To learn all about strings, head over to my extensive article on strings

Another notable thing is using a per-interpreter GIL. The GIL ensures there is only one thread running at any time. Using multiple processors with threads is impossible because only one thread can run at a time. This is a step towards removing that limitation.

One notable change: you can use the same quotes inside a nested f-string:

>>> f"Quotes inside a nested f-string: {"a string"}"
'Quotes inside a nested f-string now: a string'

I'm not sure what to think of this yet...