Here's a list of most important changes:
- solved a compatibility problem with ZoneAlarm (WinXP)
- added WebRep Chrome extension
- improved installation of the WebRep plugins (especially Firefox)
- various fixes and improvements in the avast sandbox
- setup programs now smaller by ~20%
- Community features and the Welcome screen can now be turned on/off directly from program settings
- solved a compatibility problem with Outpost firewall
- solved a bug related to the AutoSandbox offer (WinXP)
- gadget can now be removed by simply closing it
- solved a compatibility problem with GameGuard and sXe
- SafeZone improvements
- improved sandbox logging
- SafeZone is now a standalone setup package (can be installed/uninstalled separately)
- improvements in password processing
- improvements in the program uninstaller
- solved a memory leak in the avast gadget
- fixes in the File System Shield transient cache
- various stability/compatibility improvements
http://forum.avast.com/index.php?topic=76488.0