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corona10 merged 5 commits into from
Feb 19, 2026
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gh-141510: Update Whats News for frozendict #144961

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gh-141510: Update Whats News for frozzendict
corona10 Feb 18, 2026
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nit
corona10 Feb 18, 2026
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Update Doc/whatsnew/3.15.rst
corona10 Feb 18, 2026
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corona10 Feb 18, 2026
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What's news
corona10 Feb 19, 2026
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Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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@corona10 @StanFromIreland
corona10 and StanFromIreland authored Feb 18, 2026
commit 857b4911163e06993a0174c33d7e92fe678dac0e
4 changes: 2 additions & 2 deletions Doc/whatsnew/3.15.rst
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Expand Up @@ -188,9 +188,9 @@ raise :exc:`SyntaxError`).
:pep:`814`: Add frozendict built-in type
----------------------------------------

A new public immutable type, :class:`frozendict`, is added to the :mod:`builtins` module.
A new :term:`immutable` type, :class:`frozendict`, is added to the :mod:`builtins` module.
It does not allow modification after creation. A ``frozendict`` is not a subclass of ``dict``;
it inherits directly from ``object``. A ``frozendict`` is hashable (i.e., ``hash(frozendict)`` works)
it inherits directly from ``object``. A ``frozendict`` is :term:`hashable`
as long as all of its keys and values are hashable.

@vstinner vstinner Feb 19, 2026

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Ah, you may add that it preserves insertion order, but that comparison doesn't take the order in account (your example proves it).

For example::
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