docs: add v4.22.0 changelog entry

g-despot · claude · g-despot · commit 42989f1d04d8 · 2026-06-17T14:03:26.000+02:00
1.38 support — new Boost API for query-time relevance tuning.

Co-Authored-By: Claude Opus 4.8 (1M context) &lt;noreply@anthropic.com&gt;
diff --git a/docs/changelog.rst b/docs/changelog.rst
@@ -1,6 +1,13 @@
 Changelog
 =========
 
+Version 4.22.0
+--------------
+This minor version includes:
+    - Support for new 1.38 features:
+        - Add support for the new Boost API for fine-grained, query-time relevance tuning — a ``boost`` parameter is now available across the vector, keyword (``bm25``), and ``hybrid`` query and generative-query methods
+        - The ``Boost`` factory (exported from ``weaviate.classes.query`` alongside ``BoostReturn``) provides ``numeric_property``, ``filter``, ``numeric_decay``, ``time_decay``, and ``blend`` boosts, each with optional ``depth`` and ``weight`` controls
+
 Version 4.21.3
 --------------
 This patch version includes:
