Issues

• Is notify_closing after close() allowed? Fix or document

  python-trio/trio#3520 · Filter by author arthur-tacca opened on Sep 21, 2026
  2

• Missing Cygwin support

  python-trio/trio#3513 · Filter by author matzeri opened on Sep 14, 2026
  7

• KeyError in KqueueIOManager.process_events (TrioInternalError)

  python-trio/trio#3500 · Filter by author james-emerton opened on Aug 31, 2026
  15

• Support zuban

  typing
  python-trio/trio#3457 · Filter by author A5rocks opened on Jun 26, 2026
  4

• Switch to pylock.toml from our test-requirements.txt lockfile

  python-trio/trio#3437 · Filter by author A5rocks opened on May 9, 2026
  1

• Pin actions to hashes

  python-trio/trio#3422 · Filter by author A5rocks opened on Apr 8, 2026
  1

• Run flake8-async in precommit

  python-trio/trio#3396 · Filter by author A5rocks opened on Feb 18, 2026
  2

• Type annotations for trio.open_file & trio.wrap_file

  python-trio/trio#3390 · Filter by author kinnay opened on Feb 13, 2026
  3

• trio.wrap_file() undocumented behavior wrt to sync file object

  docs
  python-trio/trio#3379 · Filter by author Nikratio opened on Jan 18, 2026
  2

• sleep() hangs indefinitely when using a custom clock

  python-trio/trio#3369 · Filter by author fjarri opened on Dec 8, 2025
  13

• run_process ignores thread context and spawns from threadpool

  python-trio/trio#3360 · Filter by author tik-stbuehler opened on Nov 26, 2025
  2

• Fix old Gitter links

  python-trio/trio#3342 · Filter by author A5rocks opened on Oct 4, 2025
  3

• More robust CancelScope misnesting prevention

  python-trio/trio#3329 · Filter by author A5rocks opened on Sep 10, 2025

• WASM support

  python-trio/trio#3311 · Filter by author A5rocks opened on Aug 4, 2025
  4

• We could have an ABC for synchronous channels

  python-trio/trio#3310 · Filter by author Zac-HD opened on Aug 4, 2025
  9

• run_process: Document pitfalls re/ Ctrl+C and not creating a new process group

  docs
  python-trio/trio#3300 · Filter by author neongreen opened on Jul 14, 2025
  9

• Internal error with recursive tasks and cancellation

  python-trio/trio#3290 · Filter by author A5rocks opened on Jun 16, 2025
  1

• Raise RecursionError if nurseries are too nested

  python-trio/trio#3289 · Filter by author A5rocks opened on Jun 16, 2025
  4

• Support ty

  typing
  python-trio/trio#3288 · Filter by author A5rocks opened on Jun 16, 2025
  1

• Support pyrefly

  typing
  python-trio/trio#3287 · Filter by author A5rocks opened on Jun 16, 2025
  2

• More traceback cleaning

  python-trio/trio#3279 · Filter by author jakkdl opened on Jun 5, 2025
  4

• CPython 3.14 and Cython==3.1.0 CI issues

  python-trio/trio#3267 · Filter by author jakkdl opened on May 14, 2025
  5

• shell command does not terminate on cancel

  python-trio/trio#3237 · Filter by author zoranbosnjak opened on Apr 1, 2025
  12

• Add exception message for easier debugging with Cancelled

  debuggingdesign discussion
  python-trio/trio#3232 · Filter by author Zac-HD opened on Mar 27, 2025
  11

• Some publicly exposed functions/properties have no documentation

  docsgood first issue
  python-trio/trio#3226 · Filter by author A5rocks opened on Mar 20, 2025
  14