# ClickHouse Release 25.3

DevFeed: [ClickHouse Release 25.3](<https://devfeed.tech/articles/clickhouse-release-25-3-5120.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/clickhouse-release-25-03>)

Author: ClickHouse

Published: 2025-03-27T00:00:00Z

Content type: release

Language: en

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

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [AWS Glue](<https://devfeed.tech/topics/aws-glue.md>), [JSON](<https://devfeed.tech/topics/json.md>), [Apache Iceberg](<https://devfeed.tech/topics/apache-iceberg.md>), [Caching](<https://devfeed.tech/topics/caching.md>), [data](<https://devfeed.tech/topics/data.md>), [elasticsearch](<https://devfeed.tech/topics/elasticsearch.md>), [MongoDB](<https://devfeed.tech/topics/mongodb.md>)

Tags: [apache-iceberg](<https://devfeed.tech/tags/apache-iceberg.md>), [apache-iceberg-tables](<https://devfeed.tech/tags/apache-iceberg-tables.md>), [aws](<https://devfeed.tech/tags/aws.md>), [aws-glue](<https://devfeed.tech/tags/aws-glue.md>), [cache](<https://devfeed.tech/tags/cache.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [compression](<https://devfeed.tech/tags/compression.md>), [database](<https://devfeed.tech/tags/database.md>), [elasticsearch](<https://devfeed.tech/tags/elasticsearch.md>), [json](<https://devfeed.tech/tags/json.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [release](<https://devfeed.tech/tags/release.md>)

## AI overview

ClickHouse 25.3 introduces 18 features, 13 performance optimizations, and 48 bug fixes. The release adds AWS Glue and Unity catalog support, a query condition cache, automatic S3 query parallelization, new array functions, and a production-ready JSON data type.

## Source excerpt

ClickHouse 25.3 is out! In this post, we highlight expanded Lakehouse catalog support with AWS Glue and Unity, the new query condition cache, automatic parallelization for external data sources, two new handy functions--and the GA of our new JSON type.