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Protocol Buffers v36.0

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@JasonLunn JasonLunn released this 20 Aug 15:41
· 408 commits to main since this release
v36.0
3f17acb

Announcements

  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.
  • Migration Guide may include additional guidance for breaking changes.

Bazel

  • Add Bazel9 test (90ad7e9)
  • Bazel 9 tests for csharp, hpb, objc, php, python, rust and upb (f9e028f)

Compiler

  • Make default_symbol_visibility STRICT in edition 2026 (fcd68c5)
  • Add deprecation warnings for (py|cc|java)_generic_service. (517be42)
  • Disallow reserving field number INT_MAX. (933c522)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • Feat: --<lang>_prefix cli option (#24824) (92dd27c)
  • Enforce proto limits in the descriptor by default for EDITION_2026. (d8520d9)
  • Fix: Apply path traversal guard to WriteAllToZip() matching WriteAllToDisk() (#27171) (28bef98)
  • Add an enforce_proto_limits feature which will be implemented in Edition 2026. (5ddd524)

C++

  • Disable option sub-location mapping in open-source builds. (1d8a656)
  • Add json_options.proto and json_enumvalue_options.proto and/or gencode derived from them to release artifacts (15e9334)
  • Add deprecation warning for Reflection::GetEnum() and Reflection::GetRepeatedEnum(). (0bca288)
  • Migrate top-level protobuf unittest protos from Edition 2024 to Edition 2026. (271ca53)
  • Util: validate Duration/Timestamp in TimeUtil::FromString against spec limits (#27443) (e337495)
  • Make default_symbol_visibility STRICT in edition 2026 (fcd68c5)
  • Use the direct map reflection API when converting message to JSON, if the repeated field reflection is not valid. (e75aac3)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • Fix(cpp): stop TextFormat iteration if output stream fails (#26237) (2718dd5)
  • Enforce proto limits in the descriptor by default for EDITION_2026. (d8520d9)
  • Add an enforce_proto_limits feature which will be implemented in Edition 2026. (5ddd524)
  • Workaround for attribute handling bug in gcc < 13 (ba10a4e)
  • Fix confusing error message for map value type name conflicts (7864b85)
  • C++Proto JSON: Align behavior on the type.proto path with the descriptor.proto path (0bc1f14)

Java

  • Add json_options.proto and json_enumvalue_options.proto and/or gencode derived from them to release artifacts (15e9334)
  • Json/java: add json_name enumval support (bff6ed1)
  • Make Timestamps.parse() attempt non-lenient parsing first and warning if this fails. (d5e039a)
  • Add a warning for potential OneofDescriptor collisions prior to Q1 2027 breaking changes. (ab69831)
  • Make default_symbol_visibility STRICT in edition 2026 (fcd68c5)
  • Reject negative size in mergeDelimitedFrom (#28097) (c56cd5b)
  • Add deprecation warnings for (py|cc|java)_generic_service. (517be42)
  • Update Java protobuf generator to use Objects.requireNonNull (31ef11c)
  • Use natural String comparison instead of UTF-8 ByteString comparison for sorting map keys in JsonFormat. (ae1faee)
  • Add option to enable strict JSON parsing in Protobuf Java JsonFormat. (40825a1)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • Remove experimental FieldOrder enum. (ec52338)
  • Optimize GeneratedMessage.ExtendableBuilder to avoid temporary allocations when merging empty extendable messages. (a37dbd6)
  • Stop using sun.misc.Unsafe in isValidUtf8 paths. (421d745)
  • Use String#encodedLength on JDK versions that support it (efca121)
  • Add an enforce_proto_limits feature which will be implemented in Edition 2026. (5ddd524)
  • Java: limit numeric string length before BigDecimal parsing (#26908) (25e7005)
  • Validate java package and class against injection risks. (f8514d8)

Csharp

  • Cache custom JSON enum names in JsonParser using Lazy. (156d42d)
  • Csharp: add support for custom json strings for enum values (f11aac4)
  • Validate language-specific namespace options in code generators (#28667) (34e959b)
  • Make default_symbol_visibility STRICT in edition 2026 (fcd68c5)
  • Advertise that C# supports Edition 2026, and move C# Nullable Reference Type support into that edition. (a1f718c)
  • First implementation of C# nullable reference types enablement using the current (unreleased) edition. (7a732d1)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • Csharp: propagate recursion depth into JsonReplayTokenizer to honor Any nesting limit (#26835) (cee45bf)
  • Fix csharp string interpolation in Timestamp.ToDateTime() exception message (#26341) (a298282)

Objective-C

  • [ObjC] Carry recursion depth across MessageSet item parsing (#27571) (f89baed)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • [ObjC] Add DEBUG-only validations to extension values in GPBMessage, along with tests. (290a537)

Rust

  • Re-export to google-protobuf crate in 0.x.y for 36.0 and above (96e772f)
  • Remove -release suffix from Rust Crates.io release if minor version >= 36 (e7b3391)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • RustProto: Add the ability to iterate over the muts of a repeated message-typed field. (70590a5)
  • See also UPB changes below, which may affect Rust.

Python

  • Add json_options.proto and json_enumvalue_options.proto and/or gencode derived from them to release artifacts (15e9334)
  • Emit future warning when mutating GetOptions() in OSS (2255541)
  • Emit deprecation warning when comparing descriptor containers with unrecognized types in OSS (5865e6b)
  • Migrate top-level protobuf unittest protos from Edition 2024 to Edition 2026. (271ca53)
  • Configure extra compile args in setup.py (#28264) (3aa022a)
  • Python: fix heap-use-after-free in MapIterator after map.clear() (#27257) (9e9dbae)
  • Add PyDescriptorPool_FromSharedPool(std::shared_ptr) API (abdf212)
  • Fix memory leak in PyUpb_Descriptor_GetExtensionRanges (3d31b0f)
  • Warn on out-of-range pop index in upb repeated fields. (a70d121)
  • Support assigning repeated scalar fields using Python Buffer API. (ea40f1d)
  • Fix Pure Python map<string, ...> key handling for bytes lookups. (156a0b8)
  • Change Python DescriptorDatabase FindFileContainingSymbol() to accept leading "." to match DescriptorPool and other languages (e86e536)
  • Faster Python cpp protos assignment to bytes/string fields. (593ab17)
  • Serialize length-prefixed protos once (#27252) (e090f8a)
  • [py/upb] Make GetOptions() return immutable options for scalar type. UPB will raise a TypeError when options returned GetOptions() by is mutated. (403d429)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • Add mutex protection to DescriptorPool caches. (cecbbf4)
  • Refactor container comparison function in py/C++ and py/upb to return enum instead of integer. (c857f49)
  • Py JSON: Fix issue with depth enforcement on Struct/Value WKT paths. (cfcc433)
  • Fix RepeatedContainer_pop to raise IndexError for out-of-bounds indices. (78a09ad)

PHP

  • Support custom JSON enum names in PHP (49b3b18)
  • Remove total_bytes_limit from pure PHP CodedInputStream. (e171c67)
  • Validate language-specific namespace options in code generators (#28667) (34e959b)
  • Fix PHP update_reserved_words.sh formatting and CI idempotency test (eff2323)
  • Feat(php): script for updating php reserved words (#27456) (47c8651)
  • [PHP] - Add configurable recursion_limit to mergeFromString / serializeToString (#27874) (5c5ee3c)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)
  • Clarify FieldMask JSON warnings/errors in the situation of fields which aren't round-trip representable in JSON format. (0488596)
  • Add an enforce_proto_limits feature which will be implemented in Edition 2026. (5ddd524)

PHP C-Extension

  • Support custom JSON enum names in PHP (49b3b18)
  • Feat(php): script for updating php reserved words (#27456) (47c8651)
  • [PHP] - Add configurable recursion_limit to mergeFromString / serializeToString (#27874) (5c5ee3c)
  • See also UPB changes below, which may affect PHP C-Extension.

Ruby

  • Validate language-specific namespace options in code generators (#28667) (34e959b)
  • Drop support for Ruby 3.1 (7008dd1)
  • Add bazel targets for standalone plugin binaries (#23919) (81880fa)

UPB (Python/PHP/Ruby C-Extension)

  • Json/upb: Implement json EnumValueName for upb (0e8519e)
  • Avoid UB in upb by switching to the XCT section, which will run our constructors before the compiler-generated initializers. (58e5ac8)
  • [py/upb] Make GetOptions() return immutable options for scalar type. UPB will raise a TypeError when options returned GetOptions() by is mutated. (403d429)
  • Clarify FieldMask JSON warnings/errors in the situation of fields which aren't round-trip representable in JSON format. (0488596)
  • Add Bazel9 test (90ad7e9)
  • Fixed two GCC-only issues around upb's generated extension registry. (d56b385)
  • Fix RepeatedContainer_pop to raise IndexError for out-of-bounds indices. (78a09ad)

Other

  • Fix typo in legacy_rust (daf4964)
  • Add JSON and CPP option protos to C++ toolchain blacklisted_protos (c4846de)
  • Remove fallback behavior (2d3c0d3)
  • Add deprecation warning for internal_py_proto_library prior to Q1 2027 breaking changes. (a8d0be3)
Assets 17
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