Issues

• gh-160187: Reject ISO-2022 designations into the wrong G set

  awaiting core reviewneeds backport to 3.15sprint
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  python/cpython#160188·gpshead opened Oct 22, 2026 · Updated Oct 22, 2026
  

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

  awaiting core reviewsprinttype-feature
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  python/cpython#160183·corona10 opened Oct 22, 2026 · Updated Oct 22, 2026
  1

• gh-160179: Leave bytearray empty when __init__() fails midway

  awaiting core reviewneeds backport to 3.14needs backport to 3.15sprint
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  python/cpython#160180·gpshead opened Oct 22, 2026 · Updated Oct 22, 2026
  

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

  awaiting core reviewsprinttype-feature
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  python/cpython#160178·corona10 opened Oct 22, 2026 · Updated Oct 22, 2026
  1

• gh-160176: Fix crash in tkinter on deeply nested or recursive lists

  awaiting core reviewneeds backport to 3.14needs backport to 3.15sprint
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  python/cpython#160177·gpshead opened Oct 22, 2026 · Updated Oct 22, 2026
  

• Clarify TLS 1.3 behavior of the SSLContext PSK callbacks

  awaiting core reviewdocsneeds backport to 3.14needs backport to 3.15skip issueskip newssprintteststopic-SSL
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  python/cpython#160159·gpshead opened Oct 22, 2026 · Updated Oct 22, 2026
  1

  

• gh-158660: Avoid locking for new lists with preallocated space

  sprinttopic-free-threading
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  python/cpython#160156·ZeroIntensity opened Oct 22, 2026 · Updated Oct 22, 2026·Draft
  1

• gh-150865: Add PyUnstable_Immortalize

  awaiting core reviewsprinttype-feature
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  python/cpython#160138·ZeroIntensity opened Oct 21, 2026 · Updated Oct 21, 2026
  1

• [3.15] gh-160036: Document tokenize.TokenInfo and its attributes (GH-160037)

  awaiting mergedocsskip newssprint
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  python/cpython#160112·miss-islington opened Oct 21, 2026 · Updated Oct 21, 2026
  1

• gh-114258: Use Argument Clinic for __hash__

  awaiting mergeskip newssprint
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  python/cpython#160059·corona10 opened Oct 21, 2026 · Updated Oct 21, 2026

• gh-114258: Use Argument Clinic for __bool__

  awaiting mergeskip newssprint
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  python/cpython#160057·corona10 opened Oct 21, 2026 · Updated Oct 21, 2026

• gh-159887: Support multiple statements in pdb prompts

  sprinttype-feature
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  python/cpython#160039·johnslavik opened Oct 21, 2026 · Updated Oct 21, 2026·Draft
  1

• gh-153401: Highlight matching delimiters in the REPL

  sprinttype-feature
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  python/cpython#160038·johnslavik opened Oct 21, 2026 · Updated Oct 21, 2026·Draft
  1

• Add a dedicated documentation entry for tokenize.TokenInfo

  docssprinttopic-parser
  python/cpython#160036 · Filter by author johnslavik opened on Oct 21, 2026
  

• gh-148228: Render REPL error overlays in brackets and non-bold red

  awaiting reviewsprinttype-feature
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  python/cpython#160008·johnslavik opened Oct 21, 2026 · Updated Oct 21, 2026
  2

• gh-159973: Highlight soft keywords after token.NL / token.DEDENT

  awaiting core reviewneeds backport to 3.14needs backport to 3.15sprint
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  python/cpython#159992·johnslavik opened Oct 20, 2026 · Updated Oct 21, 2026
  4

• Soft keyword highlighting issues on continuation lines

  sprintstdlibtopic-repltype-bug
  python/cpython#159973 · Filter by author johnslavik opened on Oct 20, 2026
  

• ThreadPoolExecutor tasks see the context of whichever submit() call started their worker thread

  sprintstdlibtopic-free-threadingtype-bug
  python/cpython#159964 · Filter by author ngoldbaum opened on Oct 20, 2026
  4

  

• Support multi-statement prompts in PDB REPL

  sprintstdlibtype-feature
  python/cpython#159887 · Filter by author johnslavik opened on Oct 20, 2026
  2

  

• gh-159815: do not leave stale OpenSSL errors in _hashlib

  needs backport to 3.15sprint
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  python/cpython#159816·picnixz opened Oct 19, 2026 · Updated Oct 20, 2026·Draft
  

• Upgrade mimalloc version from 2.1.2 to 2.5.2

  3.143.15performancesprinttopic-free-threadingtype-feature
  python/cpython#159111 · Filter by author corona10 opened on Oct 10, 2026
  4

  

• gh-157612: Strip prompts and output from pasted REPL sessions

  awaiting change reviewsprinttype-feature
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  python/cpython#157615·johnslavik opened Sep 16, 2026 · Updated Oct 21, 2026
  21

• gh-155619: Fix data races in the context watcher registry

  awaiting changessprinttopic-free-threading
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  python/cpython#155943·cobed95 opened Aug 17, 2026 · Updated Oct 20, 2026
  10

  

• gh-155935: Stop FileFinder._find_children retrying a failing directory scan

  awaiting reviewsprint
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  python/cpython#155939·tobiaspal opened Aug 17, 2026 · Updated Aug 17, 2026
  1

• gh-105250: Fix NEWOBJ handling of custom metaclasses in C pickle

  awaiting mergesprint
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  python/cpython#155920·chaerrypick01 opened Aug 17, 2026 · Updated Aug 17, 2026
  9