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[Ruby] Use-after-free: Map#[]= aliases a temporary String as the key, corrupting map keys under GC

Status: Open.

#29023 In protocolbuffers/protobuf;

· jeremy opened on Aug 5, 2026

2024 edition with nest_in_file_class = YES throws IllegalStateException when used in JUnit test

bug

untriagedauto added to all issues by default when created.auto added to all issues by default when created.

Status: Open.

#29012 In protocolbuffers/protobuf;

· zbrtr opened on Aug 4, 2026

Python enum types are still annotated incorrectly

bug

untriagedauto added to all issues by default when created.auto added to all issues by default when created.

Status: Open.

#29010 In protocolbuffers/protobuf;

· bcmills opened on Aug 4, 2026

C#: packed repeated uint32 lacks the preallocation present in the C++ codec

feature request

untriagedauto added to all issues by default when created.auto added to all issues by default when created.

Status: Open.

#28925 In protocolbuffers/protobuf;

· richardcocks opened on Jul 30, 2026

Feature request: option for JsonFormat.Printer to fail if unknown fields are encountered

feature request

json

Status: Open.

#28922 In protocolbuffers/protobuf;

· devinrsmith opened on Jul 30, 2026

Quadratic-time denial of service in text_format.Parse for recursive map fields

bug

python

Status: Open.

#28864 In protocolbuffers/protobuf;

· geo-chen opened on Jul 28, 2026

It seems there is a typo in C++ Arena Allocation Guide document.

feature request

Status: Open.

#28830 In protocolbuffers/protobuf;

· dyx2025 opened on Jul 27, 2026

upb parses float/double field defaults with locale-dependent strtod, breaking descriptor loading under a comma-decimal LC_NUMERIC

Status: Open.

#28796 In protocolbuffers/protobuf;

· dxqb opened on Jul 24, 2026

_message.pyd for Windows Python is missing NX and ASLR

38.x

bug

feature request

python

Status: Open.

#28688 In protocolbuffers/protobuf;

· EeroKurimo opened on Jul 20, 2026

[benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark)

Status: Open.

#28661 In protocolbuffers/protobuf;

· leo-gan opened on Jul 17, 2026

[benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark)

Status: Open.

#28660 In protocolbuffers/protobuf;

· leo-gan opened on Jul 17, 2026

[benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark)

Status: Open.

#28659 In protocolbuffers/protobuf;

· leo-gan opened on Jul 17, 2026