Opera 7.20 beta 5 (build 3073) changelog
(beta 5 -> beta 4):   
-----------------------------------------

UI: 
- Fix "..." in the title bar/page bar instead of an url when no title or an image 
- Fix for clock 
- Use multiple columns in page-cycler popup window if cannot fit all pages into one column 
- Fix for FastForward in slideshows 

Display: 
- Fixed crash when clicking a[onclick]:after 
- Fix for WMP playing in background 
- Disallow color values without '#' prefix in strict mode 
- Fix for redraw problem in framed pages and M2 

Mail: 
- Fixed handling of long internationalized headers in email (RFC 2231) 
- Fixed a spacestuffing problem in email 

Other: 
- Fix for IPv6 case insensitive addresses 
- Fixed an IP address problem in Winsock2 for Windows 9x 
- Fix for a Java POST problem 
- Fix for resuming dropped transfers 
- Fix for "Plugins directory wrongly set - plugins not working"