Python 3.13.1, released on , serves as the first maintenance release for the Python 3.13 "feature" branch. While the initial 3.13.0 release introduced groundbreaking experimental features like a "No-GIL" mode and a JIT compiler, version 3.13.1 focuses on stabilizing these ambitious changes through nearly 400 bug fixes and performance refinements. The Better REPL: Interactive Improvements
"Shattered," Ada declared. "Or at least, the cracks are forming. The release notes for 3.13 detail a build mode that disables the GIL. This is the 'No-GIL' project." python 3.13.1 release notes
Elara spoke for the first time that night, her new REPL echoing across the square: Python 3
Elara tried to roll back. But her heart—the global interpreter lock—was still a single thread of execution. She couldn’t fix herself while running. "Or at least, the cracks are forming