I haven’t verified the reporter’s bug. If message caching is broken, that is a reason to disable that feature in the package, not to remove the package entirely.
I am running Roundcube (not from this package yet, but I intend to switch to it) in a production ISP environment. Roundcube works great. It also ships as part of cPanel, which is used by a huge number of web hosts. We don’t use message caching, and I don’t think it is enabled by default in cPanel either. I use imapproxy on the Roundcube host for efficiency. I recently picked up maintainership of the imapproxy package in Debian. -- Richard
