I just upgraded to 1.9.2, the first time I've upgraded SourceTree in a while. OMG. UGH!
First of all, "Flat View" is gone. This was pretty much by default view in the main window.. now? Gone!
Secondly, when I right-mouse click on a while in the last, the "Commit" option is GONE. All the other favorites are still there: Revert, Add, Log Selected (just listing the ones I use most) but my all time favorite: COMMIT has been removed?! (Yes, I know you can commit with the button at top and various other ways, but I often used the context menu and am a little confused as to why it's gone).
Why would you remove these things? I can't believe I'm the only user that misses them. 
