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jimmyca15 merged 7 commits into from
Apr 24, 2026
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.NET Feature Management v4.5.0 release notes #1151

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98396ae
Add .NET Feature Management 4.5.0 release notes entries
Copilot Apr 17, 2026
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Fix 4.5.0 release note wording: remove 'strongly typed', correct Para…
Copilot Apr 20, 2026
20b3d85
Update 4.5.0 release date to April 23
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6 changes: 5 additions & 1 deletion releaseNotes/Microsoft.Featuremanagement.AspNetCore.md
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[Source code][source_code] | [Package (NuGet)][package] | [Samples][samples] | [Product documentation][docs]

## 4.5.0 - April 23, 2026

* Updated `Microsoft.FeatureManagement` reference to `4.5.0`. See the [release notes](./Microsoft.Featuremanagement.md) for more information on the changes.

## 4.4.0 - December 18, 2025

* Updated `Microsoft.FeatureManagement` reference to `4.4.0`. See the [release notes](./Microsoft.Featuremanagement.md) for more information on the changes.
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[docs]: https://github.com/microsoft/FeatureManagement-Dotnet
[package]: https://www.nuget.org/packages/Microsoft.FeatureManagement.AspNetCore
[samples]: https://github.com/microsoft/FeatureManagement-Dotnet/tree/master/examples/FeatureFlagDemo
[source_code]: https://github.com/microsoft/FeatureManagement-Dotnet/tree/master/src/Microsoft.FeatureManagement.AspNetCore
[source_code]: https://github.com/microsoft/FeatureManagement-Dotnet/tree/master/src/Microsoft.FeatureManagement.AspNetCore
4 changes: 4 additions & 0 deletions releaseNotes/Microsoft.Featuremanagement.Telemetry.ApplicationInsights.md
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[Source code][source_code] | [Package (NuGet)][package] | [Samples][samples] | [Product documentation][docs]

## 4.5.0 - April 23, 2026

* Updated `Microsoft.FeatureManagement` reference to `4.5.0`. See the [release notes](./Microsoft.Featuremanagement.md) for more information on the changes.

## 4.4.0 - December 18, 2025

* Updated `Microsoft.FeatureManagement` reference to `4.4.0`. See the [release notes](./Microsoft.Featuremanagement.md) for more information on the changes.
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11 changes: 11 additions & 0 deletions releaseNotes/Microsoft.Featuremanagement.md
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[Source code][source_code] | [Package (NuGet)][package] | [Samples][samples] | [Product documentation][docs]

## 4.5.0 - April 23, 2026

### Enhancements

* Added support for custom feature definition providers to pass filter settings directly by using `ParametersObject`, reducing configuration-conversion overhead for non-configuration-backed sources. [#589](https://github.com/microsoft/FeatureManagement-Dotnet/pull/589)
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Copilot AI Apr 24, 2026

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Minor wording issue: “pass … directly by using” is redundant and reads awkwardly. Consider rephrasing to something like “pass filter settings directly using ParametersObject …” (or equivalent) to improve readability.

Suggested change
* Added support for custom feature definition providers to pass filter settings directly by using `ParametersObject`, reducing configuration-conversion overhead for non-configuration-backed sources. [#589](https://github.com/microsoft/FeatureManagement-Dotnet/pull/589)
* Added support for custom feature definition providers to pass filter settings directly using `ParametersObject`, reducing configuration-conversion overhead for non-configuration-backed sources. [#589](https://github.com/microsoft/FeatureManagement-Dotnet/pull/589)

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* Improved filter parameter caching behavior for custom feature definition providers that wrap the built-in `ConfigurationFeatureDefinitionProvider`. [#367](https://github.com/microsoft/FeatureManagement-Dotnet/issues/367)

### Bug Fixes

* Fixed a bug where evaluating features with `RequirementType.All` and `IgnoreMissingFeatureFilters` could throw instead of treating missing filters as disabled. [#586](https://github.com/microsoft/FeatureManagement-Dotnet/issues/586)

## 4.4.0 - December 18, 2025

### Enhancements
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