Thank you for uploading such inspiring content

how about? - zoom to cursor: when zooming keep the point in the tree under the mouse cursor constant (without moving the mouse cursor). - click/drag to pan (click event on un-panned mouse-up)

If you think about the borders as they are being placed between boxes by the treemap layout algorithm then it becomes simpler, compared to thinking about them as borders of boxes.

Thanks for the amazing resource! It would be a big project for some skilled editor but a supercut of all the major decisions and debugging rounds from start to finish would be so great. Especially one which emphasized your mental model and how it evolved and misaligned when bugs emerged.

i wish i could write guis like this

"...sometimes reason for why things are so huge you can't even write a comment about it" Make a small video, leave a link in the comment :DDD