Python 3.13.1 Release Notes May 2026

Elara was proud. She had a brand new with colorful prompts and history navigation. She could run the Gala’s light show—twelve thousand LEDs—without a single garbage collection pause, thanks to her new Incremental GC . And most importantly, she could run the clock tower’s chime using JIT compilation (experimental, but exciting).

Sam didn’t rewrite Elara. They patched her—gently, surgically—with the 3.13.1 update. python 3.13.1 release notes

"Call the Release Manager," whispered the town elder. Elara was proud

The clock tower froze. The light show stuttered. A cold panic spread through the town square. And most importantly, she could run the clock

>>> import time >>> since_last_crash = time.time() - startup_time >>> print(f"Uptime: {since_last_crash:.1f} seconds. Gala saved.") Uptime: 0.0 seconds. Gala saved. Everyone laughed.

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.

Elara spoke for the first time that night, her new REPL echoing across the square: