Announcements

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

Bazel

Add target_compatible_with parameter to proto_toolchain in Bazel rules (#22429) (30d2332)

Optimize ReadPackedVarint (3d94d83)
Add a macro to make RepeatedPtrField(Arena*) constructor private in a future release (6422b9d)
Add IsEmpty() function to reflection. (b64e490)
Refactor RuntimeAssertInBounds to remove repeated logic and make Get/Mutable easier to read. (2f270c4)
Disable symbol visibility enforcement by default in C++ runtime (ae308fc)
Fix a bug in the main C++ JSON parser/serializer camelcasing of certain non-style-compliant names incorrectly, in a way that would prevent it from interoperating with any other implementation on those fields. (e25e267)
Fail early for messages with more than 65k fields. (90824aa)
Add option to C++ JSON Parser/Serializer to allow customers to affirmatively disable legacy bug-compatibilty behaviors. (6ea1640)
Fix mishandling on JSON serialization of Timestamp with invalid negative and too-large nanos value. (a959f27)
Preserve features in type resolver (c7030f4)
Add a DCHECK that ArenaStringPtr::Set(char*, Arena*) is not called with (95b1763)

Slightly relax Java Poison Pill on prerelease versions (-rc1, -dev, etc). (7b0bee3)
Avoid boxing/unboxing varint, fixed32, and fixed64 fields in UnknownFieldSet.Field (810272f)
Readd new*List() methods on GeneratedMessageV3. (badaf41)
Add Values.of(Map<String, Value> values). (c518f25)
Fix handling of optional dependencies in java generator. (8d51e34)
Restore ABI compatibility for extension methods which was previously (knowingly) broken with 4.x: 94a2a44 (ea33ae8)
Restore Protobuf Java extension modifiers in gencode that were previously removed in 7bff169 (f2257f5)
Ship all option dependencies to plugins along with regular ones. (abeb130)
Optimize redaction state calculation (e05db5c)
Add isPlaceholder() accessors to file, message, and enum descriptors (f978ec2)
Improve Java gencode static initialization to avoid unnecessary temporaries again (745e15b)
Improve Java gencode static initialization to avoid unnecessary temporaries (b68b673)
Remove protobuf-util usages of guava except annotations. (5768acd)
Restore compatibility of runtime with pre-3.22.x gencode impacted by CVE-2022-3171 (7c51e5b)
Expose an iterator for GeneratedMessage.ExtendableMessage.extensions (b25d39e)

Publish s390x wheels for Python/upb. (56b2b89)
Fix a crash that happens during shutdown due to looking up modules in the cache (d57d270)
Add construction support for repeated Timestamp/Duration/Struct/ListValue. (5f6c013)
Fix handling of repeated extension fields in PyProto JSON (07ef676)
Fixed a parser bug where closed enums are parsed incorrectly for non-repeated extensions. (c36f728)
Fixed mypy errors by setting __slots__ to empty in .pyi files. (38ca2d3)
Raise warnings for float_precision from python json_format. (4659cd7)
Raise warnings when assign bool to int/enum field in Python Proto. This will turn into error in 34.0 release. (4ee55d7)

Fixed a parser bug where closed enums are parsed incorrectly for non-repeated extensions. (c36f728)

Use the 'better' JSON parser on the conformance suite harness. (4b4e405)
Add JSON conformance test that a single value provided for a repeated field should parse fail. (9806994)
Add conformance test cases for malformed nanos fields on Durations and Timestamps. (a6bdd0a)