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Title: PEP 0 – Index of Python Enhancement Proposals (PEPs) | peps.python.org

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This PEP deprecates the RECORD.jws and RECORD.p7s wheel signature files. Lack of support in tooling means that these virtually unused files do not provide the security they purport. Users looking for wheel signing should instead refer to index hosted attestations.

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A new public immutable type frozendict is added to the builtins module.

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This PEP proposes formalizing the membership and responsibilities policies of the Python Security Response Team (PSRT). The PSRT is a “highly trusted cabal of Python developers” which handles security vulnerability disclosures to the [email protected] mailing list.

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This document describes the schedule and other details of the 2025 election for the Python steering council, as specified in PEP 13. This is the steering council election for the 2026 term (i.e. Python 3.15).

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This PEP introduces syntax for lazy imports as an explicit language feature:

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