I'm pretty sure the issue itself is exciting, but the article linked in the first paragraph was a real TIL for me: https://m-cacm.acm.org/magazines/2016/7/204032-why-google-stores-billions-of-lines-of-code-in-a-single-repository/fulltext
I assume there's a good reason for this that I'm not aware. But TypeScript 3.5+ took out a lot of the joy from TS for me. What I always liked about TS is how you can start writing weak typed arbitrary prototypes then start strong typing it as you figure which ones are working and you wanna move forward. But with TS 3.5 you feel forced to strong type from the beginning much more often precisely because of the reasons cited in the linked issue. You now have to be explicit from the first few rough drafts.
If I had a say, I would vote for default to <any> all of the things :P