# Release 308

DevFeed: [Release 308](<https://devfeed.tech/articles/release-308-8607.md>)

Original publisher: [Read original article](<https://trino.io/blog/2019/04/12/release-308.html>)

Published: 2019-04-12T00:00:00Z

Content type: release

Language: en

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

Topics: [releases](<https://devfeed.tech/topics/releases.md>)

Tags: [data](<https://devfeed.tech/tags/data.md>), [performance](<https://devfeed.tech/tags/performance.md>), [release](<https://devfeed.tech/tags/release.md>), [release-notes](<https://devfeed.tech/tags/release-notes.md>)

## AI overview

Release 308 improves ORC-reading performance, adds authorization checks for SHOW COLUMNS, and introduces limit pushdown for JDBC-based connectors.

## Source excerpt

This version includes significant performance improvements when reading ORC data, authorization checks for SHOW COLUMNS, and limit pushdown for JDBC-based connectors. Release notes Download