Yes, checking the source package, reading the changelog to see if this was on purpose and get a feeling for the changes. I guess they were made upstream (0.8.12 -> 0.8.13), some files were deprecated and some few added.
-- Please merge irssi 0.8.13-1 (main) from Debian unstable (main) https://bugs.launchpad.net/bugs/372411 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
