generated: '2026-06-20' method: searched source: https://www.elastic.co/docs/release-notes/elasticsearch scheme: semver current: 9.4.x breaking_changes: https://www.elastic.co/docs/release-notes/elasticsearch/breaking-changes notes: >- Recent window only; the live release notes are the source of truth. Elasticsearch ships as part of the Elastic Stack and maintains parallel 8.x and 9.x release trains. entries: - version: 9.4.x date: '2026-05' highlights: - Elasticsearch 9.4 powers the next phase of the Elastic AI platform (Agent Builder updates, Workflows GA). additions: true breaking: false - version: 9.3.4 date: '2026-04-30' highlights: - Elastic Stack 9.3.4 patch release. additions: false breaking: false - version: 8.19.15 date: '2026-04-30' highlights: - Elastic Stack 8.19.15 patch release (8.x maintenance train). additions: false breaking: false - version: 9.0.0 date: '2025-04-08' highlights: - First 9.x GA; single continuously-updated docs set for the 9.x series. - Behavioral Analytics deprecated; various 8.x deprecations removed. additions: true breaking: true