# Upgrade Apache Jena to Version 5 series

**URL:** <https://forum.openrefine.org/t/upgrade-apache-jena-to-version-5-series/2253>\
**Category:** Design proposals\
**Created:** [April 17, 2025, 11:29pm UTC](https://forum.openrefine.org/t/upgrade-apache-jena-to-version-5-series/2253 "2025-04-17T23:29:22Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![tfmorris](https://dub1.discourse-cdn.com/flex017/user_avatar/forum.openrefine.org/tfmorris/32/17_2.png) [@tfmorris](https://forum.openrefine.org/u/tfmorris)\
**Post date:** [May 20, 2025, 1:17am UTC](https://forum.openrefine.org/t/upgrade-apache-jena-to-version-5-series/2253/6 "2025-05-20T01:17:20Z")

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> Maybe but I think there is more, I especially remembering cleaning up the API JSON response formats for various calls.

There's actually a comment from me on that thread about rationalizing response formats rather than just documenting the existing API:

[https://forum.openrefine.org/t/scheduling-breaking-changes-we-have-on-our-radar/1410/13](https://forum.openrefine.org/t/scheduling-breaking-changes-we-have-on-our-radar/1410/13)

Tom

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