Just tried the 1.6.3 upgrade and gave:
# bin/installto.sh /usr/local/cwpsrv/var/services/roundcube
Unsupported PHP version. Required PHP >= 7.3.
So since CWP still uses the obsolete PHP 7.1, we are limited to old version of RoundCube.
Is there an ETA when CWP might finally make it to PHPP 8.1, 8.2 or the new 8.3 RC?
No to mention 0.9.8.1170 is behind on it's PHP version now by quite a bit with 8.1 & 8.2.