Highlights of Python 3.15, now available in beta, include lazy imports, faster JITs, better error messages, and smarter profiling. The first full beta of Python 3.15 ...

Removed support for tkinter in PyPy before Python 3.6 #6551 [nulano] Do not use CCITTFaxDecode filter if libtiff is not available #6518 [radarhere] Fallback to not using mmap if buffer is not large ...

Generates the `download-metadata.json` file.