RELEASE NOTES FOR KOHA 25.05.15

25 Sep 2026

Koha is the first free and open source software library automation package (ILS). Development is sponsored by libraries of varying types and sizes, volunteers, and support companies from around the world. The website for the Koha project is:

Koha 25.05.15 can be downloaded from:

Installation instructions can be found at:

Koha 25.05.15 is a security release.

It includes 6 security bugfixes.

System requirements

You can learn about the system components (like OS and database) needed for running Koha on the community wiki.

Security bugs

Bugfixes

Documentation

The Koha manual is maintained in Sphinx. The home page for Koha documentation is

The Git repository for the Koha manual can be found at

Translations

Complete or near-complete translations of the OPAC and staff interface are available in this release for the following languages:

- Arabic (ar_ARAB) (92%) - Armenian (hy_ARMN) (100%) - Azerbaijani (64%) - Bulgarian (bg_CYRL) (100%) - Chinese (Simplified Han script) (83%) - Chinese (Traditional Han script) (97%) - Czech (67%) - Dutch (89%) - English (100%) - English (New Zealand) (61%) - English (USA) - Finnish (99%) - French (100%) - French (Canada) (99%) - German (100%) - Greek (66%) - Hindi (94%) - Italian (82%) - Khmer (Central) (57%) - Norwegian Bokmål (71%) - Persian (fa_ARAB) (93%) - Polish (100%) - Portuguese (Brazil) (99%) - Portuguese (Portugal) (88%) - Russian (93%) - Slovak (59%) - Spanish (98%) - Swedish (89%) - Telugu (65%) - Turkish (80%) - Ukrainian (74%) - Uzbek (62%) - Western Armenian (hyw_ARMN) (60%)

Partial translations are available for various other languages.

The Koha team welcomes additional translations; please see

For information about translating Koha, and join the koha-translate list to volunteer:

The most up-to-date translations can be found at:

Release Team

The release team for Koha 25.05.15 is

Credits

We thank the following individuals who contributed patches to Koha 25.05.15

- Paul Derscheid (1) - Jonathan Druart (5) - Martin Renvoize (1) - Hammat Wele (1) - Wainui Witika-Park (1)

We thank the following libraries, companies, and other institutions who contributed patches to Koha 25.05.15

- [Catalyst](https://www.catalyst.net.nz/products/library-management-koha) (1) - Koha Community Developers (5) - [LMSCloud](https://www.lmscloud.de) (1) - [OpenFifth](https://openfifth.co.uk) (1) - [Solutions inLibro inc](https://inlibro.com) (1)

We also especially thank the following individuals who tested patches for Koha

- Nick Clemens (1) - David Cook (4) - Andrew Fuerste-Henry (1) - Sanjar Tulkinov Anvar o'g'li (1) - Martin Renvoize (3) - Phil Ringnalda (4) - Wainui Witika-Park (8)

We regret any omissions. If a contributor has been inadvertently missed, please send a patch against these release notes to koha-devel@lists.koha-community.org.

Revision control notes

The Koha project uses Git for version control. The current development version of Koha can be retrieved by checking out the main branch of:

The branch for this version of Koha and future bugfixes in this release line is 25.05.x

Bugs and feature requests

Bug reports and feature requests can be filed at the Koha bug tracker at:

He rau ringa e oti ai. (Many hands finish the work)

Autogenerated release notes updated last on 25 Sep 2026 02:02:16.