New features

• On 64 Bit windows platforms java 64 bit is automatically downloaded and installed if not found.
• New file browser option: Files of other computers and unsynchronized files can now be viewed.
• UDT / Hole punching protocol now fully supported on 64 bit platforms: http://www.powerfolder.com/wiki/UDT_Connections
• Mac version now supports automatic increase of memory limits: http://www.powerfolder.com/wiki/Memory_configuration

Improvements

• Folder tab is now start tab.
• Improved drag and drop support: Simply drop a directory into PowerFolder to share, sync or backup that directory.
• Backup (Source) mode now uses instant change detection: http://www.powerfolder.com/wiki/Instant_change_detection
• The file archive is now easier reachable in the user interface: http://www.powerfolder.com/wiki/File_Archive
• All system tray notification popups now directly open the correct wizard when clicking them.
• Introduced a new type of protocol which reduced the overhead traffic by 50-70%. The new client is still downward compatible.
• Speed improvements when transferring many small files.
• Synchronization of the "Documents" folders on Windows XP is handled better: PowerFolder now by default excludes the sub directories "My Pictures", "My Music" and "My Videos". These can be optionally selected separately.

Bugfixes

• Corrected synchronization when directories with temporary/meta files like "Thumbs.db" or ".DS_Store" in it get deleted.
• Corrected recovery from MD5-Hashsum problems after download. http://www.powerfolder.com/wiki/Delta_sync
• Many speed improvements and bug fixes of the file browser.
• Now correctly handles invitation when folder with the same name already exists.