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ClickHouse/ClickHouse Blog/25.11

25.11

ClickHouse Release 25.11

December 4, 2025ClickHouse BlogView original ↗
$npx -y @buildinternet/releases show rel_jjOfrAd9B8LQ3hUmzCtt0

ClickHouse 25.11 is here! In this post, you will learn about parallel merge for small GROUP BY, projections as secondary indices, and more!

Fetched April 14, 2026