Update CHANGELOG.md

Author: matchish

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/)
 
 ## [Unreleased]
 
+## [7.0.0] - 2023-02-01
+### Changed
+- No duplicates in search on reindex anymore. updates/inserts will be visible only after reindex. For most projects should be ok but for some could be breaking changes
+
 ## [6.0.2] - 2022-06-16
 ### Added
 - Elasticsearch basic authentication support