Issues

• Azure Functions Host ignores Host.Results log level for HTTP request spans in OpenTelemetry mode

  Needs: Triage (Functions)
  Azure/azure-functions-host#12075 · Filter by author claria opened on Oct 5, 2026

• [Compute Separation] Re-enable auth on new endpoints

  Azure/azure-functions-host#12069 · Filter by author kshyju opened on Oct 1, 2026

• Compute separation: workers linked after ScriptHost startup do not become invocation-ready

  compute-separationNeeds: Triage (Functions)
  Azure/azure-functions-host#12067 · Filter by author fabiocav opened on Sep 30, 2026

• [Compute Separation][Preview][TEST-01] Test Preview behavior across languages and published artifacts

  compute-separation
  Task

  Azure/azure-functions-host#12063 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][TEST-02] Test changing an app to and from BYOC while functions are running

  compute-separation
  Task

  Azure/azure-functions-host#12062 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][TEST-03] Verify the maximum supported workers per Host

  compute-separation
  Task

  Azure/azure-functions-host#12064 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][LOG-01] Keep customer logging working and support direct OpenTelemetry

  compute-separation
  Task

  Azure/azure-functions-host#12061 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][BILL-01] Write execution metrics for BYOC billing

  compute-separation
  Task

  Azure/azure-functions-host#12058 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][EXT-01] Finish extension gRPC for Service Bus, Durable, and other extensions

  compute-separation
  Task

  Azure/azure-functions-host#12059 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][LOG-02] Add useful system logs without leaking customer data or secrets

  compute-separation
  Task

  Azure/azure-functions-host#12060 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][EXEC-01] Reject invalid worker messages and limit memory use

  compute-separation
  Task

  Azure/azure-functions-host#12056 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][EXEC-05] Run non-HTTP triggers on separate workers

  compute-separation
  Task

  Azure/azure-functions-host#12055 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][EXEC-03] Send requests to healthy workers and report available capacity

  compute-separation
  Task

  Azure/azure-functions-host#12053 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][EXEC-02] Forward HTTP requests and track when each invocation really finishes

  compute-separation
  Task

  Azure/azure-functions-host#12054 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][EXEC-04] Stop workers safely and handle worker failures

  compute-separation
  Task

  Azure/azure-functions-host#12057 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][LINK-03] Let workers use managed identity during startup and execution

  compute-separation
  Task

  Azure/azure-functions-host#12050 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][LINK-02] Encrypt Host-worker traffic and protect management APIs

  compute-separation
  Task

  Azure/azure-functions-host#12052 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][LINK-01] Link workers safely and report when each link succeeds or ends

  compute-separation
  Task

  Azure/azure-functions-host#12051 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][APP-02] Check worker startup, configuration, and function definitions

  compute-separation
  Task

  Azure/azure-functions-host#12048 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][APP-01] Send host.json from workers to the Host over gRPC

  compute-separation
  Task

  Azure/azure-functions-host#12049 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview][APP-03] Keep Host admin APIs working when no worker is available

  compute-separation
  Task

  Azure/azure-functions-host#12047 · Filter by author brettsam opened on Sep 30, 2026
  

• [Compute Separation][Preview] Host and WorkerProxy private-preview readiness

  compute-separation
  Feature

  Azure/azure-functions-host#12046 · Filter by author brettsam opened on Sep 30, 2026
  

• Migrate all test dependencies to CosmosDB emulator.

  Needs: Triage (Functions)
  Azure/azure-functions-host#12037 · Filter by author fabiocav opened on Sep 21, 2026

• Adjust Logging Level for Sync Triggers Minimal Payload Failure

  Needs: Triage (Functions)
  Azure/azure-functions-host#12035 · Filter by author satvu opened on Sep 18, 2026

• Isolated payload under FUNCTIONS_WORKER_RUNTIME=dotnet does not surface AZFD0013 before failing with an assembly load error

  Needs: Triage (Functions)
  Azure/azure-functions-host#12032 · Filter by author fzankl opened on Sep 18, 2026