I have installed roundcube 1.6.10 docker and ii got some issues regarding space. With 1.4.3 it's working....
Roundcube 1.4.3
dump $quota = Array ( [used] => 115732 [total] => 4194304 [percent] => 3 [free] => 97 [all] => Array ( ) )
RoundCube 1.6.10
dump $quota = Array ( [used] => 118509568 [total] => 4194304 [percent] => 100 [free] => 0 [all] => Array ( [user] => Array ( [storage] => Array ( [used] => 118509568 [total] => 4194304 ) ) ) )
repquota -s| grep xxxxxx
aptsmc -- 114M 4096M 4096M 35 0 0
doveadm quota get -u xxxxx
Quota name Type Value Limit %
user STORAGE 118509568 4194304


I have installed roundcube 1.6.10 docker and ii got some issues regarding space. With 1.4.3 it's working....
Roundcube 1.4.3
dump $quota = Array ( [used] => 115732 [total] => 4194304 [percent] => 3 [free] => 97 [all] => Array ( ) )
RoundCube 1.6.10
dump $quota = Array ( [used] => 118509568 [total] => 4194304 [percent] => 100 [free] => 0 [all] => Array ( [user] => Array ( [storage] => Array ( [used] => 118509568 [total] => 4194304 ) ) ) )
repquota -s| grep xxxxxx
aptsmc -- 114M 4096M 4096M 35 0 0
doveadm quota get -u xxxxx
Quota name Type Value Limit %
user STORAGE 118509568 4194304