This sounds like it could be an incredibly useful feature in IDEs. It reminds me of the timeline in Fusion 360 [0] which allows you to scroll back through time,

This sounds like it could be an incredibly useful feature in IDEs. It reminds me of the timeline in Fusion 360 [0] which allows you to scroll back through time, make a change to a feature in ‘past’, and then jump back to the present state of the project. [0]: https://www.autodesk.com/products/fusion-360/blog/wp-content/uploads/2016/06/timeline.gif https://www.autodesk.com/products/fusion-360/blog/wp-content...