Python saw 16 releases in October instead of the five originally planned. Hugo van Kemenade handled seven rather than two; among the extra releases, only 3.15.0rc3 was not a security release.
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The available excerpt introduces Python wheel filenames and their compatibility tags, using a uv build example. It stops before explaining abi3t or the limited C API.
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Rodrigo Girão Serrão: Thread-safe iterators
The excerpt demonstrates how concurrent access to a shared Python generator can raise ValueError. It names threading.serialize_iterator and threading.synchronized_iterator as Python 3.15 tools, but does not include their usage.
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Rodrigo Girão Serrão: 4 upgrades to the Python standard library in 3.15
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Rodrigo Girão Serrão: Typing improvements in Python 3.15
Python 3.15 adds extra_items and closed parameters to TypedDict, allowing typed extra values or forbidding extra keys. The excerpt also mentions typing.TypeForm and typing.disjoint_base without explaining them.
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Pyrefly: A Fast Static Type Checker for Python Projects
Pyrefly checks Python types without executing code and also offers type-hint generation and type coverage measurement. The excerpt introduces its CLI workflow, while noting important context about coverage features in Pyright and mypy.