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Release of Koha 26.05
12 Jun 2026, 10:39 AMKoha is built by the libraries that use it. Every release has improvements contributed by communities around the world, so the updates in the latest release benefit everyone. Here's what's new in Koha 26.05.
Koha library system is the world’s first open source, fully web-based collection management system, developed right here in Aotearoa. Owned by no one, driven by the collective, supported by Rōpū kohinga at Catalyst, and used by 30,000+ organisations worldwide.
Catalyst is delighted to join the Koha community in celebrating the release of Koha 26.05. This release contains two new features, 214 enhancements, and 365 bug fixes.
Koha 26.05 highlights
38207 Add vendor payment methods
17387 Add an undelete feature for items/biblios
32773 Have the ability to have more than 1 Fast Add framework
33857 Reduce and resize local cover images
41462 Koha objects namespace for OAI sets and biblios: Sponsored by Auckland University of Technology
41145 Logging patron attributes logs even if there’s no changes (26.05.00,25.11.01): Sponsored by Auckland University of Technology
36849 Add more tags to Elasticsearch mapping for title, title as phrase: Sponsored by Education Services Australia SCIS
36853 Enhance Elasticsearch Notes/Comments MARC21 index mappings: Sponsored by Education Services Australia SCIS
37099 Add uniform title fields to the title and subject Elasticsearch index mappings: Sponsored by Education Services Australia SCIS
38009 Add a generate next button in serials receive page: Sponsored by Pymble Ladies’ College
Thinking of upgrading?
If you're curious about Koha 26.05 or are thinking about what your library system needs, we'd love to hear from you. Send us a message.
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