# openHAB 4.0 Release

DevFeed: [openHAB 4.0 Release](<https://devfeed.tech/articles/openhab-4-0-release-16728.md>)

Original publisher: [Read original article](<https://openhab.org/blog/2023-07-23-openhab-4-0-release.html>)

Published: 2023-07-23T16:00:00Z

Content type: release

Language: en

Sources: [openHAB](<https://devfeed.tech/sources/openhab.md>)

Topics: [releases](<https://devfeed.tech/topics/releases.md>), [Java](<https://devfeed.tech/topics/java.md>), [Release notes](<https://devfeed.tech/topics/release-notes.md>), [GitHub](<https://devfeed.tech/topics/github.md>)

Tags: [bug-fixes](<https://devfeed.tech/tags/bug-fixes.md>), [contributions](<https://devfeed.tech/tags/contributions.md>), [contributors](<https://devfeed.tech/tags/contributors.md>), [github](<https://devfeed.tech/tags/github.md>), [improvements](<https://devfeed.tech/tags/improvements.md>), [java](<https://devfeed.tech/tags/java.md>), [new-features](<https://devfeed.tech/tags/new-features.md>), [release](<https://devfeed.tech/tags/release.md>), [release-notes](<https://devfeed.tech/tags/release-notes.md>), [releases](<https://devfeed.tech/tags/releases.md>)

## AI overview

openHAB 4.0 is a major release that adds UI support for transformation and persistence configuration, supports all supported scripting languages for transformations and profiles, improves Units of Measurement support, and upgrades the platform to Java 17. The release includes breaking changes, new add-ons, enhancements, and fixes, alongside substantial development activity across its repositories.

## Source excerpt

Java 17 brings a wealth of benefits to our user and especially our developers, including security enhancements, performance improvements and reduced memory usage as well as new language features and APIs.