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Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.

What’s new in version 2.6.6? [Full ChangeLog]

• libpurple
  • Fix ‘make check’ on OS X. (David Fang)
  • Fix a quirk in purple_markup_html_to_xhtml that caused some messages to be improperly converted to XHTML.
  • Set “controlling-mode” correctly when initializing a media session. Fixes receiving voice calls from Psi.
  • When looking up DNS records, use the type of record returned by the server (instead of the type we asked for) to determine how to process the record.
  • Fix an issue with parsing XML attributes that contain “<br>”. See ChangeLog.API for more details.

• General
  • Correctly disable all missing dependencies when using the –disable-missing-dependencies option. (Gabriel Schulhof)

• Gadu-Gadu
  • Fix display of avatars after a server-side change. (Krzysztof Klinikowski)

• AIM
  • Allow setting and displaying icons between 1×1 and 100×100 pixels. Previously only icons between 48×48 and 50×50 were allowed.

• MSN
  • Fix CVE-2010-0277, a possible remote crash when parsing an incoming SLP message. (Discovered by Fabian Yamaguchi)
  • File transfer requests will no longer cause a crash if you delete the file before the other side accepts.
  • Received files will no longer hold an extra lock after completion, meaning they can be moved or deleted without complaints from your OS.
  • Buddies who sign in from a second location will no longer cause an unnecessary chat window to open.
  • Support setting an animated GIF as a buddy icon.
  • Numerous code cleanups and memory savings.

• MySpace
  • Fix a leak and crash when retrieving buddy icons.

See Review Here