FWIW, I think it would really be worth adding a Project + Manifest to that repo. Then there is no problem getting the exact versions that were used when running the notebooks.
Good point - I will add this (I started doing these tutorials before Project.toml was an option).
If you have a few minutes to spare, @bkamins, could you cast your expert eye over the wiki books chapter to see if I’ve made any howlers? It dates back a long way (2015) but I’m sentimental and don’t want to just delete the whole section and point to your (much better) material. (Besides, I’d have to redo all the links. )
(Just mention any problems, don’t waste time learning the Wikibooks markup language . )