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# Bug report
### Bug description:
According to the Windows spec, the locale identifier for Cambodian (`0x0453/1107`) should be "km-KH"
Sources:
- https://learn.microsoft.com/en-us/openspecs/…
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In https://github.com/python/cpython/pull/123354, I found the need to copy code from zipfile into the test:
https://github.com/python/cpython/blob/9e108b8719752a0a2e390eeeaa8f52391f75120d/Lib/test/…
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# Bug report
## A significant performance regression in Sphinx caused by changes in CPython 3.13
Here is a script that does the following things:
1. Replaces the contents of all CPython documen…
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# Bug report
### Bug description:
When compiling for Wasm with `--disable-wasm-dynamic-linking`, we end up with `HAVE_DYNAMIC_LOADING=0`, which is currently broken with the following linking errors:…
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# Bug report
### Bug description:
After making a typo in IDLE, I noticed some unexpected calltips and incorrectly matched parentheses. These seem to be caused by the parser not knowing where the cur…
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The current GC is both inefficient and can have very long pause times.
The efficiency can be improved by tweaking thresholds or by using fewer generations (see https://github.com/python/cpython/issue…
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# Bug report
### Bug description:
The "Deferred by instruction" [stats](https://github.com/faster-cpython/benchmarking-public/blob/main/results/bm-20240819-3.14.0a0-e077b20-PYTHON_UOPS/bm-20240819-a…
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# Bug report
### Bug description:
According to the documentation of [`sys.tracebacklimit`](https://docs.python.org/3/library/sys.html#sys.tracebacklimit), it should default to 1000 if not set, s…
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In Python 2 `int`s and `long`s were different objects, and the design of each was tailored to the different size and use cases.
In Python3 we dropped the distinction, but we also dropped the design…
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# Bug report
I made a typo that made it into the final code: https://github.com/python/cpython/blob/00ffdf27367fb9aef247644a96f1a9ffb5be1efe/Lib/dataclasses.py#L1211-L1212
It should had been `__dict…