The old commit becomes orphaned in your local workspace. The new, amended commit replaces the previous commit at the tip of the currently selected branch. As such, it is more accurate to say the git ...

Quick Fix If you need to fix the last commit, it is pretty easy. It helps to notice what the ID of each commit is. There’s a long ID string, but Git can show you the first few characters of it ...

GitHub has announced the release of GitHub Desktop 2.9. New features include the ability to squash and reorder commits, amend previous commits, and start new branches from earlier commits.