I’m running Nextcloud 19.0.6 Stable with
Ubuntu 18.04
PHP 7.4.13
mysql 5.7.32
and get no proposal to update to Nextcloud 20.
The system requirements for Nextcloud 20 say
"Operating System Ubuntu 20.04 LTS (recommended)
Does anybody know if Ubuntu 20.04 is not just “recommended” but required?