Issues

• the string value in 'set_cookie()' can not obtains space char

  tornadoweb/tornado#3746 · Filter by author ockan opened on Sep 28, 2026

• Soft-deprecate and reimplement IOStream.read_until_close

  tornadoweb/tornado#3728 · Filter by author bdarnell opened on Sep 15, 2026

• decode_signed_value raises ValueError for authenticated malformed timestamps

  tornadoweb/tornado#3701 · Filter by author yingying9025123-code opened on Aug 4, 2026
  1

• Add support for new HTTP standard method QUERY

  tornadoweb/tornado#3651 · Filter by author spaceone opened on Jun 29, 2026
  2

• Getting the templated path that led to an handler

  tornadoweb/tornado#3616 · Filter by author xrmx opened on Apr 30, 2026
  2

• new awesome list for tornado & social media presence

  tornadoweb/tornado#3605 · Filter by author joegasewicz opened on Apr 3, 2026
  2

• Support for __html__ method and marking variables as safe to use in templates to avoid escaping

  tornadoweb/tornado#3583 · Filter by author bhch opened on Mar 8, 2026

• WebSocketClosedError

  tornadoweb/tornado#3565 · Filter by author memalhot opened on Dec 16, 2025

• x-forwarded-for doesn't work

  tornadoweb/tornado#3561 · Filter by author clhedrick opened on Dec 12, 2025

• simple_httpclient: Improve error reporting on connect timeout

  tornadoweb/tornado#3522 · Filter by author bdarnell opened on Jul 26, 2025

• Support for free-threaded CPython

  tornadoweb/tornado#3501 · Filter by author m-clare opened on May 20, 2025
  20

• web: New XSRF/CSRF protection: Sec-Fetch-Site

  tornadoweb/tornado#3495 · Filter by author bdarnell opened on May 7, 2025
  10

• http server occasionally experiences high latency

  investigation
  tornadoweb/tornado#3419 · Filter by author shaxiaozz opened on Sep 3, 2024
  5

• Subprocess.wait_for_exit never resolves if process terminated before it is called

  process
  tornadoweb/tornado#3364 · Filter by author meffmadd opened on Feb 29, 2024
  3

• Tornado Websocket write message performance degradation when binary is False

  websocket
  tornadoweb/tornado#3362 · Filter by author lalnarik opened on Feb 19, 2024
  2

• Send 204 as HTTPError

  web
  tornadoweb/tornado#3360 · Filter by author pawciobiel opened on Feb 16, 2024

• iostream: SSL logging is too noisy

  iostream
  tornadoweb/tornado#3347 · Filter by author bdarnell opened on Nov 14, 2023

• Possible leak when exception is raised in inner coroutine

  gen
  tornadoweb/tornado#3346 · Filter by author ian-h-chamberlain opened on Nov 8, 2023
  1

• httpclient_test: test_destructor_log is flaky on windows

  httpclient
  tornadoweb/tornado#3326 · Filter by author bdarnell opened on Sep 27, 2023

• support IOLoop.close() when called after asyncio.run

  ioloop
  tornadoweb/tornado#3292 · Filter by author graingert opened on Jul 6, 2023
  1

• locale doesn't preserve territory and doesn't do error handling

  locale
  tornadoweb/tornado#3279 · Filter by author spaceone opened on Jun 11, 2023

• Multiple AsyncHTTPClient objects created for one asyncio event loop

  httpclient
  tornadoweb/tornado#3229 · Filter by author hclivess opened on Feb 7, 2023
  7

• Provide a host application setting

  web
  tornadoweb/tornado#3205 · Filter by author bhch opened on Dec 9, 2022
  7

• Add a decorator that normalizes the request duration to prevent enumeration

  web
  tornadoweb/tornado#3190 · Filter by author the-c0d3br34k3r opened on Sep 29, 2022
  2

• UnicodeDecodeError in curl_httpclient's _curl_debug()

  httpclient
  tornadoweb/tornado#3183 · Filter by author eliasp opened on Sep 4, 2022
  1