A YouTube talk, with Q&A in June 2021 by Sir Dermot Turing on 'The real story of how Enigma was broken': Link:
I’m surprised Germany didn’t find out about the Polish effort to decipher Enigma after they invaded Poland.
Gage, Nor to my knowledge did the French team talk, though after France's surrender they were based quietly in Vichy France. Perhaps others here know more?
An introduction for a forthcoming Sky TV documentary series, the intro concentrates on the Polish aspect: The Polish cryptographers who cracked the Enigma code From a Polish Embassy tweet:
A curious Polish newspaper article on the appearance of a German Enigma machine in a Polish museum, gifted by another, anonymous nation to the Polish Foreign Intelligence Service: Foreign Intelligence Service reveals original 1930s Enigma machine
A letter today in The Guardian of a letter, subtitled: Link: The Pole who first cracked the Enigma code | Letter