I upgraded my server from Ubuntu 18.04 to 20.04 because I am still on Nextcloud 23.0.12 but want to begin migrating to the latest version. I verified my server is now running Ubuntu 20.04.6 LTS using hostnamectl. Nextcloud 23 thankfully runs after the server upgrade, however it still thinks I am running Ubuntu 18.04. Can anyone advise why? I cleared cookies and cache from the browser but no success. Message from Settings-Overview is below. Thanks as always.
Ah, thank you! That makes complete sense that it is referring to the php package. I will follow your recommendations this weekend to update the php version when I have a bit more time. In the meantime, I marked this as “solved” since you clearly answered my original question. But the steps to follow to update php, which really was my goal, are immensely appreciated. Thanks again!