Titanium recently released next version of Titanium Studio with version name 2.0.2. This version have few improvements and 140 bugs address according to Appcelerator.
Highlights of this version (Ti Studio 2.0.2)
- Multi-line search
- File bugs and feature requests from inside Studio.
- Speed improvement in CSS parsing
- JavaScript has additional formatting options for placement of spaces around parentheses.
- Studio now uses the new platform -clean option where available.
- Studio on Windows has been upgraded to use Python 2.7.
- Local variables inside functions are back again in content assist.
You can also check more details here http://developer.appcelerator.com/blog/2012/05/announcing-titanium-studio-2-0-2.html