Mark Otto(@mdo):Say hello to Edit mode for Diffs. It’s been an absolute blast to have worked on this with the @pierrecomputer team. Not only can you edit regular code, but you can also edit diffs as you make changes. Just toggle edit mode. Unreal ship. 👉

Mark Otto

@mdo

Designer, developer, and advisor. Working on @pierrecomputer. Creator of @getbootstrap. Previously @github and @twitter. Huge nerd.

Joined August 2007

521 Following 68.6K Followers

Mark Otto@mdo

2026.08.04 00:23

Say hello to Edit mode for Diffs. It’s been an absolute blast to have worked on this with the @pierrecomputer team. Not only can you edit regular code, but you can also edit diffs as you make changes. Just toggle edit mode. Unreal ship. 👉

Jacob@fat

2026.08.03 22:31

Edit is now live on diffs[dot]com. This isn't just another Monaco or ProseMirror wrapper. This is an entirely new edit implementation, built on top of our file and diff rendering primitives. - Over 189 commits - Over 900 new tests Try it out now –