The ability to edit across multiple lines is now standard, improving productivity.
The help() system has been improved, and simple commands like exit and quit now work without needing parentheses. 2. Experimental Free-Threaded Mode (No-GIL)
If you want to prepare your stack for this release, tell me: python 313 release notes verified
To safely remove the GIL, Python integrated a modified version of mimalloc , a scalable, thread-safe memory allocator from Microsoft. 2. Experimental Copy-and-Patch JIT Compiler (PEP 744)
: It is disabled by default and must be explicitly enabled during compilation via the --enable-experimental-jit flag. 💻 2. The REPL Makeover: A Better Interactive Interpreter The ability to edit across multiple lines is
iOS and Android are now Tier 3 supported platforms .
Replaced by standard file type verification utilities (e.g., filetype ). sunau , audioop Experimental Free-Threaded Mode (No-GIL) If you want to
The first upgrade developers notice in Python 3.13 is the completely redesigned . Moving away from the legacy command line, the new interactive interpreter utilizes robust code logic adapted from the PyPy Project.
Python 3.13 includes several bug fixes that address issues reported in previous versions:
| Platform | Status | |----------|--------| | iOS (PEP 730) | ✅ Tier 3 (experimental) | | WASI (PEP 731) | ✅ Tier 3 | | Android | No official tier, but community patches merged | | macOS | 10.9 (Mavericks) minimum → now 10.13 (High Sierra) | | Windows | Windows 10/11 only; Windows 7/8 unsupported | | Linux | glibc 2.17+ |
To verify Python 3.13 on your system: