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Title: PEP 814: Add built-in frozendict type · Issue #141510 · python/cpython · GitHub

Open Graph Title: PEP 814: Add built-in frozendict type · Issue #141510 · python/cpython

X Title: PEP 814: Add built-in frozendict type · Issue #141510 · python/cpython

Description: Feature or enhancement Proposal: Issue created to track the implementation of https://peps.python.org/pep-0814/. Has this already been discussed elsewhere? No response given Links to previous discussion of this feature: No response Linke...

Open Graph Description: Feature or enhancement Proposal: Issue created to track the implementation of https://peps.python.org/pep-0814/. Has this already been discussed elsewhere? No response given Links to previous discu...

X Description: Feature or enhancement Proposal: Issue created to track the implementation of https://peps.python.org/pep-0814/. Has this already been discussed elsewhere? No response given Links to previous discu...

Opengraph URL: https://github.com/python/cpython/issues/141510

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Hey, it has json ld scripts:
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PEP 814: Add built-in frozendict typehttps://github.com/python/cpython/issues/141510#top
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interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
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on Nov 13, 2025https://github.com/python/cpython/issues/141510#issue-3621218426
https://peps.python.org/pep-0814/https://peps.python.org/pep-0814/
[WIP] gh-141510: PEP 814: Add built-in frozendict type #141508https://github.com/python/cpython/pull/141508
gh-141510, PEP 814: Add built-in frozendict type #144757https://github.com/python/cpython/pull/144757
gh-141510, PEP 814: Add frozendict support to json #144903https://github.com/python/cpython/pull/144903
gh-141510: Replace MappingProxyType with frozendict #144904https://github.com/python/cpython/pull/144904
gh-141510: Implement copy and deepcopy for frozendict #144905https://github.com/python/cpython/pull/144905
gh-141510: Use frozendict for errno.errorcode #144906https://github.com/python/cpython/pull/144906
gh-141510: Run regen-test-frozenmain for frozendict #144907https://github.com/python/cpython/pull/144907
gh-141510: Support frozendict in pprint #144908https://github.com/python/cpython/pull/144908
gh-141510: Use frozendict in the stdlib #144909https://github.com/python/cpython/pull/144909
gh-141510: Use frozendict in the _opcode_metadata #144910https://github.com/python/cpython/pull/144910
gh-141510: Update specializer to support frozendict with BINARY_SUBSCR #144911https://github.com/python/cpython/pull/144911
gh-141510: Add frozendict fast-path to the set type #144912https://github.com/python/cpython/pull/144912
gh-141510: Update mp_length of frozendict to use non atomic operation #144913https://github.com/python/cpython/pull/144913
gh-141510: Optimize {frozen}dict.fromkeys for frozendict #144915https://github.com/python/cpython/pull/144915
gh-141510: Optimize hash(frozendict) #144919https://github.com/python/cpython/pull/144919
gh-141510: Remove unncessary lock holding for frozendict repr #144920https://github.com/python/cpython/pull/144920
gh-141510: Change repr(frozendict) for empty dict #144921https://github.com/python/cpython/pull/144921
gh-141510: Fix test_xpickle failing with introduction of frozendict #144927https://github.com/python/cpython/pull/144927
gh-141510: Mention frozendict in dict documentation #144934https://github.com/python/cpython/pull/144934
gh-141510, PEP 814: Add frozendict support to pickle #144936https://github.com/python/cpython/pull/144936
gh-141510: Add frozendict_check_mutable() #144944https://github.com/python/cpython/pull/144944
gh-141510: Fix frozendict.fromkeys() for subclasses #144947https://github.com/python/cpython/pull/144947
gh-141510: Update specializer to support frozendict #144949https://github.com/python/cpython/pull/144949
gh-141510: Fix frozendict.fromkeys() for subclasses #144952https://github.com/python/cpython/pull/144952
gh-141510: Add can_modify_dict() in dictobject.c #144955https://github.com/python/cpython/pull/144955
gh-141510: Update Whats News for frozendict #144961https://github.com/python/cpython/pull/144961
gh-141510: Fix frozendict.fromkeys() for dict subclasses #144962https://github.com/python/cpython/pull/144962
gh-141510, PEP 814: Add frozendict support to pickle #144967https://github.com/python/cpython/pull/144967
gh-141510: Update ftscalingbench to support frozendict #144999https://github.com/python/cpython/pull/144999
gh-141510: Document ParameterizedMIMEHeader.params change #145003https://github.com/python/cpython/pull/145003
gh-141510: Fix copy.deepcopy() for recursive frozendict #145027https://github.com/python/cpython/pull/145027
gh-145122: Add _GUARD_NOS_ANY_DICT to prevent STORE_SUBSCR_DICT on frozendict #145039https://github.com/python/cpython/pull/145039
gh-141510: Fix test_xpickle for Python 3.14 and older #145069https://github.com/python/cpython/pull/145069
gh-141510: Test frozendict C API #145081https://github.com/python/cpython/pull/145081
gh-141510: Check argument in PyDict_MergeFromSeq2() #145082https://github.com/python/cpython/pull/145082
gh-141510: Check argument in PyDict_Contains() #145083https://github.com/python/cpython/pull/145083
gh-141510: Test frozendict in test_capi.test_dict #145084https://github.com/python/cpython/pull/145084
gh-141510: Change dict_unhashable_type() error message for frozendict #145085https://github.com/python/cpython/pull/145085
gh-141510: support frozendict's in the C decimal module #145165https://github.com/python/cpython/pull/145165
gh-141510: Update PyDict_Copy documentation with note on frozendict #145249https://github.com/python/cpython/pull/145249
gh-141510: Return frozendict unmodified in PyDict_Copy() #145505https://github.com/python/cpython/pull/145505
gh-141510: Optimize PyDict_Copy() for frozendict #145509https://github.com/python/cpython/pull/145509
gh-141510: Add frozendict support to python-gdb.py #145511https://github.com/python/cpython/pull/145511
gh-141510: Always return a dict in PyDict_Copy() #145517https://github.com/python/cpython/pull/145517
gh-141510: Don't accept frozendict in PyDict_Watch() #145529https://github.com/python/cpython/pull/145529
gh-141510: Add PyAnyDict_AsNewDict() function #145531https://github.com/python/cpython/pull/145531
gh-141510: Update PyDict C API doc for frozendict #145533https://github.com/python/cpython/pull/145533
gh-141510: Fix frozendict.items() ^ frozendict.items() #145535https://github.com/python/cpython/pull/145535
gh-141510: Complete What's New in Python 3.15 for frozendict #145537https://github.com/python/cpython/pull/145537
gh-141510: No longer accept frozendict in PyDict_Copy() #145542https://github.com/python/cpython/pull/145542
gh-141510: Change marshal version to 6 #145551https://github.com/python/cpython/pull/145551
gh-141510: Raise TypeError in PyDict_SetItem() on frozendict #145564https://github.com/python/cpython/pull/145564
gh-141510: Support frozendict in plistlib #145590https://github.com/python/cpython/pull/145590
gh-141510: Optimize frozendict(frozendict) #145592https://github.com/python/cpython/pull/145592
gh-141510: Avoid critical section on frozendict copy #145920https://github.com/python/cpython/pull/145920
gh-141510: Document isinstance change for frozendict in What's New #146107https://github.com/python/cpython/pull/146107
gh-141510 Update mapping methods in abstract.c to accept frozendict #150692https://github.com/python/cpython/pull/150692
gh-141510 Document and test frozendict class matching behaviour #150799https://github.com/python/cpython/pull/150799
[3.15] gh-141510 Document and test frozendict class matching behaviour (GH-150799) #151701https://github.com/python/cpython/pull/151701
[3.15] gh-141510 Add frozendict fast paths to abstract.c (GH-150692) #151704https://github.com/python/cpython/pull/151704
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