Get the latest tech news
Python 3.13 Sees Last Minute Delay Due To Performance Regression
Python 3.13 had been scheduled for release today with a new interactive interpreter, experimental free-threaded build mode to disable the Global Interpreter Lock (GIL), an experimental JIT, and other shiny new features
A "significant" performance regression in specific workloads held up the planned Python 3.13 release for 1 October. The regression is due to the incremental cyclic garbage collector introduced earlier this cycle. Python 3.13 has a new interactive interpreter, removing the GIL in the experimental free-threaded build mode, an experimental JIT for faster performance, WASI is now a Tier-2 supported platform, and Android and iOS have been promoted to Tier-3 supported platforms.
Or read this on Phoronix
