Nextcloud V20.0.8 & V21 testing - Update 24.03 stable

Nextcloud V21 is released and we already testing the version on our testsystems.   More infos about V21 GERMAN: https://www.heise.de/news/Nextcloud-Hub-21-Mehr-Tempo-und-neue-Tools-fuer-die-Zusammenarbeit-5061527.html ENGLISH: https://www.zdnet.com/article/nextcloud-21-arrives-with-ten-times-better-performance/     UPDATE 24.03.2021 All ...