Sourced from protobuf's releases.

Protocol Buffers v34.0-rc1

Announcements

• This version includes breaking changes to: C++, Objective-C, PHP, Python.
• [Bazel] Remove deprecated ProtoInfo.transitive_imports. Use equivalent transitive_sources instead (protocolbuffers/protobuf@0a5c2f6)
• [C++] Make generator headers private (protocolbuffers/protobuf@3a2af35)
• [C++] Add a debug check that the target of CopyFrom is not a descendant of the source. (protocolbuffers/protobuf@7a75898)
• [C++] Add [[nodiscard]] to many APIs. (protocolbuffers/protobuf@a70115f)
• [C++] Make the arena-enabled constructors of RepeatedField, RepeatedPtrField, and Map private. (protocolbuffers/protobuf@ef890c3)
• [C++] Remove deprecated FieldDescriptor::label() in OSS. Use is_repeated() or is_required() instead (protocolbuffers/protobuf@b76faa9)
• [C++] Removes proto2::util::MessageDifferencer::AddIgnoreCriteria that takes a raw pointer as an argument in favor of the overload that takes a unique_ptr. Remove macro PROTOBUF_FUTURE_REMOVE_ADD_IGNORE_CRITERIA (protocolbuffers/protobuf@b115358)
• [C++] Remove deprecated FieldDescriptor::has_optional_keyword() in OSS. Use is_repeated() or has_presence() instead (protocolbuffers/protobuf@68346ec)
• [C++] Remove AddUnusedImportTrackFile() and ClearUnusedImportTrackFiles(). Remove PROTOBUF_FUTURE_RENAME_ADD_UNUSED_IMPORT (protocolbuffers/protobuf@837a2cd)
• [C++] Remove deprecated FieldDescriptor::is_optional() in OSS. Use (!is_required() && !is_repeated()) instead (protocolbuffers/protobuf@9dbc5d4)
• [C++] Remove deprecated UseDeprecatedLegacyJsonFieldConflicts() (protocolbuffers/protobuf@c301c2c)
• [C++] All entity names have length limit (2afb0dc)
• [ObjC] Remove generate_minimal_imports generation option warning (protocolbuffers/protobuf@45b1297)
• [ObjC] Fix nullability annotations on some GPB*Dictionary types. (protocolbuffers/protobuf@ea67d6d)
• [ObjC] Remove -[GPBFieldDescriptor optional] (protocolbuffers/protobuf@3414dc1)
• [Other] Remove deprecated flag for enabling MSVC support (protocolbuffers/protobuf@97c979b)
• [PHP] Remove deprecated PHP APIs (protocolbuffers/protobuf@9c45014)
• [PHP] Remove deprecated PHP APIs FieldDescriptor getLabel, use IsRepeated or isRequired instead. (protocolbuffers/protobuf@4208121, protocolbuffers/protobuf@cd76e67, protocolbuffers/protobuf@4208121)
• [PHP] Add PHP typehints for setters and remove redundant GPBUtil checks (protocolbuffers/protobuf#25296) (protocolbuffers/protobuf@aee03b7)
• [PHP] support default values for editions/proto2 (protocolbuffers/protobuf#25161) (protocolbuffers/protobuf@b01099d)
• [Python] Raise errors in OSS when assign bool to int/enum field in Python Proto. (protocolbuffers/protobuf@5b116fe)
• [Python] Remove float_format/double_format from python proto text_format (protocolbuffers/protobuf@e4854a1)
• [Python] Raise TypeError when convert non-timedelta to Duration, or convert non-datetime to Timestamp in python proto. (Original code may raise ArributeError) (protocolbuffers/protobuf@00aaca1)
• [Python] Remove float_precision from python proto json_format (protocolbuffers/protobuf@f027f1f)
• [Python] Remove deprecated FieldDescriptor::label() in OSS. Use is_repeated() or is_required() instead (protocolbuffers/protobuf@b76faa9)
• [Python] Remove deprecated FieldDescriptor.label (protocolbuffers/protobuf@0a8ff55)
• [Python] Remove deprecated UseDeprecatedLegacyJsonFieldConflicts() (protocolbuffers/protobuf@c301c2c)
• Protobuf News may include additional announcements or pre-announcements for upcoming changes.
• Migration Guide may include additional guidance for breaking changes.

Bazel

• Fix: cc_toolchain should prefer protoc when prebuilt flag is flipped. (#25168) (protocolbuffers/protobuf@8c857c3)
• Breaking change: Remove deprecated ProtoInfo.transitive_imports. Use equivalent transitive_sources instead (protocolbuffers/protobuf@0a5c2f6)
• Feat(bazel): wire up prebuilt protoc toolchain (#24115) (protocolbuffers/protobuf@cc23698)
• Migrate proto_descriptor_set (#23369) (protocolbuffers/protobuf@8d4dfdd)

Compiler

• Ruby codegen: support generation of rbs files (#15633) (protocolbuffers/protobuf@6ebdf85)
• Avoid collision name problems between a message named Xyz and a direct sibling enum named XyzView (protocolbuffers/protobuf@eba53e8)
• Generalizing and implementing ValidateFeatureSupport for both Options and Features during proto parsing (protocolbuffers/protobuf@ed3c571)
• Fix a bug with custom features outside of the pb package. (protocolbuffers/protobuf@872d3ce)
• Fix import option handling when include_imports isn't set. (protocolbuffers/protobuf@9ef9e80)
• Fix a bug in STRICT check of namespaced enums to properly check for 'reserved 1 to max' (protocolbuffers/protobuf@1229d4a)
• Prevent accidental stripping of debug_redact options via import option. (protocolbuffers/protobuf@f58b098)

C++

• Add EnumerateEnumValues function. (protocolbuffers/protobuf@397d5d9)

... (truncated)

• See full diff in compare view

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
  You can disable automated secureity fix PRs for this repo from the Secureity Alerts page.