• Bugfix/new decode flag by @fliiiix in https://github.com/google/flatbuffers/pull/8634
• Use correct default type for str by @fliiiix in https://github.com/google/flatbuffers/pull/8623
• Fixed typo in quick_start.md by @Dylan-Gallagher in https://github.com/google/flatbuffers/pull/8592
• Fix typo in code comment by @fliiiix in https://github.com/google/flatbuffers/pull/8549
• Update README logo path by @gio3k in https://github.com/google/flatbuffers/pull/8602
• [Python] Avoid include own type by @fliiiix in https://github.com/google/flatbuffers/pull/8625
• [Swift] Fixes inlining & module importing by @mustiikhalil in https://github.com/google/flatbuffers/pull/8637
• Fix Enum type definition by @fliiiix in https://github.com/google/flatbuffers/pull/8624
• Fix JavaScript typo in mkdocs.yml by @luksab in https://github.com/google/flatbuffers/pull/8515
• [Python] Avoid double flatbuffers include in pyi files by @fliiiix in https://github.com/google/flatbuffers/pull/8626
• doc: PHP fread typo by @rogeriolino in https://github.com/google/flatbuffers/pull/8566
• [Swift] Allows keepingCapacity for the underlying memory by @mustiikhalil in https://github.com/google/flatbuffers/pull/8643
• [Python] Enhance object API __init__ with typed keyword arguments by @crackcomm in https://github.com/google/flatbuffers/pull/8615
• Fix start page: Backwards and Forwards Compatibility by @fliiiix in https://github.com/google/flatbuffers/pull/8645
• Support Rust edition 2024 by @aleb in https://github.com/google/flatbuffers/pull/8638
• Bugfix eq for numpy data types by @fliiiix in https://github.com/google/flatbuffers/pull/8646
• [Swift] Moves capacity from storage to struct by @mustiikhalil in https://github.com/google/flatbuffers/pull/8650
• [Swift] Fixes load from misaligned raw pointer by @mustiikhalil in https://github.com/google/flatbuffers/pull/8649
• Fix native_type non-native_inline fields, add tests by @souryavarenya in https://github.com/google/flatbuffers/pull/8655
• Remove stray required in docs by @fliiiix in https://github.com/google/flatbuffers/pull/8663
• Doc fix verifier example code for cpp by @fliiiix in https://github.com/google/flatbuffers/pull/8664
• docs: fix broken link in readme by @Nugine in https://github.com/google/flatbuffers/pull/8656
• Fix small typo in word JavaScript (JavasScript -> JavaScript) by @isaiahpettingill in https://github.com/google/flatbuffers/pull/8530
• Add Rust reflection documentation by @candysonya in https://github.com/google/flatbuffers/pull/8536
• CMakeLists: include(CheckSymbolExists) so check_symbol_exists() will work by @vzjc in https://github.com/google/flatbuffers/pull/8580
• Fix: Actually call ValidateOptions by @thejtshow in https://github.com/google/flatbuffers/pull/8665
• Update TS codegen - change getFullyQualifiedName return type from string to string literal by @rametta in https://github.com/google/flatbuffers/pull/8421
• [CI] Fixes swift tests on windows by @mustiikhalil in https://github.com/google/flatbuffers/pull/8685
• fix(go/grpc): avoid panic on short FlatBuffers input by @thevilledev in https://github.com/google/flatbuffers/pull/8684
• Bugfix: grpc supress incorrect warning by @fliiiix in https://github.com/google/flatbuffers/pull/8669
• gRPC callbackService support added by @shankeleven in https://github.com/google/flatbuffers/pull/8666
• [C#] Fix union verifier by @TorsteinTenstadNorsonic in https://github.com/google/flatbuffers/pull/8593
• Add bounds checking to a C# method where it was missing by @CurtHagenlocher in https://github.com/google/flatbuffers/pull/8673
• [C#] Improve Span<> utilization by @bigjt-dev in https://github.com/google/flatbuffers/pull/8588
• [C#] Added ToSizedArrayPadded(int padLeft, int padRight) to ByteBuffers to avoid unnecessary copying. by @petersvp in https://github.com/google/flatbuffers/pull/8658
• fix(idl_gen_ts): bool to number conversion in mutable API (#8676) by @nurbo in https://github.com/google/flatbuffers/pull/8677
• [Swift] Fixes windows CI by @mustiikhalil in https://github.com/google/flatbuffers/pull/8702
• Use the Google Style for clang-format without exceptions by @dbaileychess in https://github.com/google/flatbuffers/pull/8706
• bulk code format fix by @dbaileychess in https://github.com/google/flatbuffers/pull/8707
• Bump the npm_and_yarn group across 1 directory with 2 updates by @dependabot[bot] in https://github.com/google/flatbuffers/pull/8704
• FlatBuffers Version 25.9.23 by @dbaileychess in https://github.com/google/flatbuffers/pull/8708

New Contributors

• @Ailuridae made their first contribution in https://github.com/google/flatbuffers/pull/8447
• @sethraymond made their first contribution in https://github.com/google/flatbuffers/pull/8551
• @trumully made their first contribution in https://github.com/google/flatbuffers/pull/8517
• @Dylan-Gallagher made their first contribution in https://github.com/google/flatbuffers/pull/8592
• @gio3k made their first contribution in https://github.com/google/flatbuffers/pull/8602
• @luksab made their first contribution in https://github.com/google/flatbuffers/pull/8515
• @rogeriolino made their first contribution in https://github.com/google/flatbuffers/pull/8566
• @crackcomm made their first contribution in https://github.com/google/flatbuffers/pull/8615
• @aleb made their first contribution in https://github.com/google/flatbuffers/pull/8638
• @souryavarenya made their first contribution in https://github.com/google/flatbuffers/pull/8655
• @Nugine made their first contribution in https://github.com/google/flatbuffers/pull/8656
• @isaiahpettingill made their first contribution in https://github.com/google/flatbuffers/pull/8530
• @vzjc made their first contribution in https://github.com/google/flatbuffers/pull/8580
• @thejtshow made their first contribution in https://github.com/google/flatbuffers/pull/8665
• @rametta made their first contribution in https://github.com/google/flatbuffers/pull/8421
• @thevilledev made their first contribution in https://github.com/google/flatbuffers/pull/8684
• @shankeleven made their first contribution in https://github.com/google/flatbuffers/pull/8666
• @TorsteinTenstadNorsonic made their first contribution in https://github.com/google/flatbuffers/pull/8593
• @bigjt-dev made their first contribution in https://github.com/google/flatbuffers/pull/8588
• @petersvp made their first contribution in https://github.com/google/flatbuffers/pull/8658
• @nurbo made their first contribution in https://github.com/google/flatbuffers/pull/8677

Full Changelog: https://github.com/google/flatbuffers/compare/v25.2.10...v25.9.23