Elasticsearch 8.17
Current patch release: 8.17.10
Active
Released
December 11, 2024
Active Support
Ongoing
End of Life
Not announced
Latest Patch
8.17.10 (August 5, 2025)
About Elasticsearch 8.17
Elasticsearch 8.17 introduced native vector search, improved security defaults (HTTPS and authentication enabled by default), and the new Elasticsearch Relevance Engine for AI/ML.
Key Changes in Elasticsearch 8.17
- ●Native vector search with kNN (k-nearest neighbor) for semantic search and AI applications
- ●Security enabled by default: TLS and basic authentication out of the box
- ●Elasticsearch Relevance Engine (ESRE) for combining BM25 with vector search
- ●Improved indexing performance (up to 20% faster)
- ●Fleet and Elastic Agent integration for simplified data collection
Breaking Changes
- ▲Security enabled by default (breaking for scripts that connected without auth)
- ▲High-level REST client deprecated in favor of new Java client
- ▲Several deprecated APIs removed
Elasticsearch 8.17 is currently under active support, released on December 11, 2024. It receives regular bug fixes, security patches, and may still get minor feature additions. The latest patch release is 8.17.10 (August 5, 2025).
All Elasticsearch Versions
| Version | Released | EOL | Latest | Status |
|---|---|---|---|---|
| 9.3 | February 3, 2026 | TBD | 9.3.1 | Active |
| 9.2 | October 21, 2025 | TBD | 9.2.6 | Active |
| 9.1 | July 23, 2025 | TBD | 9.1.10 | Active |
| 8.19 | July 23, 2025 | July 15, 2027 | 8.19.12 | Active |
| 8.18 | April 10, 2025 | October 21, 2025 | 8.18.8 | End of Life |
| 9.0 | April 8, 2025 | TBD | 9.0.8 | Active |
| 8.17 (current page) | December 11, 2024 | TBD | 8.17.10 | Active |
| 8.16 | November 8, 2024 | April 15, 2025 | 8.16.6 | End of Life |
| 7 | April 10, 2019 | January 15, 2026 | 7.17.29 | End of Life |
| 6 | November 14, 2017 | February 10, 2022 | 6.8.23 | End of Life |
Frequently Asked Questions
When was Elasticsearch 8.17 released?
Elasticsearch 8.17 was released on December 11, 2024.
What is the latest patch version of Elasticsearch 8.17?
The latest patch release is 8.17.10, released on August 5, 2025.
Related Resources
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