v1.38.7 v1.39.4
envoyproxy/envoyOct 12, 2026 → Oct 12, 20260 days between releases
What's New
Extended race condition fixes to composite and filter chain filters.
Bug Fixes
- Fixed race conditions in composite filter configurations during RDS updates.
- Fixed race conditions in filter chain filter configurations during RDS updates.
- Fixed race conditions in AWS request signing and Lambda filters during RDS updates.
- Fixed race conditions in dynamic modules and SDS secret providers during RDS updates.
- Fixed Prometheus native histogram bucket indices to prevent underreporting.
Upgrade Notes
No configuration changes are required. The upgrade addresses race conditions in route configuration management across multiple filters. Ensure your RDS update workflows handle the stability improvements in AWS and composite filters.
The Two Releases
v1.38.7
Oct 12, 2026· 9 days ago
This release focuses on security updates and critical bug fixes, particularly addressing race conditions in AWS, dynamic modules, and local rate limiting configurations during route updates. It also includes a fix for Prometheus histogram reporting and bumps the Wasmtime dependency to address a specific CVE.
Full release notesv1.39.4
Oct 12, 2026· 9 days ago
This release focuses on critical bug fixes addressing race conditions in route configuration management across various filters and components, including AWS, composite, and filter chain filters. It also resolves issues with dynamic modules, local rate limiting, SDS secrets, and Prometheus histogram bucket indices.
Full release notes