NetBeans have something very similar to this. You can get a diff on all changes to a file, both from your commits and from just a timeline. You can click to tra

NetBeans have something very similar to this. You can get a diff on all changes to a file, both from your commits and from just a timeline. You can click to transfer old code to the new version blockwise as needed. No need for copy-pasting. It's set to delete history after 7 days but can be changed to never. Haven't realy used it much last few years though so don't know if it's still there.