Issues

• Workers hard-crash silently ("Not properly terminated") under CPU starvation; exit code missing from message

  pytest-dev/pytest-xdist#1401 · Filter by author slamdunk111 opened on Oct 19, 2026

• loadgroup crashes after late collection deselection

  pytest-dev/pytest-xdist#1399 · Filter by author AryanRG opened on Oct 17, 2026

• is_xdist_controller() can't be used from config-only hooks and raises when xdist is disabled

  pytest-dev/pytest-xdist#1397 · Filter by author MaciejZiel opened on Oct 11, 2026

• Hooks to customize test grouping and group order for scope-based schedulers

  pytest-dev/pytest-xdist#1394 · Filter by author RonnyPfannschmidt opened on Oct 6, 2026

• loadscope/loadgroup: a crashed worker's COMPLETED scopes are re-queued as empty work units and can deadlock the session at the end of the run

  pytest-dev/pytest-xdist#1378 · Filter by author 2ord-backplane opened on Sep 2, 2026

• LoadScopeScheduling.remove_node leaves a dead worker in registered_collections, causing INTERNALERROR KeyError when another worker is still collecting

  pytest-dev/pytest-xdist#1362 · Filter by author nevenincs opened on Jul 24, 2026
  1

• loadscope bug: :: in test parameters breaks scope detection

  pytest-dev/pytest-xdist#1335 · Filter by author Mno-hime opened on May 26, 2026
  2

• Shut down idle workers early to free memory when no tests are left

  pytest-dev/pytest-xdist#1314 · Filter by author HosseyNJF opened on Mar 26, 2026
  2

• Intermittent hang after all tests complete: execnet _thread_receiver blocked on dead worker pipes (Python 3.14t, --dist loadfile)

  Bug

  pytest-dev/pytest-xdist#1313 · Filter by author clemlesne opened on Mar 24, 2026
  5

• pytestmark with loadgroup not working

  pytest-dev/pytest-xdist#1295 · Filter by author Jackevansevo opened on Jan 16, 2026
  2

• with -n 1, it generated five workers, but i expect it generated only 1 worker

  pytest-dev/pytest-xdist#1294 · Filter by author gy95 opened on Jan 15, 2026
  6

• GNU Make Jobserver support?

  pytest-dev/pytest-xdist#1283 · Filter by author xmo-odoo opened on Dec 2, 2025
  11

• If a worker exits with a non-zero status code pytest-xdist doesn't report failure

  pytest-dev/pytest-xdist#1278 · Filter by author orlp opened on Nov 18, 2025
  1

• Modifying xdist options - pytest_hookimpl(tryfirst=True) doesn't work

  pytest-dev/pytest-xdist#1270 · Filter by author jsim-rode opened on Nov 10, 2025

• [BUG] Test error when worker amount set to auto

  pytest-dev/pytest-xdist#1269 · Filter by author lucasmantelli opened on Nov 7, 2025
  1

• [bug] log_cli unexpectedly causes verbose progress output

  pytest-dev/pytest-xdist#1249 · Filter by author tboddyspargo opened on Sep 29, 2025
  5

• TestLoadScope::test_workqueue_ordered_by_input failing intermittently

  pytest-dev/pytest-xdist#1248 · Filter by author sliedes opened on Sep 23, 2025

• --dist=loadgroup mix tests of different groups between same workers.

  pytest-dev/pytest-xdist#1241 · Filter by author alfavarman opened on Aug 26, 2025

• pytest.exit causes internal error

  bug
  Bug

  pytest-dev/pytest-xdist#1239 · Filter by author RonnyPfannschmidt opened on Aug 22, 2025
  4

• Tests timing out when upgrading to 3.X

  pytest-dev/pytest-xdist#1237 · Filter by author DanJezeph15 opened on Aug 19, 2025
  7

• Add -n auto-1 option

  pytest-dev/pytest-xdist#1221 · Filter by author albertas opened on Jun 17, 2025
  2

• Add worker ramping option to prevent system overload when starting many workers

  enhancementhelp wanted
  pytest-dev/pytest-xdist#1219 · Filter by author twiggy opened on Jun 13, 2025
  6

• --dist and --numprocesses flags conflict

  pytest-dev/pytest-xdist#1218 · Filter by author db434 opened on Jun 13, 2025
  2

• Performance issue with LoadScopeScheduling when a node has a large number of tests

  pytest-dev/pytest-xdist#1212 · Filter by author yugokato opened on Jun 3, 2025
  1

• Unexpectedly no active workers available

  pytest-dev/pytest-xdist#1196 · Filter by author mikicz opened on Apr 16, 2025
  5