Very good it is too.
The made some impressive HTML5 core improvements too, and page loading speed is MASSIVELY improved over the already fast Opera 11.11.
Opera has released a new beta of its desktop browser, adding "extensions" to the Speed Dial page that appears each time you open a new browser tab. With the current stable version of Opera – version 11.10 – the Speed Dial page merely offers thumbnail links to off-visited webpages. With the new beta of version 11.50, you can …
The most recent change to the SpeedDial ("icons" instead of screenshots) works ok for the most part, but some websites don't have useful icons. That, and I got used to the various images of my various SpeedDial bookmarks... I'll get used to these, too, but I hope the change is less jarring.