After a bunch of l10n build problems, we’ve finally released Instantbird 1.4, which includes updates to libpurple 2.10.7 and Mozilla 20. In particular this includes:
If you’ve been using some other instant messaging client (e.g. Pidgin or Adium); I’d highly suggest giving Instantbird a try, especially if you also go on IRC. Instantbird has great IRC support! (And…if you do have issues, feel free to ping me in #instantbird on irc.mozilla.org and let me know what your issue is.)
You can download it here, or view the full release notes.