# Envoy v1.39.4

> Networking & Messaging · 2026-10-12

A maintenance release fixes concurrency races in route and shared configuration handling. It also corrects Prometheus native histogram bucket indices; no operator configuration changes are stated.

## Other recorded changes
- 7 (defect_corrected 7)

[Full analysis](https://ratatosk.io/en/releases/envoy/v1.39.4)

[Original release notes](https://github.com/envoyproxy/envoy/releases/tag/v1.39.4)