diff --git a/releaseNotes/Microsoft.Featuremanagement.AspNetCore.md b/releaseNotes/Microsoft.Featuremanagement.AspNetCore.md
index 6b0622ac..816f2058 100644
--- a/releaseNotes/Microsoft.Featuremanagement.AspNetCore.md
+++ b/releaseNotes/Microsoft.Featuremanagement.AspNetCore.md
@@ -2,6 +2,16 @@
 
 [Source code][source_code] | [Package (NuGet)][package] | [Samples][samples] | [Product documentation][docs]
 
+## 4.1.0 - May 22, 2025
+
+### Enhancements
+
+* Updated `Microsoft.FeatureManagement` reference to `4.1.0`. See the [release notes](./Microsoft.Featuremanagement.md) for more information on the changes.
+
+### Bug Fix
+
+* Fixed a bug that caused duplicated dimensions in Application Insights telemetry. [#542](https://github.com/microsoft/FeatureManagement-Dotnet/pull/542)
+
 ## 4.0.0 - November 1, 2024
 
 ### Enhancements
diff --git a/releaseNotes/Microsoft.Featuremanagement.Telemetry.ApplicationInsights.md b/releaseNotes/Microsoft.Featuremanagement.Telemetry.ApplicationInsights.md
index 4e477252..356211e6 100644
--- a/releaseNotes/Microsoft.Featuremanagement.Telemetry.ApplicationInsights.md
+++ b/releaseNotes/Microsoft.Featuremanagement.Telemetry.ApplicationInsights.md
@@ -2,6 +2,16 @@
 
 [Source code][source_code] | [Package (NuGet)][package] | [Samples][samples] | [Product documentation][docs]
 
+## 4.1.0 - May 22, 2025
+
+### Enhancements
+
+* Updated `Microsoft.FeatureManagement` reference to `4.1.0`. See the [release notes](./Microsoft.Featuremanagement.md) for more information on the changes.
+
+### Bug Fix
+
+* Fixed a bug that caused duplicated dimension in Application Insights telemetry. [#542](https://github.com/microsoft/FeatureManagement-Dotnet/pull/542)
+
 ## 4.0.0 - November 1, 2024
 
 ### Enhancements
diff --git a/releaseNotes/Microsoft.Featuremanagement.md b/releaseNotes/Microsoft.Featuremanagement.md
index 6299adf5..2757eec7 100644
--- a/releaseNotes/Microsoft.Featuremanagement.md
+++ b/releaseNotes/Microsoft.Featuremanagement.md
@@ -2,6 +2,12 @@
 
 [Source code][source_code] | [Package (NuGet)][package] | [Samples][samples] | [Product documentation][docs]
 
+## 4.1.0 - May 22, 2025
+
+### Enhancements
+
+* Added `DefaultWhenEnabled` and `VariantAssignmentPercentage` fields to the `FeatureEvaluation` event. [#495](https://github.com/microsoft/FeatureManagement-Dotnet/pull/495)
+
 ## 4.0.0 - November 1, 2024
 
 ### Enhancements