[Koha] Koha 21.05.21 released

Hello! :-) The Koha Community is happy to announce the release of Koha 21.05.21 The full release notes can be found at: https://koha-community.org/koha-21-05-21-released/ Debian packages should be available shortly. Thanks to everyone involved :-) Cheers, -- Victor Grousset/tuxayo