# gRPC v1.85.1

> Networking & Messaging · 2026-10-30

A maintenance release with a denial-of-service fix in `Health Watch RPC`, an AsyncIO client-streaming memory-leak correction, and a core HPACK handling update. The recorded security fix concerns deployments that use `Health Watch RPC`.

## Check if affected
- **[security]** `Health Watch RPC` denial-of-service fix
  - Applies if you use `Health Watch RPC`.
  - The release fixes a denial-of-service issue in `Health Watch RPC`. This fix ships in v1.85.1.

## Other recorded changes
- 2 (value_changed 1, defect_corrected 1)

[Full analysis](https://ratatosk.io/en/releases/grpc/v1.85.1)

[Original release notes](https://github.com/grpc/grpc/releases/tag/v1.85.1)