cpython
https://github.com/python/cpython
Python
The Python programming language
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- Issues
- Behaviour change in defaultdict.__missing__ between 3.13.11 and 3.13.12
- gh-145858: Remove DELETE_DEREF bytecode instruction
- gh-148200: fix warning on missing safe memzero() on CYGWIN
- `check_extension_modules.py` hangs build due to SIGTTIN
- Harden validation of remote debugging offset tables
- `functools.lru_cache` critical section locks `self` but `_LockHeld` dict APIs assert `self->cache` is locked
- `itertools.zip_longest` stores NULL in GC-tracked `ittuple` when iterators exhaust
- gh-130472: Use fancycompleter in import completions
- _debugmallocstats() undercounts bytes in type-specific free lists
- GH-148189: Fix miscalculation of type-specific free list memory use
- Docs
- Python not yet supported