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Releases: protocolbuffers/protobuf

Protocol Buffers v26.1

27 Mar 20:28
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Announcements

  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

C++

  • Expand cpp_features_proto_srcs visibility (2d3d8ba)
  • Move java_features.proto to java/core/srce/main/resources (22f1170)

Java

  • Fix validateFeatures to be called after resolved features are actually set to this.features (9bf69ec)
  • Move java_features.proto to java/core/srce/main/resources (22f1170)
  • Set label to REQUIRED for descriptors with LEGACY_REQUIRED feature. (4886a9c)
  • Add java_features.proto to kotlin_mvn release (0e4abf9)

Kotlin

  • Add java_features.proto to kotlin_mvn release (0e4abf9)

Ruby

  • Cherry-pick required label handling in JRuby field descriptor from bca8fb6 (2e51ff6)

Other

  • Update protoc release to include editions language features protos for Java and C++ (7f45773)
  • Fix Android platforms constraint (#16246) (#16271) (b4e1870)
  • Add back android config_setting that looks for //external:android/crosstool (#16127) (#16264) (a97c927)

Protocol Buffers v26.0

13 Mar 17:09
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Announcements

  • This version includes breaking changes to: Java, PHP, C++, Ruby, Python.
    • [Java] Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
    • [Java] Remove unused helper methods for creating new mutable arraylists. (7874474)
    • [Java] Use Editions features in Java full runtimes. (65c65c2)
    • [Java] Stop generating the "newInstance" method. This is not used anymore. (c0d08bd)
    • [Java] Remove unused overload of AbstractMessageLite.addAll that worked on a Collection instead of a List. (3b9bd6d)
    • [Java] Remove obsolete runtime internalBuildGeneratedFileFrom which was for backwards compatibility with old gencode. (9310d2e)
    • [Java] Remove unnecessary overloads of methods: (94a2a44)
    • [Java] Remove unnecessary generated overrides for GeneratedMessage.Builder methods: (7bff169)
    • [Java] The base class for generated messages will be GeneratedMessage, not GeneratedMessageV3.
    • [Java] Remove deprecated runtime methods for compatibility with old v2.x.x gencode. (e555bd2)
    • [Java] Remove deprecated TextFormat print methods. These should be replaced by corresponding TextFormat.printer() methods. (dfb8a4c)
    • [Java] Lock down visibility for descriptor syntax APIs. (1aeacd4)
    • [Java] Make deprecated Java gencode PARSER variable private. (b4858b2)
    • [Java] Use Editions features in Java full runtimes. (65c65c2)
    • [Java] The base class for generated messages will be GeneratedMessage, not GeneratedMessageV3.
    • [PHP] Validate UTF-8 in string setters, as previously announced. (d14dbbc)
    • [PHP] Remove deprecated legacy class aliases. (#15709) (096e127)
    • [PHP] Validate UTF-8 in string setters, as previously announced. (d14dbbc)
    • [PHP] Remove support for PHP generic services (40ad3fa)
    • [C++] Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
    • [C++] Remove const GetArena method on RepeatedPtrField (748ab16)
    • [C++] Disallow incorrect ctype usage (755b690)
    • [C++] Remove deprecated std::string error collector overrides (543fbcd)
    • [C++] Promote ExtensionRange to a proper class (5b12bc8)
    • [C++] Remove deprecated clear APIs on repeated fields (229906f)
    • [C++] Remove C++ legacy syntax descriptor APIs (cf2d696)
    • [C++] Remove deprecated syntax APIs (715b543)
    • [C++] Remove deprecated SupportsUnknownEnumValues method (0a6a516)
    • [Ruby] Removed syntax and added has_presence?/is_packed?. (dbd4dce)
    • [Ruby] Fixed json_encode/json_decode to use the message's pool. (a8b8ea0)
    • [Ruby] Freeze is now recursive, affecting all sub-messages, maps, and repeated fields. (31313b1)
    • [Ruby] Fixed inconsistencies in Message#to_h, as previously announced. (fd69938)
    • [Ruby] Dropped support for Ruby DSL, as previously announced. (5cfc9e7)
    • [Ruby] Lock down visibility for descriptor syntax APIs. (1aeacd4)
    • [Ruby] Removed syntax and added has_presence?/is_packed?. (dbd4dce)
    • [Ruby] Fixed json_encode/json_decode to use the message's pool. (a8b8ea0)
    • [Ruby] Freeze is now recursive, affecting all sub-messages, maps, and repeated fields. (31313b1)
    • [Ruby] Fixed inconsistencies in Message#to_h, as previously announced. (fd69938)
    • [Python] Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
    • [Python] Removed obsolete/duplicate setup.py from Python. (#15708) (5722aef)
    • [Python] Made text_format output default to UTF-8. (bf00034)
    • [Python] Remove RegisterExtension in message class (4ebba68)
    • [Python] Reject extend repeated field with none iterable (Raise TypeError) (1658213)
    • [Python] Remove Deprecated APIs that add non top descriptor. (c51f111)
    • [Python] Check if Timestamp is valid. (4f77929)
    • [Python] Remove msg.UnknownFields() support in pure python and cpp extension. (0eac77c)
    • [Python] Remove deprecated syntax accessor. (fd40c87)
  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Compiler

C++

  • Remove rust proto libraries from the editions/BUILD file. (1f9d9fb)
  • Fix CMake regex escaping. (3ad69cf)
  • Escape _from_dir in install.cmake for regex special characters (e.g. c++) before REGEX REPLACE. (f740f52)
  • Tweak BUILD setup to make the layering check change less disruptive (#15838) (52aa150)
  • Add missing alias targets for C++ util libraries (#15783) (62e7a56)
  • Breaking change: Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab...

Protocol Buffers v26.0-rc3

28 Feb 23:49
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Pre-release

Announcements

  • This version includes breaking changes to Ruby.
    • Moved ObjectCache into an internal module. (9087337)
  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

C++

  • Remove rust proto libraries from the editions/BUILD file. (1f9d9fb)
  • Fix CMake regex escaping. (3ad69cf)
  • Escape _from_dir in install.cmake for regex special characters (e.g. c++) before REGEX REPLACE. (f740f52)
  • Tweak BUILD setup to make the layering check change less disruptive (#15838) (52aa150)
  • Add missing alias targets for C++ util libraries (#15783) (62e7a56)

Rust

  • Tweak BUILD setup to make the layering check change less disruptive (#15838) (52aa150)

PHP

PHP C-Extension

  • Updated amalgamations for PHP and Ruby. (c773dc9)
  • See also UPB changes below, which may affect PHP C-Extension.

Ruby

  • Ruby implement memsize functions for native types (#10291) (4902fc0)
  • Moved ObjectCache into an internal module. (9087337)

Ruby C-Extension

  • Updated amalgamations for PHP and Ruby. (c773dc9)
  • Ruby implement memsize functions for native types (#10291) (4902fc0)
  • Moved ObjectCache into an internal module. (9087337)
  • See also UPB changes below, which may affect Ruby C-Extension.

UPB (Python/PHP/Ruby C-Extension)

  • Ruby implement memsize functions for native types (#10291) (4902fc0)

Other

  • Disabled macOS 8.2, to match main. (9dfa2b6)

Protocol Buffers v25.3

15 Feb 23:20
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Announcements

  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Apple Privacy Manifest Requirement

  • [CPP] Add the privacy manifest to the C++ CocoaPod. (9d1bc10)
  • [ObjC] Add the privacy manifest to the ObjC CocoaPod. (cec08dc)
  • Add PrivacyInfo.xcprivacy (#15557) (cf87faa)

C++

Objective-C

  • [ObjC] Use a local to avoid warnings in 32bit builds. (9dc736d)

Python

  • Bump python version to 3.9 for gcloud 460.0.0 (17ec19d)

Ruby

  • Update Ruby GHA to test against Ruby 3.3. (25b1e81)
  • Pin bundler version to 2.4.22 for Ruby 2.7 support. (80b4586)

Protocol Buffers v26.0-rc2

06 Feb 19:04
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Pre-release

Announcements

  • This version includes breaking changes to: C++, Java, PHP, Python.
    • [PHP] Remove deprecated legacy class aliases. (#15709) (096e127)
    • [Java] Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
    • [Python] Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
    • [Python] Removed obsolete/duplicate setup.py from Python. (#15708) (5722aef)
    • [C++] Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

C++

  • Breaking change: Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
  • Rename the 'includingDefaultValueWithoutPresenceFields' and 'always_print_without_presence_fields' to 'alwaysPrintFieldsWithNoPresence' in the Cpp, Py and Java JSON serializers for consistency. (fc41e78)
  • Add new 'always_print_without_presence_fields' option to the C++ JSON serializer. (1f3bf1d)
  • Remove use of mach_absolute_time (#15554) (#15662) (8b0f6fd)
  • Check ctype() in DescriptorBuilder for edition 2023 and beyond. (0090f19)
  • Fail building descriptors if ctype is used for fields other than string or bytes. (624d65d)
  • [CPP] Add the privacy manifest to the C++ CocoaPod. (#15664) (e7888a1)

Java

  • Breaking change: Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
  • Rename the 'includingDefaultValueWithoutPresenceFields' and 'always_print_without_presence_fields' to 'alwaysPrintFieldsWithNoPresence' in the Cpp, Py and Java JSON serializers for consistency. (fc41e78)
  • Add a new 'includingDefaultValueWithoutPresenceFields' option to the Java parser which is intended to replace the current 'includingDefaultValueFields'. (043191b)
  • Force descriptor initialization of dependencies before internalUpdateFileDescriptor(). (#15718) (4dec1a7)
  • Correctly set maven-compiler-plugin to >= Java 1.8 per our minimum Java version (#15707) (6028cdb)
  • Update internalUpdateFileDescriptor() to synchronize setProto() and resolveAllFeatures() to avoid data races. (#15659) (225b080)

Objective-C

  • [ObjC] Use a local to avoid warnings in 32bit builds. (#15665) (394aec8)
  • [ObjC] Add the privacy manifest to the ObjC CocoaPod. (#15663) (935fcb7)

Python

  • Adhere to PEP 8 (#15127) (#15729) (3b92f4f)
  • Breaking change: Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (06e7cab)
  • Rename the 'includingDefaultValueWithoutPresenceFields' and 'always_print_without_presence_fields' to 'alwaysPrintFieldsWithNoPresence' in the Cpp, Py and Java JSON serializers for consistency. (fc41e78)
  • Add new including_default_value_without_presence_fields to Python JSON serializer. (c530216)
  • Breaking change: Removed obsolete/duplicate setup.py from Python. (#15708) (5722aef)

PHP

Ruby

  • Increased the size of the error message buffer by 4x, to 511 bytes. (#15728) (ab6bcba)
  • Move the RubyMessage.java JSON "include defaults" to use alwaysPrintFieldsWithNoPresence. (b5beba3)

UPB (Python/PHP/Ruby C-Extension)

  • Increased the size of the error message buffer by 4x, to 511 bytes. (#15728) (ab6bcba)

Other

Protocol Buffers v26.0-rc1

25 Jan 18:55
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Pre-release

Announcements

  • This version includes breaking changes to: C++, Java, PHP, Python, Ruby.
    • [C++] Make protobuf comply with the C++ layering check (a7b0421)
    • [C++] Remove const GetArena method on RepeatedPtrField (748ab16)
    • [C++] Disallow incorrect ctype usage (755b690)
    • [C++] Remove deprecated std::string error collector overrides (543fbcd)
    • [C++] Promote ExtensionRange to a proper class (5b12bc8)
    • [C++] Remove deprecated clear APIs on repeated fields (229906f)
    • [C++] Remove C++ legacy syntax descriptor APIs (cf2d696)
    • [C++] Remove deprecated syntax APIs (715b543)
    • [C++] Remove deprecated SupportsUnknownEnumValues method (0a6a516)
    • [Java] Remove unused helper methods for creating new mutable arraylists. (7874474)
    • [Java] Use Editions features in Java full runtimes. (65c65c2)
    • [Java] Stop generating the "newInstance" method. This is not used anymore. (c0d08bd)
    • [Java] Remove unused overload of AbstractMessageLite.addAll that worked on a Collection instead of a List. (3b9bd6d)
    • [Java] Remove obsolete runtime internalBuildGeneratedFileFrom which was for backwards compatibility with old gencode. (9310d2e)
    • [Java] Remove unnecessary overloads of methods: (94a2a44)
    • [Java] Remove unnecessary generated overrides for GeneratedMessage.Builder methods: (7bff169)
    • [Java] The base class for generated messages will be GeneratedMessage, not GeneratedMessageV3.
      (5df0387)
    • [Java] Remove deprecated runtime methods for compatibility with old v2.x.x gencode. (e555bd2)
    • [Java] Remove deprecated TextFormat print methods. These should be replaced by corresponding TextFormat.printer() methods. (dfb8a4c)
    • [Java] Lock down visibility for descriptor syntax APIs. (1aeacd4)
    • [Java] Make deprecated Java gencode PARSER variable private. (b4858b2)
    • [PHP] Validate UTF-8 in string setters, as previously announced. (d14dbbc)
    • [PHP] Remove support for PHP generic services (40ad3fa)
    • [Python] Made text_format output default to UTF-8. (bf00034)
    • [Python] Remove deprecated syntax accessor. (fd40c87)
    • [Python] Remove RegisterExtension in message class (4ebba68)
    • [Python] Reject extend repeated field with none iterable (Raise TypeError) (1658213)
    • [Python] Remove Deprecated APIs that add non top descriptor. (c51f111)
    • [Python] check if Timestamp is valid. (4f77929)
    • [Python] Remove msg.UnknownFields() support in pure python and cpp extension. (0eac77c)
    • [Ruby] Removed syntax and added has_presence?/is_packed?. (dbd4dce)
    • [Ruby] Fixed json_encode/json_decode to use the message's pool. (a8b8ea0)
    • [Ruby] Freeze is now recursive, affecting all sub-messages, maps, and repeated fields. (31313b1)
    • [Ruby] Fixed inconsistencies in Message#to_h, as previously announced. (fd69938)
    • [Ruby] Dropped support for Ruby DSL, as previously announced. (5cfc9e7)
    • [Ruby] Lock down visibility for descriptor syntax APIs. (1aeacd4)
    • [Ruby] Fixed json_encode/json_decode to use the message's pool. (a8b8ea0)
  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Compiler

C++

  • Correct type_resolver_util to set syntax=proto3 instead of syntax=proto2 on proto3 files. (040dde7)
  • Remove edition getter from C++ descriptor APIs (93b219f)
  • Breaking change: Remove const GetArena method on RepeatedPtrField (748ab16)
  • Breaking change: Disallow incorrect ctype usage (755b690)
  • Breaking change: Remove deprecated std::string error collector overrides (543fbcd)
  • Breaking change: Promote ExtensionRange to a proper class (5b12bc8)
  • Breaking change: Remove deprecated clear APIs on repeated fields (229906f)
  • Breaking change: Remove C++ legacy syntax descriptor APIs (cf2d696)
  • Fixed UTF-8 TextFormat output to protect against invalid UTF-8 in string fields. (1ac8c04)
  • Breaking change: Remove deprecated syntax APIs (715b543)
  • Fix DurationToMilliseconds mult overflow (17b8dd6)
  • Breaking change: Remove deprecated SupportsUnknownEnumValues method (0a6a516)
  • Have Arena::Create support arena constructible types (578e07e)
  • Enforce stricter version checks for Protobuf C++ by removing the notion of "minimal version of protoc/headers"; exact version match is required. (6eed7a2)
  • Compare explicit zeroes from prototext in partially. (8c24163)
  • Move the declarations in SerialArena to more closely match the style guide. (349122f)

Java

  • Drop Protobuf support for Android KitKat per EOL and add existing minimum Java 1.8 in Maven pom.xmls (303239d)
  • Breaking change: Remove unused helper met...

Protocol Buffers v25.2

09 Jan 23:52
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Announcements

  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

C++

  • Only substitute prefixes during installation setup. (05ad652)
  • Register a shutdown delete for C++ feature defaults (3d5c709)

Protocol Buffers v25.1

15 Nov 22:34
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Announcements

  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Python

  • Raise warnings for deprecated python syntax usages (74f5cf4)

Ruby

Protocol Buffers v25.0

01 Nov 22:50
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Announcements

  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Compiler

  • Implement proto2/proto3 with editions (3813b66)
  • Defines Protobuf compiler version strings as macros and separates out suffix string definition. (3c59585)
  • Add utf8_validation feature back to the global feature set. (153028d)
  • Setting up version updater to prepare for poison pills and embedding version info into C++, Python and Java gencode. (4322e00)
  • Merge the protobuf and upb Bazel repos (7286ffc)
  • Editions: Introduce functionality to protoc for generating edition feature set defaults. (4019e25)
  • Editions: Migrate edition strings to enum in C++ code. (f083ebf)
  • Create a reflection helper for ExtensionIdentifier. (4d5ab73)
  • Editions: Provide an API for C++ generators to specify their features. (e897bcf)
  • Editions: Refactor feature resolution to use an intermediate message. (57d8049)
  • Publish extension declarations with declaration verifications. (e72b0e1)
  • Editions: Stop propagating partially resolved feature sets to plugins. (b66ef4c)
  • Editions: Migrate string_field_validation to a C++ feature (1f95830)
  • Editions: Include defaults for any features in the generated pool. (15863ff)
  • Protoc: parser rejects explicit use of map_entry option (#13479) (8f59292)
  • Protoc: validate that reserved range start is before end (#13474) (3be00f7)
  • Protoc: support identifiers as reserved names in addition to string literals (only in editions) (#13471) (e701f4f)
  • Drop support for Bazel 5. (a80daa2)
  • Allow code generators to specify whether or not they support editions. (2176a14)

C++

  • Set PROTOBUF_EXPORT on InternalOutOfLineDeleteMessageLite() (#14434) (db89a51)
  • Update stale checked-in files (#14431) (ada0be8)
  • Apply PROTOBUF_NOINLINE to declarations of some functions that want it. (6e848b0)
  • Implement proto2/proto3 with editions (3813b66)
  • Make JSON UTF-8 boundary check inclusive of the largest possible UTF-8 character. (e80b8ec)
  • Reduce Map::size_type to 32-bits. Protobuf containers can't have more than (95d2b2e)
  • Defines Protobuf compiler version strings as macros and separates out suffix string definition. (3c59585)
  • Add ABSL_ATTRIBUTE_LIFETIME_BOUND attribute on generated oneof accessors. (e33e0d2)
  • Fix bug in reflection based Swap of map fields. (bef5b75)
  • Add utf8_validation feature back to the global feature set. (153028d)
  • Setting up version updater to prepare for poison pills and embedding version info into C++, Python and Java gencode. (4322e00)
  • Add prefetching to arena allocations. (fbdeb5a)
  • Merge the protobuf and upb Bazel repos (7286ffc)
  • Add ABSL_ATTRIBUTE_LIFETIME_BOUND attribute on generated repeated and map field accessors. (9a0a3cf)
  • Editions: Migrate edition strings to enum in C++ code. (f083ebf)
  • Workaround ICE on gcc 7.5 by not having one overload call the other one with a (0522054)
  • Create a reflection helper for ExtensionIdentifier. (4d5ab73)
  • Editions: Provide an API for C++ generators to specify their features. (e897bcf)
  • Add ABSL_ATTRIBUTE_LIFETIME_BOUND attribute on generated string field accessors. (18c338a)
  • Editions: Refactor feature resolution to use an intermediate message. (57d8049)
  • Fixes for 32-bit MSVC. (66cf6b1)
  • Publish extension declarations with declaration verifications. (e72b0e1)
  • Export the constants in protobuf's any.h to support DLL builds. (fd24b1b)
  • Implement AbslStringify for the Descriptor family of types. (230232a)
  • Add ABSL_ATTRIBUTE_LIFETIME_BOUND attribute on generated message field accessors. (064035c)
  • Editions: Stop propagating partially resolved feature sets to plugins. (b66ef4c)
  • Editions: Migrate string_field_validation to a C++ feature (1f95830)
  • Editions: Include defaults for any features in the generated pool. (15863ff)
  • Introduce C++ feature for UTF8 validation. (c7119e6)
  • Protoc: validate that reserved range start is before end (#13474) (3be00f7)
  • Remove option to disable the table-driven parser in protoc. (6d03f9b)
  • Lock down ctype=CORD in proto file. (b359e50)
  • Support split repeated fields. (5b5e5bf)
  • In OSS mode omit some extern template specializations. We have seen reports of (ab96824)
  • Automated rollback of commit adb2c4b. (0ea0052)
  • Allow code generators to specify whether or not they support editions. (2176a14)
  • Handle conflicting macros for FreeBSD (#13303) (2a95295)

Java

  • Implement proto2/proto3 with editions (3813b66)
  • Remove synthetic oneofs from Java gencode field accessor tables. (9ad2268)
  • Timestamps.parse: Add error handling for invalid hours/minutes in the timezone offset. (8f85138)
  • Defines Protobuf compiler version strings as macros and separates out suffix string definition. (3c59585)
  • Add ABSL_ATTRIBUTE_LIFETIME_BOUND attribute on generated oneof accessors. (ht...

Protocol Buffers v25.0-rc2

18 Oct 19:13
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Pre-release

Announcements

  • Protobuf News may include additional announcements or pre-announcements for upcoming changes.

C++

PHP

PHP C-Extension

  • Bump minimum PHP to 8.0 (b4abcef)