Just select both commits (where the branches point to) in the Log and you will see the diff in the Files view.

Do I understand you correctly, that you want to add the same repository (= directory) to different repository groups? That won't be possible because we maintain a set of directories.

With SmartGit 17.1 preview 3 it becomes easier to create own themes: http://www.syntevo.com/blog/?p=4391.

Currently following option can be used to customize the cherry-pick-message: http://www.syntevo.com/doc/display/SG/System+Properties#SystemProperties-smartgit.cherryPick.shaPrefixproperties.smartgit.cherryPick.shaPrefix

Please distinguish between 2 windows and 2 instances. If 2 instances of SmartGit are running (with the same settings directory), this is a bug. But 2 or more windows is by-design.

Because the log already shows the stash commits, this request seems covered by http://smartgit.userecho.com/topics/27 and http://smartgit.userecho.com/topics/28.

Do you mean independent repositories or submodule repositories inside one outer repository?

Please vote for https://smartgit.userecho.com/topics/85

Implemented because now it can operate on the selected files.