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+## v26.1.0-rc.1
+
+Release Date: January 22, 2026
+
+{% include releases/new-release-downloads-docker-image.md release=include.release %}
+
+<h3 id="v26-1-0-rc-1-bug-fixes">Bug fixes</h3>
+
+- Fixed a bug where concurrent updates to a table using multiple column families during a partial index creation could result in data loss, incorrect NULL values, or validation failures in the resulting index. [#166324][#166324]
+
+[#166324]: https://github.com/cockroachdb/cockroach/pull/166324
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