Pidgin (ver. 2.4.3)

Pidgin (aka Gaim) is a multi-protocol instant messenger client for Unix, Linux, and Windows.

About this version
libpurple:
* Yahoo! Japan now uses UTF-8, matching the behavior of official clients
and restoring compatibility with the web messenger (Yusuke Odate)
* Setting your buddy icon once again works for Yahoo! accounts.
* Fixes in the Yahoo! protocol to prevent a double free, crashes on aliases, and alias functionality
* Fix crashes in the bonjour protocol
* Always use UTF-8 for Yahoo! (#5973)
* Fix a crash when the given jabber id is invalid.
* Make the IRC "unknown message" debugging messages UTF-8 safe.
* Fix connecting to ICQ
* Fix a memleak when handling jabber xforms.

Pidgin:
* Include the send button plugin in the win32 build
* Various memory leak fixes