General:
        Our bundled libgadu should now build on HP-UX.
        Fix some instances of file transfers never completing. (Cristi Posoiu) (#12472) 

    Pidgin:
        Sort by Status no longer causes buddies to move around when you click them.
        Fix embedding in the system tray on older GTK+ releases (such as on CentOS 5.5 and older Fedora).
        No longer require libstartup-notification for startup notification support. GTK+ has included support for years, so use it instead. (David Benjamin) (#13245) 

    AIM:
        Fix a bug where some buddies from your buddy list might not show up. Affected non-English ICQ users the most. (#13386)
        Send keepalives for all types of network connections. Will hopefully make chat rooms more reliable. (#1449) 

    MSN:
        Fix bug that prevented added buddies to your buddy list in certain circumstances. (#13298) 

    XMPP:
        Fix building on platforms with an older glib (inadvertantly broken in 2.7.10). (#13329)
        Don't treat the on-join status storms as 'new arrivals'. (Thijs Alkemade) (#a14527)
        Extend the /join command to support room JIDs, enabling you to join a room on any server. (Solarius, Matěj Cepl, Tirtha 'wyuka' Chatterjee) (#4526)
        Add support for receiving a limited amount of history when joining a room (not currently supported by Pidgin and Finch). (Thijs Alkemade) (#10986, #a14219) 

    Yahoo!/Yahoo! JAPAN:
        Fix CVE-2011-1091, denials of service caused by NULL pointer dereferences due to improper handling of malformed YMSG packets. Thanks to Marius Wachtler for reporting this and reviewing the fix!