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Commits on Feb 19, 2026

• gh-144702: Use standard terminology in class pattern error message (#144703)

  sharkdp

  authored
  1d09916

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• GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)

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  markshannon

  authored
  3f37b94

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Commits on Feb 18, 2026

• gh-141510: Update specializer to support frozendict (gh-144949)

  corona10

  authored
  3e2f5c1

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• gh-144763: Don't detach the GIL in tracemalloc (#144779)

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  vstinner

  and

  kumaraditya303

  authored
  83f4fff

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Commits on Feb 17, 2026

• gh-144438: Fix false sharing between QSBR and tlbc_index (gh-144554)

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  colesbury

  authored
  6577d87

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• gh-141510, PEP 814: Add built-in frozendict type (#144757)

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  4 peopleauthored
  696cdfc

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Commits on Feb 14, 2026

• gh-144822: remove redundant decref in `codegen.c` (#144823)

  benediktjohannes

  authored
  645f5c4

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• fix warnings in jit builds (GH-144817)

  chris-eibl

  authored
  caac966

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• remove unused _PyFunction_LookupByVersion (GH-144814)

  chris-eibl

  authored
  14cbd0e

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• gh-144766: Fix a crash in fork child process when perf support is enabled. (#144795)

  yilei

  authored
  5922149

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• gh-138912: Improve MATCH_CLASS opcode performance (GH-138915)

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  cdce8p

  authored
  75d4839

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Commits on Feb 12, 2026

• gh-142349: Fix refcount corruption in lazy import specialization (#144733)

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  pablogsal

  authored
  072cd7c

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• gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)

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  4 peopleauthored
  46d5106

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Commits on Feb 10, 2026

• gh-134584: Optimize `_BINARY_OP_SUBSCR_LIST_SLICE` (GH-144659)

  Sacul0457

  authored
  6c8ca1c

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• gh-143650: Fix importlib race condition on import failure (GH-143651)

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  gpshead

  and

  claude

  authored
  ac8b5b6

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• gh-144563: Fix remote debugging with duplicate libpython mappings from ctypes (#144595)

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  pablogsal

  authored
  2c1ca6b

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• gh-144278: Enable overriding sys.implementation's name and cache_tag when building sysmodule.c (GH-144293)

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  zooba

  authored
  a9b6788

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Commits on Feb 9, 2026

• gh-144601: Avoid sharing exception objects raised in a `PyInit` function across multiple interpreters (GH-144602)

  ZeroIntensity

  authored
  fd6b639

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• gh-144623: Fix missing output uops in optimizer debug output (GH-144617)

  cocolato

  authored
  988286e

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Commits on Feb 8, 2026

• GH-131798: Optimize `_GUARD_TOS_SLICE` (GH-144470)

  Sacul0457

  authored
  cfeede8

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Commits on Feb 6, 2026

• gh-144549: Fix tail calling interpreter on Windows for FT (GH-144550)

  Fidget-Spinner

  authored
  895e837

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• gh-144513: Skip critical section locking during stop-the-world (gh-144524)

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  colesbury

  authored
  0fdf6a9

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• gh-144446: Fix some frame object thread-safety issues (gh-144479)

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  colesbury

  authored
  5bb3bbb

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• gh-139103: Improve namedtuple scaling in free-threaded build (gh-144332)

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  colesbury

  and

  vstinner

  authored
  d891b2b

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Commits on Feb 5, 2026

• gh-77188: Add support for pickling private methods and nested classes (GH-21480)

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  ZackerySpytz

  and

  serhiy-storchaka

  authored
  01a1dd2

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• GH-144179: Use recorded values to make optimizer more robust (GH-144437)

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  markshannon

  authored
  b53fc7c

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Commits on Feb 4, 2026

• gh-140824: Fix _Py_DumpExtensionModules() to ignore sub-modules (#144339)

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  vstinner

  authored
  2aea861

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Commits on Feb 3, 2026

• gh-139103: Use borrowed references for positional args in _PyStack_UnpackDict (gh-144407)

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  colesbury

  authored
  79c43e7

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Commits on Feb 2, 2026

• gh-139109: Replace `_CHECK_STACK_SPACE` with `_CHECK_STACK_SPACE_OPERAND` in JIT optiimizer (GH-144394)

  cocolato

  authored
  89e6607

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• GH-144179: Add value recording to JIT tracing front-end (GH-144303)

  markshannon

  authored
  141fd8b

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• gh-144145: Revert PR#144122 for performance and potential bugs. (GH-144391)

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  cocolato

  authored
  ebbb2ca

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Commits on Feb 1, 2026

• Fix unused variable 'COLORS' warning in optimizer.c (#144373)

  aisk

  authored
  db61f62

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Commits on Jan 31, 2026

• gh-143055: Implementation of PEP 798 (#143056)

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  adqm

  and

  JelleZijlstra

  authored
  ccbe41e

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Commits on Jan 30, 2026

• gh-144319: Fix huge page safety in pymalloc arenas (#144331)

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  pablogsal

  authored
  96e4cd6

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• gh-120321: Make gi_yieldfrom thread-safe in free-threading build (#144292)

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  colesbury

  authored
  a01694d

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