What should I be reading to know more about this? I am considering a move from Jetbrain's products to VS Code.

I tried this move once and lasted three days.

Opening IDEA after those three days was the same kind of feeling I imagine you’d get when you take off a too tight pair of shoes you’ve been trying to run a marathon in.

ymmv, of course, but for $dayjob I can’t even be arsed trying anything else at this point, it’s so ingrained I doubt it’ll be worth the effort switching.

If you are US and trust US products then consider moving away from Jetbrains to VS Code