Library

protobuf v36.1

Versionv36.1
Stars★ 71,866
Released2026-08-31

Protocol Buffers - Google's data interchange format

Release notes

# Announcements
* [Protobuf News](https://protobuf.dev/news/) may include additional announcements or pre-announcements for upcoming changes.

# Csharp
* Allow later enum aliases to overwrite in C# custom JSON enum mapping. (https://github.com/protocolbuffers/protobuf/commit/cc7e6bd557dc9a9d4b984314d6456f2a3ad78570)

# Rust
* Update README files for each crate. (https://github.com/protocolbuffers/protobuf/commit/e64a176925c0b1978bd6d14853605df384d60493)
* Include runtime version details in assertion error messages. (https://github.com/protocolbuffers/protobuf/commit/fecb404dc83e3f6fd0760fd1eb18332bddd701e9)
* Drop special treatment of rust versions below 4.33. (https://github.com/protocolbuffers/protobuf/commit/1312f3bb3d9f515b19e16f273f70d518b7cbba81)
* Invert the relationship between rust crates (https://github.com/protocolbuffers/protobuf/commit/fbf3069a7a29be3ecda2cea3455ec26895d3f81f)

# Python
* Optimize pure Python parse path for custom JSON enum names. (https://github.com/protocolbuffers/protobuf/commit/333846acf4aec1392fdc15be64d12d6da3a220fd)
* Additional unit tests for Python handling of custom JSON enum names. (https://github.com/protocolbuffers/protobuf/commit/210324cac0f39d68db09d873afd23591255bf125)

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Discovered 2026-09-01 Source GitHub Archive 2026-09 →