azure-functions-host
https://github.com/azure/azure-functions-host
C#
The host/runtime that powers Azure Functions
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- Issues
- Bump the github-actions group across 1 directory with 3 updates
- initializing ErrorEventsThreshold
- AZFD0010 timezone diagnostic never fires on Linux Consumption apps hosted on Legion
- Target-based scaling instance churn increased ~30–100x since 2026-08-18 with no corresponding code/config change (Flex Consumption plan, Node.js)
- [Draft] Add /admin/health/connectivity endpoint + connectivity health check (Network Troubleshooter prototype)
- Disabling function with event hub trigger does not prevent binding resolution when disable setting uses underscores
- Host reports 403 AuthorizationPermissionMismatch on Blobs with correct RBAC, indexes no functions, and reports nothing to App Insights
- Expose `PrimaryHostCoordinator` lease timeout and renewal interval as optional host configuration
- In the Azure Functions Flex Consumption plan, how can we get the current/instant instance count for a Function App?
- Host-emitted Microsoft.AspNetCore server spans intermittently missing faas.* attributes under concurrent load (isolated worker, OpenTelemetry mode)
- Docs
- C# not yet supported