v20 was released some time ago, but my server still says: “Nextcloud 19.0.5 Your version is up to date.”. I’m on Stable channel.
I still receive app updates, but not the next major version. How can I fix this?
there is nothing to “fix”. if you wanna have a stable version then wait until it get provided to you in stable channel. if you wanna risk switch to beta channel and do the updates until you are at the 20.0.3RC.
also see my comment here: Was Nextcloud 20 shipped to all users? - #6 by kinimodmeyer