# ClickHouse Release 25.5

DevFeed: [ClickHouse Release 25.5](<https://devfeed.tech/articles/clickhouse-release-25-5-5123.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/clickhouse-release-25-05>)

Author: ClickHouse

Published: 2025-06-02T00:00:00Z

Content type: release

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [Apache Iceberg](<https://devfeed.tech/topics/apache-iceberg.md>), [parquet](<https://devfeed.tech/topics/parquet.md>), [JSON Feed](<https://devfeed.tech/topics/json-feed.md>)

Tags: [aws-glue](<https://devfeed.tech/tags/aws-glue.md>), [bug-fixes](<https://devfeed.tech/tags/bug-fixes.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [community](<https://devfeed.tech/tags/community.md>), [contributors](<https://devfeed.tech/tags/contributors.md>), [features](<https://devfeed.tech/tags/features.md>), [json](<https://devfeed.tech/tags/json.md>), [parquet](<https://devfeed.tech/tags/parquet.md>), [performance](<https://devfeed.tech/tags/performance.md>), [release](<https://devfeed.tech/tags/release.md>)

## AI overview

ClickHouse 25.5 is a monthly release with 15 new features, 23 performance optimizations, and 64 bug fixes. Highlights include the vector similarity index entering beta, Hive metastore catalog support for Iceberg tables, implicit tables in clickhouse-local, function-origin tracking, and Geo type support in the Parquet reader.

## Source excerpt

ClickHouse 25.5. The one where the vector similarity index moves into beta. Also support for the Hive metastore catalog for Iceberg tables, the ability to track when new functions were added to ClickHouse, implicit table in clickhouse-local, and more.