I just installed SourceTree (v.3.3.6) on a new Dell XPS laptop running Win 10.
I found that the SourceTree UI fails to refresh after many things like file change, staging file, unstaging file, or comiting
It was not solved by uninstall or re-install
It was not solved by turning off then on the option: tools/options/general/refresh automatically when files change
I could not easily find relevant report with Google
So I have had to manage with frequent use of F5
By the way. Thanks for SourceTree. It's a wonderful tool!