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llucax merged 1 commit into from
Oct 6, 2026
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Reset release notes #280

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12 changes: 7 additions & 5 deletions RELEASE_NOTES.md
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## Summary

This release adds support for protobuf 7 and fixes HTTP/2 keep-alive, which was never actually enabled.
<!-- Here goes a general summary of what this release is about -->

## Upgrading

- The protobuf requirement is now `>=5.29.2,<8`, allowing protobuf 7 while retaining support for protobuf 5 and 6.
<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->

## Bug Fixes
## New Features

<!-- Here goes the main new features and examples or instructions on how to use them -->

- HTTP/2 keep-alive is now actually enabled. `grpc.keepalive_time_ms` and `grpc.keepalive_timeout_ms` were computed with `timedelta.total_seconds() * 1000` and therefore passed as `float`. gRPC silently ignores channel arguments that are neither `int` nor `str`, so no keep-alive pings were ever sent and a client could only detect a dead stream through its own deadline or a teardown sent by the peer.
## Bug Fixes

Note that keep-alive pings are answered by the nearest HTTP/2 peer. Where a proxy terminates HTTP/2, successful pings prove that hop is alive, not the backend, so a stream deadline is still needed to detect an orphaned upstream stream.
<!-- Here goes notable bug fixes that are worth a special mention or explanation -->