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NuGet · #1424 most downloaded on NuGet
Application Insights NLog Target is a custom target allowing you to send NLog log messages to Application Insights. Application Insights will collect your logs from multiple sources and provide rich powerful search capabilities. Privacy statement: https://go.microsoft.com/fwlink/?LinkId=512156
Last release 4 months ago
28 May 2026
Release timing varies
gaps range from 2 weeks to 1.4 years
Most releases are documented
notes for 29 of 37 stable releases
53 versions withdrawn
withdrawn after publishing
127 years old
97 releases · first in 1900
BASE: Revert changed namespace: `SamplingPercentageEstimatorSettings`, `AdaptiveSamplingPercentageEvaluatedCallback`
BASE: Report internal errors from Microsoft.AspNet.TelemteryCorrelation module
TelemetryClient.GetMetric(..).TrackValue(..) and related APIs always locally pre-aggregate metrics before sending. They are replacing the legacy TelemetryClient.TrackMetric(..) APIs. (More info.)One column per quarter.
BASE: Changed signature of TelemetryClient.TrackDependency
WEB: Fix: System.InvalidCastException for SQL Dependency
WEB: Hotfix to address the issue where DependencyCollection breaks Azure Storage Emulator calls
BASE: Updated version of DiagnosticSource to 4.4.0 stable
BASE: Removed metric aggregation functionality as there is not enough feedback on the API surface yet.
BASE: Includes all changes since 2.1.0 stable release.
BASE: Add ExceptionTelemetry.Message property. If it is provided it is used instead of Exception.Message property for the outer-most exception.
NETCORE: Updated SDK version dependency to 2.4.0.
BASE: Disallow Nan, +-Infinity measurements. Value will be replaced on 0.
BASE: Fix UI thread locking when initializing InMemoryChannel (default channel) from UI thread.
ITelemetryProcessor and ability to construct chain of TelemetryProcessors via code or config.Microsoft.ApplicationInsights.dll for the framework 4.6 is now part of the package.Name property of EventTelemetry was set to 512.Name of OperationContext was renamed to RootNameId of RequestTelemetry was removed.Id and Context.Operation.Id of RequestTelemetry would not be initialized when creating new RequestTelemetry.OperationContext: CorrelationVector, ParentId and RootId to support end-to-end telemetry items correlation.BASE: TrackDependency will produce valid JSON when not all required fields were specified.
RequestTelemetry.ID is now just a proxy for RequestTelemetry.Operation.Id.ISupportSampling and explicit implementation of it by most of data item types.Count property on DependencyTelemetry marked as Obsolete. Use SamplingPercentage instead.CloudContext introduced and properties RoleName and RoleInstance moved to it from DeviceContext.AuthenticatedUserId on UserContext to specify authenticated user identity.Nothing published for this version
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BASE: Telemetry item will be serialized to Debug Output even when Instrumentation Key was not set.
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WEB: Telemetry initializers that do not have dependencies on ASP.NET libraries were moved to the new dependency nuget "Microsoft.ApplicationInsights.W
Web:
Dependencies:
SamplingRatio of DependencyTrackingTelemetryModule does nothing and marked as obsolete.Performance Counters
WindowsServer
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WEB: Moved telemetry initializers and telemetry modules from separate sub-namespaces to the root Microsoft.ApplicationInsights.Extensibility.Web names
Web:
Microsoft.ApplicationInsights.Extensibility.Web namespace.Microsoft.ApplicationInsights.Extensibility.Web namespace name.DeviceContextInitializer from the Microsoft.ApplicationInsights assembly to the
Microsoft.ApplicationInsights.Extensibility.Web assembly and converted it to an ITelemetryInitializer.Dependencies:
Microsoft.ApplicationInsights.Extensibility.RuntimeTelemetry to
Microsoft.ApplicationInsights.Extensibility.DependencyCollector for consistency with the name of the NuGet package.RemoteDependencyModule to DependencyTrackingTelemetryModule.Performance Counters
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