Your comments
I had hoped for a better suggestion. IMHO, tree views for showing directories and files are a - err - suboptimal approach.
There is no exact date. Does the intermediate build work fine for you?
In build 13202 you can set the low-level property ui.fonts.useDefaultAsInfo to true to get this effect.
This will be fixed in build 13202.
What operating system at what resolution (pixels/dpi) you are using?
BTW, on Windows 10 it is possible to enter emojis using Windows+. (dot key).
Just curious: for what reason you would like to have emoji-support? For commit messages?
Customer support service by UserEcho
Sorry, there is no support yet for such binary-to-text conversion tools in SmartGit, but you could use any third-party compare GUI tool that is able to directly compare these files.