Occasionally is right. Yeesh.
Predictably—and indeed predicted—this happened, though currently in a pretty nascent state. Most of the notebook for Lab 2 is now there. Lab 1 is mostly done but not yet saved to GitHub. Lab 3 is also not on GH, and exists only in a very sketchy form, but contains stuff like this:
This sort of nonsense probably wouldn’t surprise anyone who has Nebulized.