generated: '2026-08-29' method: searched source: https://www.elastic.co/docs/release-notes/observability provider: Elastic Observability providerId: elastic-observability scheme: semver current_version: 9.5.2 cadence: >- Continuous — Elastic publishes a single rolling documentation set from Stack 9.0.0 onward, with release notes per minor and patch release. note: >- Elastic's Observability release-notes page groups entries by version but does not print a release date next to each heading, so no `date:` is recorded below. Omitting the field is the honest record; inventing dates from the release cadence would not be. entries: - version: 9.5.2 date: null breaking: false highlights: - Fixed metric threshold rule form display issues. - Resolved an APM agent configuration security vulnerability. - Corrected maintenance window status loading for read-only users. - version: 9.5.1 date: null breaking: false highlights: - Maintenance window visibility added in Synthetics monitor details. - Animated transitions for Streams data lifecycle phases. - Lifecycle configuration can be copied between streams. - version: 9.5.0 date: null breaking: false highlights: - Introduced the observability.investigation skill to Elastic Agent. - AI Agent became the default chat experience. - APM Service Map expanded with embeddable panels and filters. - OpenTelemetry collector capabilities folded into Elastic Agent — the EDOT Collector is no longer a separate component. notable_changes: - Streams "Retention" tab renamed to "Data lifecycle". - Attachments enabled for all stream types by default. - version: 9.4.5 date: null breaking: false highlights: - Fixed package policy deletion forwarding. - Synthetics monitors can reference maintenance windows by name. - version: 9.4.4 date: null breaking: false highlights: - Improved APM Traces table display. - Synthetics performance optimization. - Defensive API key checks for APM integration policies.