Issues

• [DIFF] Immutability for NoGIL for 3.15a

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  fxpl/cpython#112·xFrednet opened Sep 24, 2026 · Updated Sep 28, 2026
  1

• The immutability flag should be cleared when objects are recycled

  fxpl/cpython#106 · Filter by author xFrednet opened on Jul 1, 2026

• Immutability: Missing write barrier in optimized bytecode

  fxpl/cpython#104 · Filter by author xFrednet opened on May 21, 2026

• Immutability: Unfreezing tracks untracked objects again

  fxpl/cpython#101 · Filter by author xFrednet opened on Apr 21, 2026

• Immutability: Incorrect unfreeze of non-completed SCC

  fxpl/cpython#100 · Filter by author kulisak12 opened on Apr 11, 2026

• Update the migration of Set, Enum, Range (Does not matter anymore), and itertools.batched and pairwise

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  fxpl/cpython#99·CaQtiml opened Apr 7, 2026 · Updated Jun 22, 2026
  5

• [DIFF] Write-Barrier Regions

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  fxpl/cpython#97·xFrednet opened Apr 2, 2026 · Updated Sep 7, 2026

• Improve Py_CHECKWRITE codegen by moving cold checks out of line

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  fxpl/cpython#95·mjp41 opened Apr 2, 2026 · Updated Apr 2, 2026
  1

• Region Bugs

  fxpl/cpython#79 · Filter by author xFrednet opened on Mar 10, 2026
  2

• Immutability Implementation Adjustments for PLDI and the PEP

  fxpl/cpython#64 · Filter by author xFrednet opened on Jan 13, 2026
  5

• [DIFF] Immutability for 3.15a

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  fxpl/cpython#63·mjp41 opened Dec 17, 2025 · Updated Sep 7, 2026·Draft
  3

• Immutable Reference Implementation

  fxpl/cpython#61 · Filter by author mjp41 opened on Oct 3, 2025

• Immutable SCC algorithm for Python

  fxpl/cpython#54 · Filter by author mjp41 opened on Apr 2, 2025
  2

  

• LRC bug

  fxpl/cpython#52 · Filter by author TobiasWrigstad opened on Mar 14, 2025 · WG2.16 March 2025
  5

  

• [DIFF] Immutability for 3.12

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  fxpl/cpython#51·matajoh opened Mar 5, 2025 · Updated Sep 7, 2026
  54

• Make move Pyrona aware

  fxpl/cpython#50 · Filter by author TobiasWrigstad opened on Feb 14, 2025

• Is this a place that needs a write check?

  fxpl/cpython#47 · Filter by author TobiasWrigstad opened on Feb 1, 2025

• Phase3: Region Invariant compile time flag on Windows.

  fxpl/cpython#43 · Filter by author mjp41 opened on Jan 21, 2025

• SETREF/DECREF/INCREF/NEWREF/CLEAR

  fxpl/cpython#42 · Filter by author mjp41 opened on Jan 21, 2025

• Define Pyrona's public interface

  fxpl/cpython#27 · Filter by author xFrednet opened on Dec 16, 2024

• Investigate crashes if _Py_LOCAL_REGION != 0

  fxpl/cpython#24 · Filter by author xFrednet opened on Dec 13, 2024

• Make (at least interned) strings immutable by default

  fxpl/cpython#18 · Filter by author TobiasWrigstad opened on Dec 7, 2024

• Phase 1: Can we make c wrappers immutable by default?

  fxpl/cpython#17 · Filter by author xFrednet opened on Dec 7, 2024

• Proposal: integrity check on send as a first prototype; write-barrier as optimisation

  fxpl/cpython#12 · Filter by author TobiasWrigstad opened on Dec 5, 2024
  1

  

• region/cown capture questions

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  fxpl/cpython#4·matajoh opened Apr 29, 2024·Draft