v3.15.0b2
gh-144759: Fix undefined behavior from NULL pointer arithmetic in lexer (#144788)
gh-104169: Refactor tokenizer into lexer and wrappers (#110684)
gh-140576: Fixed crash produced by lexer in case of dedented zero byte (#140583)
gh-132661: Implement PEP 750 (#132662)
gh-135801: Add the module parameter to compile() etc (GH-139652)