On 21/04/20 8:34 pm, Ronald Oussoren via Python-Dev wrote:
As far as I understand proper support for subinterpreters also requires moving away from static type definition to avoid sharing objects > between interpreters (that is, use the PyType_FromSpec to build types).
Which means updating every extension module that defines its own Python types and was written before PyType_FromSpec existed. I expect there is a huge number of those. -- Greg