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This includes changes in 3.10 and 3.11. * Issue: gh-142461

docs
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https://bugs.python.org/issue31391 Apart from porting test_xpickle, a resource was also added in libregrtest's command line options (as this was originally available in Py2 but removed in Py3, and the test takes...

tests
awaiting review
needs backport to 3.13
needs backport to 3.14

# Bug report ### Bug description: `test_pyrepl` started failing for me a day or two ago. According to `git bisect`, this is the problematic commit: ``` 8a2deea1fc725f8147254f87c6042fcf75a1d03b is the first...

type-bug
tests
3.13
3.14
topic-repl
3.15

# Bug report I noticed a common error -- a NEWS entry for changes in the stdlib can be added in the "Core and Interpreter" section instead of "Library". Some...

type-bug
docs
3.13
3.14
3.15

When comparing two memoryview objects with different formats, `memory_richcompare` uses the `struct` module to unpack elements. A custom `struct.Struct.unpack_from` implementation could releases and resizes underlying buffer, which invalidates the buffer...

awaiting review

* Issue: gh-143331 ---- 📚 Documentation preview 📚: https://cpython-previews--143372.org.readthedocs.build/

docs
awaiting merge
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needs backport to 3.13
needs backport to 3.14

This change documents the CRLF injection vulnerability for http headers in `http.server` and `wsgiref` modules. Initial report in #142533 focused on `http.server` only, though further discussion suggested also addressing a...

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For AArch64 emit__GUARD_IS_TRUE_POP produces the following assembly code: ``` ... 14: 54000041 b.ne 0x1c 18: 14000002 b 0x20 1c: 14000000 b 0x1c 000000000000001c: R_AARCH64_JUMP26 _JIT_JUMP_TARGET ``` but it should, ideally,...

type-feature
interpreter-core
topic-JIT

I'm working on using pyrepl for pdb (at least most of it). I like the real-time color rendering for user's code, but we need some modification for pdb. The user...

awaiting core review