Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, and Zephyr. Pidgin can be extended using plugins.
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 (#6220)
Fix a memleak when handling jabber xforms.
Pidgin:
Include the send button plugin in the win32 build
Various memory leak fixes