27 Sep 2022
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 21.05.19 can be downloaded from:
Installation instructions can be found at:
Koha 21.05.19 is a bugfix/maintenance release.
It includes 8 bugfixes.
You can learn about the system components (like OS and database) needed for running Koha here: https://wiki.koha-community.org/wiki/System_requirements_and_recommendations
[28610] Elasticsearch 7 - hits.total is now an object
Sponsored by Lund University Library
This is one of the changes to have Koha compatible with ElasticSearch 7. This one also causes the full end of compatibility with ElasticSearch 5. Users are advised to upgrade as soon as possible to ElasticSearch 7 since version 5 and 6 are not supported anymore by their developers.
The Koha manual is maintained in Sphinx. The home page for Koha documentation is
As of the date of these release notes, the Koha manual is available in the following languages:
The Git repository for the Koha manual can be found at
Complete or near-complete translations of the OPAC and staff interface are available in this release for the following languages:
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:
The release team for Koha 21.05.19 is
Release Manager: Tomás Cohen Arazi
Release Manager assistants:
QA Manager: Katrin Fischer
QA Team:
Topic Experts:
Bug Wranglers:
Packaging Manager: Mason James
Documentation Manager: David Nind
Documentation Team:
Translation Managers:
Wiki curators:
Release Maintainers:
We thank the following libraries, companies, and other institutions who are known to have sponsored new features in Koha 21.05.19
We thank the following individuals who contributed patches to Koha 21.05.19
We thank the following libraries, companies, and other institutions who contributed patches to Koha 21.05.19
We also especially thank the following individuals who tested patches for Koha
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.
The Koha project uses Git for version control. The current development version of Koha can be retrieved by checking out the master branch of:
The branch for this version of Koha and future bugfixes in this release line is 21.05.x.
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 27 Sep 2022 12:10:18.