No, Meta’s contract has explicit carve-outs for Open-Source work done on personal time that are more generous than Canonical’s (I had to choose between the two

No, Meta’s contract has explicit carve-outs for Open-Source work done on personal time that are more generous than Canonical’s (I had to choose between the two 3 months ago). Meta has its own production fork of CPython, Cinder: https://github.com/facebookincubator/cinder https://github.com/facebookincubator/cinder