I beat Core, which was laborious and dull (as well as the lore making no sense), so now I’m at Farewell, the final bonus chapter. It’s entirely difficult, but really awesome. That's probably all the Celeste I’ll play for the holidays, though :(
Fandom is adding AI to their wikis. Please sign this petition, even when it won’t realistically achieve anything: https://community.fandom.com/wiki/User:CincinnatiMountain312/Translation_Signatures
Legend has it that if you follow the popular joke “biology is just applied chemistry, chemistry is just applied physics, physics is just applied maths" far enough, you'll end up at the purest of all subjects, philosophy number theory.
Update: it has been moved to “Wikipedia philosophy phenomenon” (and the redirect will probably be deleted so R.I.P. any chance of a “Philosophy (Wikipedia article)” on Wikipedia) but the article is better than ever, I’m so proud it has avoided deletion for ~2 days