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[C++] Redacted TextFormat output exposes Any payload when its descriptor is unavailable

bug

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

Status: Open.

#30048 In protocolbuffers/protobuf;

· kpavlov00 opened on Sep 21, 2026

JSON: non-ASCII decimal digits in quoted numeric fields accepted by Python and Java, rejected by C++

help wanted

wait for user action

Status: Open.

#29893 In protocolbuffers/protobuf;

· Syamjith-NK opened on Sep 19, 2026

protoc --csharp_out: .proto comment text escapes the generated /// comment via CR/NEL/LS/PS

Status: Open.

#29889 In protocolbuffers/protobuf;

· Trinity-SYT-SECURITY opened on Sep 19, 2026

MODULE.bazel: crate_universe usage without a lockfile breaks every bazel mod command for consumers

Status: Open.

#29866 In protocolbuffers/protobuf;

· filmil opened on Sep 18, 2026

[GLD Serializer Benchmark] C protobuf 3.12.4 — spec compliance misses

Status: Open.

#29792 In protocolbuffers/protobuf;

· leo-gan opened on Sep 14, 2026

Request a custom option extension number for Wire

Status: Open.

#29775 In protocolbuffers/protobuf;

· Davidknp opened on Sep 14, 2026

CI hardening: SHA-pin bazel-contrib actions in release workflows

documentation

feature request

Status: Open.

#29769 In protocolbuffers/protobuf;

· Mohamed-elnady opened on Sep 13, 2026

[Python] 10 MB grpc.aio request latency regression from protobuf 4.25.8 to 6.33.6

bug

keep openkeep inactive issues open for janitorkeep inactive issues open for janitor

wait for user action

Status: Open.

#29708 In protocolbuffers/protobuf;

· jeffreywang88 opened on Sep 10, 2026

[C#] FileDescriptor.GetAllDependedExtensions' extension cache is not thread-safe, causes Dictionary corruption under concurrent FromGeneratedCode calls

bug

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

Status: Open.

#29696 In protocolbuffers/protobuf;

· MENNAELMESALMY opened on Sep 10, 2026

Python upb: empty extended slice in del repeated_field[start:stop:step] performs an out-of-bounds memmove

Status: Open.

#29672 In protocolbuffers/protobuf;

· Asmatan opened on Sep 9, 2026

[Python] Null pointer dereference (SIGSEGV) in _message.abi3.so on s390x (big-endian) at process startup — regression from 6.31.1 → 6.32+

bug

python

wait for user action

Status: Open.

#29651 In protocolbuffers/protobuf;

· gayathri-alageswaran opened on Sep 8, 2026

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

Status: Open.

#29582 In protocolbuffers/protobuf;

· leo-gan opened on Sep 4, 2026