For the record: I shopped this project to them; it didn’t originate as an idea from LF or any major company. The idea itself came from PyCA’s maintainers, who have wanted this for a while.

(The native code desirability question is also a red herring here, since PyCA has and will always need to have native code for cryptographic operations. So having a first class ASN.1 API in PyCA was always going to involve native code, with the only variable being how.)