Fwd: Update Kolab16 on Debian 10 broken? still broken?

[hede]

Hello Matthias,

Am 17.08.2022 06:56, schrieb Matthias Busch:
> Hey,
> 
> I have a few Kolab 16 Installations running on Debian 10.
> Installed in summer 2021...
> 
> Ive been trying to update (apt-get upgrade) them for a while now. But
> for at least half a year now, I cant install updates.
> 
> First run seems to work, but there are withheld packages, and webmail
> cant find mailboxes anmyore. Ive tried keeping or replacing the
> /etc/roundcubemail/defaults.inc.php file, seems not to matter
> [...]

remove all roundcube packages including core and all plugins. There was 
some cleanup and roundcube 1.5 with all its plugins is now one package.

Don't purge the configs, they will get reused.

(as always: backups don't harm - at least for the roundcube-configs it 
makes sense here)

regards
hede