Homepage: https://codeberg.org/akib/emacs-why-this
Author: Akib Azmain Turja
Updated:
Why is this line here? Ask version control
why-this shows when and why the current line was last changed. Enable with M-x why-this-mode. Or see why a line was change without enabling with M-x why-this. See editing history of whole file with heat map with M-x why-this-annotate.