Issues

• Workflow sandbox re-imports annotated_types, so pydantic silently drops constraints

  temporalio/sdk-python#1897 · Filter by author anthonypalmeira opened on Sep 26, 2026
  1

• [Bug] Heartbeat Task Slot information is not pulled when MetricBuffer is configured

  bug
  temporalio/sdk-python#1817 · Filter by author bmcqueen-tmprl opened on Sep 4, 2026
  1

  

• Cloud CI Skips Nexus Tests

  temporalio/sdk-python#1704 · Filter by author VegetarianOrc opened on Jul 30, 2026
  

• Windows ARM64 wheel support

  temporalio/sdk-python#1592 · Filter by author omjavaid opened on Jun 9, 2026
  4

• [Bug] non determinism when using asyncio.gather with local activities

  bug
  temporalio/sdk-python#1578 · Filter by author paulcacheux opened on Jun 4, 2026
  2

• [Feature Request] Implement operator commands for Standalone Activities

  enhancement
  temporalio/sdk-python#1543 · Filter by author maciejdudko opened on May 19, 2026
  

• Proposal: Google Cloud Storage external storage driver in contrib (mirror of aws/s3driver)

  temporalio/sdk-python#1502 · Filter by author gamepop opened on May 6, 2026
  1

• [Bug] Headers should always run through external storage

  bug
  temporalio/sdk-python#1395 · Filter by author jmaeagle99 opened on Mar 26, 2026
  

• [python] Support conflict token retry loop for schedule updates

  temporalio/sdk-python#1367 · Filter by author chris-olszewski opened on Mar 16, 2026

• sys.monitoring callbacks (coverage, etc.) cause workflow sandbox hang on Python 3.14

  temporalio/sdk-python#1326 · Filter by author dsfaccini opened on Feb 11, 2026
  1

• [Bug] Worker intermittently stops polling after synchronous activity completion

  temporalio/sdk-python#1295 · Filter by author Chaitanya-Varun opened on Jan 22, 2026
  1

• [Feature Request] temporalio.CancelledError should inherit from BaseException

  enhancement
  temporalio/sdk-python#1292 · Filter by author worace opened on Jan 21, 2026
  8

• Warn if SDK detects a workflow history over a certain size - Python

  temporalio/sdk-python#1289 · Filter by author jmaeagle99 opened on Jan 20, 2026
  

• [Feature Request] Look into alternative API doc generators

  enhancement
  temporalio/sdk-python#1275 · Filter by author cretz opened on Jan 14, 2026
  1

• [Bug] Add ability to obtain ApplicationError details with type hint

  bug
  temporalio/sdk-python#1262 · Filter by author cretz opened on Dec 29, 2025

• [Bug] SandboxImportNotificationPolicy.WARN_ON_UNINTENTIONAL_PASSTHROUGH warns on import of the workflow itself to the sandbox

  bug
  temporalio/sdk-python#1254 · Filter by author VegetarianOrc opened on Dec 17, 2025

• [Feature Request] Support InterpreterPoolExecutor from py3.14

  enhancement
  temporalio/sdk-python#1154 · Filter by author blueraft opened on Oct 13, 2025
  5

• [Feature Request] Ensure tests exist to confirm custom slot supplier slot info has proper fields

  enhancement
  temporalio/sdk-python#1079 · Filter by author cretz opened on Sep 5, 2025

• [Feature Request] Support access to metric meter in multi-processed workers

  enhancement
  temporalio/sdk-python#1049 · Filter by author gregbrowndev opened on Aug 24, 2025
  3

• [Feature Request] Support raising cancellation in sync multiprocessed activities

  enhancement
  temporalio/sdk-python#1048 · Filter by author gregbrowndev opened on Aug 24, 2025
  11

• [Feature Request] Research and make SDK free-threading capable/compatible

  enhancement
  temporalio/sdk-python#928 · Filter by author cretz opened on Jun 27, 2025
  1

• [Feature Request] Support merge_extra in custom adapters

  enhancement
  temporalio/sdk-python#892 · Filter by author cretz opened on Jun 6, 2025

• [Feature Request] Expose SDK metric for worker._count_not_evict_count

  enhancement
  temporalio/sdk-python#875 · Filter by author millerick opened on May 20, 2025
  3

• [Python] Worker Versioning high level client

  temporalio/sdk-python#870 · Filter by author Sushisource opened on May 14, 2025

• [Bug] Test server in time-skipping mode does return userMetadata.summary

  bug
  temporalio/sdk-python#851 · Filter by author yunmanger1 opened on Apr 25, 2025
  1