## [3.6.3](https://github.com/grafana/loki/compare/v3.6.2...v3.6.3) (2025-12-11) ### Bug Fixes * Do not override S3 region if already specified in configuration chain (backport release-3.6.x) ([#20128](https://github.com/grafana/loki/issues/20128)) ([38582ac](https://github.com/grafana/loki/commit/38582ac8dcce1397580dddd1ecac51692bad7413)) * Fix regression in S3 client configuration (backport release-3.6.x) ([#20118](https://github.com/grafana/loki/issues/20118)) ([7d8176f](https://github.com/grafana/loki/commit/7d8176f4dd9c00ded84444360e31d7118abf66f0))