0.7.90
* Many performance improvements
* Many memory improvements
* Many stability fixes
* Toolbar buttons added to Finder on OS X
* LAN sync

0.6.570
* Added better handling in event of an upload server failure
* Fixed small bug in OS X auto update code

0.6.567
* Fix involving Dropbox on 10.4
* Minor stability fix

0.6.565
* Potential fix to reports that menu bar icon became unresponsive on Snow Leopard (please try this build if you've been having problems with the menu bar icon and tell us if you still are!)
* Fix to rare issue involving Dropbox not syncing behind certain proxies (please try this build if you use a proxy!)
* Fix to Linux xlib crash
* Fix to issue that could prevent auto-starting on Linux
* Other small stability improvements

0.6.564
* New (prettier!) menu bar icon
* New 512×512 Dropbox app icon
* Full Snow Leopard support!

0.6.559
* Full Snow Leopard support!

0.6.557
* Fixed connection problem that affected a very small % of users

0.6.556 (released 29 Aug 2009) WindowsOS XLinux 64-bitLinux 32-bit
* Bug fixes.
* Stability and performance improvements.
* Windows non-admin install support.
* Better support for Windows 7/Snow Leopard.

0.6.550
* This build is now default installer! We'll be auto-updating everybody in the next week.

0.6.548
* Final installer changes

0.6.545
* More improvements to Windows installer
* Minor stability changes

0.6.543
* Minor stability changes

0.6.542
* If you're having trouble with the Windows installer, try this one!

0.6.538
* More changes to the Windows installer (Non-admin installs are re-enabled! Please test!

1. Workaround for buggy Mac OS X kernel that would cause missing of file events, related to hard links. (Thanks Frank R.!)
2. New b&w tray icon for Mac OS X.
3. Dropbox icon added for Linux notification system.
4. More improvements on startup time.
5. More minor stability enhancements.
6. Lots more bugfixes

http://dl.getdropbox.com/u/17/Dropbox%200.6.507.exe