This build implements a much requested option for all you users switching from other browsers. You can now get that Safari, Firefox, IE or <insert alternative browser of choice here> tab handling in Opera, too.

Changelog

• Added a new preference in Preferences > Advanced > Tabs which controls which tab to activate when closing a tab.

• Fixed crash when composing mail with empty signature
• Fixed crtash when emptying history and VPS was disabled
• css3 :target now works on targets identified using name attribute
• New spatnav highlighting, similar to the one used in Opera Mini 4 and the Wii browser
• iframes with contenteditable are now in in the tabbing order (Another gmail 2 fix)
• 64-bit: Again possible to open (image) attachments in mail
• Some more improvement to fast forward.
• Opera Link now works better when using Work offline
• Again possible to open links from widgets
• UNIX: Drag and drop now works properly in the ION window manager

More Here w/ download links