Issues

• gh-160652: Make test_getoutput independent of the console code page

  awaiting core reviewskip newstests
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  python/cpython#160664·summeriver13 opened Oct 25, 2026 · Updated Oct 25, 2026
  1

• gh-160659: Test except* handlers raising a non-Exception BaseException

  awaiting mergeskip newstests
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  python/cpython#160660·agronholm opened Oct 25, 2026 · Updated Oct 25, 2026

• test_except_star does not cover except* handlers raising a non-Exception BaseException

  tests
  python/cpython#160659 · Filter by author agronholm opened on Oct 25, 2026

• test_subprocess: test_getoutput fails on non-English Windows, as text mode decodes cmd.exe's OEM output as UTF-8

  OS-windowsteststopic-subprocess
  python/cpython#160652 · Filter by author summeriver13 opened on Oct 25, 2026
  3

• regrtest --parallel-threads shares TestCase._cleanups between threads

  teststype-bug
  python/cpython#160543 · Filter by author mpage opened on Oct 23, 2026
  

• gh-160529: Fix profiler checks for synthetic frames and BusyBox

  awaiting core reviewneeds backport to 3.15skip newstests
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  python/cpython#160542·pablogsal opened Oct 23, 2026 · Updated Oct 24, 2026
  1

• test_profiling is flaky

  infrateststopic-profilingtype-bug
  python/cpython#160529 · Filter by author ZeroIntensity opened on Oct 23, 2026
  4

• gh-160511: Ignore configured proxies in test_urllib.urlopen_HttpTests

  awaiting reviewtests
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  python/cpython#160512·devdavidejesus opened Oct 23, 2026 · Updated Oct 23, 2026

• test_urllib: two urlopen_HttpTests tests fail when an HTTPS proxy is configured

  teststype-bug
  python/cpython#160511 · Filter by author devdavidejesus opened on Oct 23, 2026

• gh-160501: Cover the UCS4 adaptive search path in test_str

  awaiting reviewskip newstests
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  python/cpython#160502·lumenyr opened Oct 23, 2026 · Updated Oct 23, 2026
  2

• test_str: the UCS4 adaptive search path is never exercised

  tests
  python/cpython#160501 · Filter by author lumenyr opened on Oct 23, 2026

• gh-140036: Test modulo and divmod of pure Python Decimal in unbounded contexts

  awaiting core reviewskip newstests
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  python/cpython#160482·picnixz opened Oct 23, 2026 · Updated Oct 23, 2026

• test_sampling_with_collapsed_export fails when the profiler records an unreadable frame

  teststopic-profilingtype-bug
  python/cpython#160334 · Filter by author devdavidejesus opened on Oct 22, 2026
  1

• gh-160253: Fix test_c_stack_unwind manual unwinding on sparc64

  awaiting reviewtests
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  python/cpython#160255·shalseth opened Oct 22, 2026 · Updated Oct 24, 2026
  4

• test_c_stack_unwind fails on Linux sparc64

  OS-unsupportedteststype-bug
  python/cpython#160253 · Filter by author shalseth opened on Oct 22, 2026

• gh-160217: Fix premature client socket cleanup in test_socket

  awaiting reviewtests
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  python/cpython#160218·NikitaMikhailov opened Oct 22, 2026 · Updated Oct 22, 2026
  1

• test_socket: client socket cleanups race with NetworkConnectionAttributesTest client thread

  teststype-bug
  python/cpython#160217 · Filter by author NikitaMikhailov opened on Oct 22, 2026

• test_ssl: test_https_client_non_tls_response_ignored() logged "Exception ignored while finalizing socket" on AMD64 FreeBSD Refleaks 3.15

  OS-freebsdteststopic-SSLtype-bug
  python/cpython#160206 · Filter by author vstinner opened on Oct 22, 2026
  2

• gh-107862: Add Hypothesis property tests for the codecs machinery

  awaiting core reviewteststype-feature
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  python/cpython#160155·pganssle opened Oct 22, 2026 · Updated Oct 22, 2026

• gh-101472: Redocument argparse.REMAINDER and its limitations

  awaiting core reviewdocsneeds backport to 3.14needs backport to 3.15skip newstests
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  python/cpython#160119·savannahostrowski opened Oct 21, 2026 · Updated Oct 22, 2026
  1

• test_c_stack_unwind fails on AArch64 with pointer authentication enabled

  teststype-bug
  python/cpython#160102 · Filter by author mcepl opened on Oct 21, 2026

• test_bz2 failed on RISC-V 64-bit Ubuntu Clang 3.15

  teststype-bug
  python/cpython#160058 · Filter by author vstinner opened on Oct 21, 2026
  1

• gh-107862: Add Hypothesis tests for the compression modules

  awaiting core reviewskip newsteststype-feature
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  python/cpython#159960·pganssle opened Oct 20, 2026 · Updated Oct 23, 2026
  7

• gh-103758: Add test for multiple os.register_at_fork registrations

  awaiting reviewteststype-feature
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  python/cpython#159705·plfj opened Oct 19, 2026 · Updated Oct 24, 2026
  6

• Increase test coverage for filecmp

  awaiting change reviewskip issueskip newstests
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  python/cpython#159663·Bolotnyj opened Oct 18, 2026 · Updated Oct 25, 2026
  42