# gRPC v1.84.2

> Networking & Messaging · 2026-10-30

A maintenance release with a denial-of-service fix for `Health Watch RPC`, alongside Python memory-leak fixes and authority-handling corrections. It also enables the host-mapping experiment by default.

## Check if affected
- **[security]** Health Watch RPC denial-of-service fix
  - Applies if you use `Health Watch RPC`.
  - The denial-of-service defect in `Health Watch RPC` is fixed in this release.

## Other recorded changes
- 5 (value_changed 3, added 1, defect_corrected 1)

[Full analysis](https://ratatosk.io/en/releases/grpc/v1.84.2)

[Original release notes](https://github.com/grpc/grpc/releases/tag/v1.84.2)