Issues

• Web forwarding drops HTTP/2 response trailers, which breaks gRPC (HTTP/2 itself now negotiates fine)

  microsoft/dev-tunnels#687 · Filter by author gabog opened on Oct 5, 2026

• Tunnels recreated in WestEurope come back in a different cluster — create succeeds, URL silently changes

  microsoft/dev-tunnels#659 · Filter by author joetossell opened on Jul 13, 2026

• devtunnel create routing flaps between near-equidistant clusters, silently creating cross-cluster duplicates

  microsoft/dev-tunnels#642 · Filter by author joetossell opened on Jun 1, 2026
  2

  

• failing to import go sdk

  microsoft/dev-tunnels#608 · Filter by author ganesh-getweave opened on Apr 2, 2026

• [i18n] DevTunnel inspect is not working with browser set to Traditional Chinese language

  microsoft/dev-tunnels#567 · Filter by author ycs77 opened on Jan 13, 2026
  1

• What scopes do the devtunnel AAD token need?

  microsoft/dev-tunnels#557 · Filter by author ci010 opened on Sep 26, 2025

• The devtunnel CLI installer is incompatible with Azure Linux

  microsoft/dev-tunnels#554 · Filter by author hbeberman opened on Aug 28, 2025
  1

• port 3389 does not work

  microsoft/dev-tunnels#548 · Filter by author lly-c232733 opened on Aug 12, 2025

• "502: Bad gateway" Whenever I try to connect

  microsoft/dev-tunnels#540 · Filter by author QuidProGamer opened on Jul 19, 2025
  2

• How to disable the system proxy

  microsoft/dev-tunnels#536 · Filter by author BlueHtml opened on Jun 12, 2025

• When a user is a member of many groups in Entra, they end up with HTTP 431

  microsoft/dev-tunnels#531 · Filter by author hajekj opened on May 6, 2025
  3

• Visual Studio project exclusion

  microsoft/dev-tunnels#529 · Filter by author btastic opened on Apr 29, 2025

• Anonymous Websocket not working, timeout

  microsoft/dev-tunnels#523 · Filter by author ahimberg opened on Apr 8, 2025
  3

• Missing wamcompat_id_token in WAM case

  microsoft/dev-tunnels#522 · Filter by author ridomin opened on Apr 4, 2025
  5

• Inspect network console does not show requests

  microsoft/dev-tunnels#515 · Filter by author michaelbaranov opened on Mar 4, 2025

• Request to forwarded port doesn't finish after response was recieved

  microsoft/dev-tunnels#513 · Filter by author szilvesztercsab opened on Feb 21, 2025
  4

• CLI managed identity authentication does not work with non-IMDS token endpoints or sytem-assigned managed identities

  microsoft/dev-tunnels#511 · Filter by author maskati opened on Feb 7, 2025

• Inspect multiple ports of a tunnel in a single URL

  microsoft/dev-tunnels#510 · Filter by author konjac opened on Jan 27, 2025

• RefreshPorts code path doesn't really make sense

  microsoft/dev-tunnels#509 · Filter by author williammartin opened on Jan 21, 2025
  1

• Tunnel adds unnecessary response headers

  microsoft/dev-tunnels#508 · Filter by author gerneio opened on Jan 17, 2025
  1

• Append/Replace Forwarded headers

  microsoft/dev-tunnels#507 · Filter by author gerneio opened on Jan 15, 2025

• Installing in Codespaces (Ubuntu/Bash) adds to Zsh profile

  microsoft/dev-tunnels#499 · Filter by author rido-min opened on Dec 6, 2024

• Wrong encoding in the URI path of PF request

  microsoft/dev-tunnels#492 · Filter by author osortega opened on Oct 16, 2024

• How to provide the token over WebSocket?

  microsoft/dev-tunnels#478 · Filter by author phryneas opened on Sep 5, 2024
  4