Commit history

1. Commits on Oct 22, 2026

   • [3.15] gh-159111: Update vendored mimalloc to v2.5.2 (gh-159112) (gh-160178)

     corona10

     authored
     86e3b9fView commit details

     Copy full SHA for 86e3b9f

     View code at this pointBrowse repository at this point

   • [3.15] gh-151818: Fix double-free in _CALL_LIST_APPEND on allocation failure (GH-151826) (#160200)

     Show description for f8672b4
     

     JelleZijlstra

     and

     timurmamedov1

     authored
     f8672b4View commit details

     Copy full SHA for f8672b4

     View code at this pointBrowse repository at this point
2. Commits on Oct 21, 2026

   • [3.15] gh-158197: Fix split dict iteration during concurrent deletion (gh-158686) (#159953)

     Show description for 74a2677
     

     miss-islington

     and

     nascheme

     authored
     74a2677View commit details

     Copy full SHA for 74a2677

     View code at this pointBrowse repository at this point
3. Commits on Oct 19, 2026

   • [3.15] gh-158973: Reset the warnings lock after fork in the child (gh-158974) (gh-159614)

     Show description for 81fe70e
     

     nascheme

     and

     ngoldbaum

     authored
     81fe70eView commit details

     Copy full SHA for 81fe70e

     View code at this pointBrowse repository at this point
4. Commits on Oct 16, 2026

   • [3.15] gh-157710: Add MemoryError tests to PyUnicodeWriter (#159548)

     Show description for adc1127
     vstinner

     authored
     adc1127View commit details

     Copy full SHA for adc1127

     View code at this pointBrowse repository at this point
5. Commits on Oct 13, 2026

   • [3.15] Fix _PyThreadState_ResumeDetached() assertion with attach waiters (GH-159372)

     Show description for ef498e0
     nascheme

     authored
     ef498e0View commit details

     Copy full SHA for ef498e0

     View code at this pointBrowse repository at this point

   • [3.15] gh-151518: Avoid STW starvation of attaching threads (GH-152826) (GH-158186)

     Show description for ed4f3bc
     tpn

     authored
     ed4f3bcView commit details

     Copy full SHA for ed4f3bc

     View code at this pointBrowse repository at this point
6. Commits on Oct 12, 2026

   • [3.15] gh-157242: Fix PyBytesWriter_Resize() on MemoryError (#157243) (#159260)

     Show description for 73e6301
     

     vstinner

     and

     maurycy

     authored
     73e6301View commit details

     Copy full SHA for 73e6301

     View code at this pointBrowse repository at this point

   • [3.15] gh-157468: Validate correct builtins used under JIT (GH-157766) (GH-159048)

     Show description for 4df287d
     johng

     authored
     4df287dView commit details

     Copy full SHA for 4df287d

     View code at this pointBrowse repository at this point

   • [3.15] gh-158219: Fix bytearray constructor to not use hashed object (#158329) (GH-158397)

     Show description for b079bef
     

     vstinner

     and

     cmaloney

     authored
     b079befView commit details

     Copy full SHA for b079bef

     View code at this pointBrowse repository at this point
7. Commits on Oct 11, 2026

   • [3.15] Restore deferred backports for 3.15.1, including GH-158874 (#158882)

     Show description for 4ceb3fa
     

     authored
     4ceb3faView commit details

     Copy full SHA for 4ceb3fa

     View code at this pointBrowse repository at this point
8. Commits on Oct 10, 2026

   • [3.15] gh-158893: Make os.strerror() thread-safe (#159120)

     Show description for c774d15
     vstinner

     authored
     c774d15View commit details

     Copy full SHA for c774d15

     View code at this pointBrowse repository at this point

   • [3.15] gh-156459: Fix cleanup on error in compiler_set_qualname (GH-156462) (GH-156574)

     Show description for 6295a17
     

     miss-islington

     and

     iritkatriel

     authored
     6295a17View commit details

     Copy full SHA for 6295a17

     View code at this pointBrowse repository at this point

   • [3.15] gh-156091: Fix crash compiling deeply nested inlined comprehensions (GH-156957) (GH-156992)

     Show description for 845fb34
     

     miss-islington

     and

     iritkatriel

     authored
     845fb34View commit details

     Copy full SHA for 845fb34

     View code at this pointBrowse repository at this point
9. Commits on Oct 5, 2026

   • [3.15] Revert backports merged during the 3.15.0 release freeze on 5 October (#158873)

     pablogsal

     authored
     c49b3dcView commit details

     Copy full SHA for c49b3dc

     View code at this pointBrowse repository at this point

   • [3.15] gh-155811: Add a seqcount to `gc_stats` to prevent torn reads (GH-155828) (#158829)

     Show description for 0281240
     

     authored
     0281240View commit details

     Copy full SHA for 0281240

     View code at this pointBrowse repository at this point
10. Commits on Oct 2, 2026

    • [3.15] gh-158140: Resolve lazily imported sibling submodules independently (GH-158521) (#158613)

      Show description for 03bb26f
      

      authored
      03bb26fView commit details

      Copy full SHA for 03bb26f

      View code at this pointBrowse repository at this point

    • [3.15] gh-155695: Remove resolved names from sys.lazy_modules more consistently (GH-157714) (#158607)

      Show description for c2eb1a8
      

      authored
      c2eb1a8View commit details

      Copy full SHA for c2eb1a8

      View code at this pointBrowse repository at this point

    • [3.15] GH-158593: Fix ABI compatibility with earlier RCs (#158595)

      Yhg1s

      authored
      202388aView commit details

      Copy full SHA for 202388a

      View code at this pointBrowse repository at this point
11. Commits on Oct 1, 2026

    • [3.15] gh-142349: Simplify lazy import resolution (GH-158282) (#158569)

      Show description for 021f634
      

      authored
      021f634View commit details

      Copy full SHA for 021f634

      View code at this pointBrowse repository at this point
12. Commits on Sep 29, 2026

    • [3.15] gh-157838: Merge biased refcounts on behalf of detached threads (#157839) (#158011)

      kumaraditya303

      authored
      e538c26View commit details

      Copy full SHA for e538c26

      View code at this pointBrowse repository at this point
13. Commits on Sep 24, 2026

    • [3.15] gh-154090: Store profiling mode and capture settings in binary profiles (GH-154105) (#158144)

      Show description for 13b1659
      pablogsal

      authored
      13b1659View commit details

      Copy full SHA for 13b1659

      View code at this pointBrowse repository at this point
14. Commits on Aug 31, 2026

    • [3.15] gh-155725: Remove `PyGILState_Ensure` usage from `tracemalloc` (GH-156409) (#156628)

      Show description for c168fbc
      

      miss-islington

      and

      kumaraditya303

      authored
      c168fbcView commit details

      Copy full SHA for c168fbc

      View code at this pointBrowse repository at this point
15. Commits on Aug 26, 2026

    • [3.15] gh-154060: Preserve replay duration and rate (GH-154101) (#156407)

      pablogsal

      authored
      27c8f1fView commit details

      Copy full SHA for 27c8f1f

      View code at this pointBrowse repository at this point

    • [3.15] gh-129752: Don't update adaptive counters when TLBC=0 in free-threading. (gh-155497) (#155647)

      Show description for d0484ab
      

      miss-islington

      and

      corona10

      authored
      d0484abView commit details

      Copy full SHA for d0484ab

      View code at this pointBrowse repository at this point
16. Commits on Aug 25, 2026

    • [3.15] gh-154701: prevent executor self-links in JIT cold exits (GH-155323) (#155832)

      Show description for d0a6e15
      

      authored
      d0a6e15View commit details

      Copy full SHA for d0a6e15

      View code at this pointBrowse repository at this point
17. Commits on Aug 22, 2026

    • [3.15] gh-155363: Fix QSBR slot leak on thread state creation failure (gh-155365) (#155579)

      Show description for dd4bd4c
      

      authored
      dd4bd4cView commit details

      Copy full SHA for dd4bd4c

      View code at this pointBrowse repository at this point
18. Commits on Jul 27, 2026

    • [3.15] gh-154431: Revert "gh-154431: Fix data race in `sys.audithook` (GH-154462)" (GH-154769) (GH-154774)

      Show description for 44fca7e
      

      miss-islington

      and

      encukou

      authored
      44fca7eView commit details

      Copy full SHA for 44fca7e

      View code at this pointBrowse repository at this point
19. Commits on Jul 22, 2026

    • [3.15] gh-154431: Fix data race in `sys.audithook` (GH-154462) (#154477)

      Show description for e9d9fd9
      

      miss-islington

      and

      sobolevn

      authored
      e9d9fd9View commit details

      Copy full SHA for e9d9fd9

      View code at this pointBrowse repository at this point
20. Commits on Jul 18, 2026

    • [3.15] gh-153236: Propagate lazy submodule import errors (GH-153237) (#153936)

      Show description for 0cb0723
      

      miss-islington

      and

      pablogsal

      authored
      0cb0723View commit details

      Copy full SHA for 0cb0723

      View code at this pointBrowse repository at this point
21. Commits on Jul 10, 2026

    • [3.15] gh-152132: Test Py_CompileString() in test_capi.test_run (GH-153470) (#153472)

      Show description for 462f628
      

      miss-islington

      and

      vstinner

      authored
      462f628View commit details

      Copy full SHA for 462f628

      View code at this pointBrowse repository at this point
22. Commits on Jul 9, 2026

    • [3.15] gh-152132: Fix Py_RunMain() to return an exit code (GH-153446) (#153454)

      Show description for 76c28fc
      

      miss-islington

      and

      vstinner

      authored
      76c28fcView commit details

      Copy full SHA for 76c28fc

      View code at this pointBrowse repository at this point
23. Commits on Jul 8, 2026

    • [3.15] gh-153083: Defer GC tracking of an array to the end of construction. (gh-153284) (gh-153336)

      Show description for 8cb4b84
      

      miss-islington

      and

      corona10

      authored
      8cb4b84View commit details

      Copy full SHA for 8cb4b84

      View code at this pointBrowse repository at this point
24. Commits on Jul 5, 2026

    • [3.15] gh-150459: Fix `SyntaxError` message for `from x lazy import y` (GH-150877) (#153090)

      Show description for f7eda8e
      sobolevn

      authored
      f7eda8eView commit details

      Copy full SHA for f7eda8e

      View code at this pointBrowse repository at this point
25. Commits on Jun 27, 2026

    • [3.15] gh-151613: Fix remote debugging frame cache ABA (#152448)

      Show description for 65fbec6
      pablogsal

      authored
      65fbec6View commit details

      Copy full SHA for 65fbec6

      View code at this pointBrowse repository at this point