• [CHANGE] Added startup probe to Prometheus. #4433 #4369
• [FEATURE] Added support for mute time intervals in the AlertManagerConfig CRD. #4388
• [FEATURE] Added support for new matching syntax in the routes configuration of the AlertmanagerConfig CRD. #4332
• [FEATURE] Added support for new matching syntax in the inhibit rules configuration of the AlertmanagerConfig CRD. #4329
• [FEATURE] Added headers in the Remote Read configuration of the Prometheus CRD. #4323
• [FEATURE] Added retryOnRateLimit in the Remote Write configuration of the Prometheus CRD. #4420
• [FEATURE] Added support for PagerDuty links and images in the AlertManagerConfig CR. #4425
• [ENHANCEMENT] Optimized the generated Prometheus configuration to make it compatible with the new Prometheus agent mode. #4417
• [BUGFIX] Improved validation for the Alertmanager CRD to match with upstream Alertmanager. #4434
• [BUGFIX] Fixed propagation of annotations from spec.podMetadata to the StatefulSet's pods. #4422
• [BUGFIX] Ensured that group_by values are unique in the generated Alertmanager configuration. #4413
• [BUGFIX] Fixed generated secrets being larger than the maximum size limit of 1048576 bytes. #4427 #4449