v3.15.0b3
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)
[3.15] gh-150207: Raise MemoryError on tokenizer allocation failure instead of crashing (GH-150275) (#150996)
gh-135801: Add the module parameter to compile() etc (GH-139652)