You can now quote comments in issues and pull requests by choosing Quote reply from the comment’s options menu. This will paste quoted contents of the comment into the text field for the new comment. If part of a comment is selected, only that selection will be quoted. The keyboard shortcut for Quote reply is r.
GitHub Desktop 1.4 release
The release of GitHub Desktop 1.4 includes two important improvements:
You’ll now know before you click “Merge” whether you’re going to encounter merge conflicts between the branches you’re merging.
You’ll also be able to see what’s new in each release inside the app without having to go to the GitHub Desktop website.