Yosemite/XCode 6.1 Freezes when every time I click in "images.xcassets"
After updating my XCode to version 6.1 in my Yosemite , the IDE freezes every time I click in "images.xcassets". I've already closed my project, created a new one, and the result is the same when I click in "images.xcassets" on the left side.
MacBook Pro, OS X Yosemite (10.10)