[Python-Dev] Re: PEP 617: New PEG parser for CPython

About the migration, can I ask who is going to (help to) fix projects which rely on the AST?

I think you misunderstood: The AST is exactly the same as the old and the new parser. The only the thing that the new parser does is not generate an immediate CST (Concrete Syntax Tree) and that is only half-exposed in the parser module.