[Koha] Koha security release available ⚠

[Victor Grousset/tuxayo]

Hello! :)

The Koha Community is happy to announce the release of Koha 21.05.12, 
20.11.16, 19.11.27.

The previous release of 21.11.03 already contained the fixes.
Users are advised to upgrade their Koha to these versions

The full release notes can be found at:
https://koha-community.org/koha-21-05-12-released
https://koha-community.org/koha-20-11-16-released/
https://koha-community.org/koha-19-11-27-released/

The latest Koha packages and tarballs are ready.

Thanks to everyone involved :)

-- 
Victor Grousset/tuxayo