Elasticsearch 8.3.3 Release Notes: Bug Fixes, Enhancements, and Security Updates
Elasticsearch 8.3.3, a Java‑based distributed search engine built on Lucene, introduces a series of bug fixes across core infrastructure, mapping, monitoring, packaging, and security, as well as new security‑related enhancements such as OIDC idle‑connection handling.
Elasticsearch is a Lucene‑based distributed search engine that provides a multi‑tenant full‑text search service with an HTTP web interface and schema‑less JSON documents. It is developed in Java and released under the dual SSPL + Elastic License.
Version 8.3.3 has been released, bringing a collection of bug fixes, mapping adjustments, monitoring improvements, packaging corrections, security hardenings, and functional enhancements.
Bug Fixes
Infrastructure / Core
Added build_flavor to the info REST API response (issue #88336, related to #88318).
Mapping
Enforced maximum value limits only when running scripts (issue #88295).
Monitoring
Switched the cgroup memory field to a keyword type (issue #88260).
Packaging
Fixed Docker positional argument passing (issue #88584).
Security
Ensured CreateApiKey creates a new document (issue #88413).
Enhancements
Security
Added a new setting to close idle connections in the OIDC reverse channel (issue #8777).
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