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Add note that DOTNET_ADDITIONAL_DEPS only works with framework-dependent applications #36038

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Add note that DOTNET_ADDITIONAL_DEPS only works with framework-dependent applications #36038

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Add note that DOTNET_ADDITIONAL_DEPS only works with framework-depend…
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Update aspnetcore/fundamentals/host/platform-specific-configuration.md
tdykstra Sep 6, 2025
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8 changes: 7 additions & 1 deletion aspnetcore/fundamentals/host/platform-specific-configuration.md
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Expand Up @@ -5,7 +5,7 @@ description: Discover how to enhance an ASP.NET Core app from an external assemb
monikerRange: '>= aspnetcore-2.1'
ms.author: tdykstra
ms.custom: mvc
ms.date: 09/26/2019
ms.date: 09/04/2025
uid: fundamentals/configuration/platform-specific-configuration
---
# Use hosting startup assemblies in ASP.NET Core
Expand Down Expand Up @@ -336,6 +336,9 @@ deployment/additionalDeps/shared/Microsoft.AspNetCore.App/3.0.0/StartupDiagnosti

For runtime to discover the runtime store location, the additional dependencies file location is added to the `DOTNET_ADDITIONAL_DEPS` environment variable.

> [!NOTE]
> The `DOTNET_ADDITIONAL_DEPS` environment variable only works with framework-dependent applications. This environment variable is ignored for self-contained applications.

In the sample app (*RuntimeStore* project), building the runtime store and generating the additional dependencies file is accomplished using a [PowerShell](/powershell/scripting/overview) script.

For examples of how to set environment variables for various operating systems, see [Use multiple environments](xref:fundamentals/environments).
Expand Down Expand Up @@ -722,6 +725,9 @@ deployment/additionalDeps/shared/Microsoft.AspNetCore.App/2.1.0/StartupDiagnosti

For runtime to discover the runtime store location, the additional dependencies file location is added to the `DOTNET_ADDITIONAL_DEPS` environment variable.

> [!NOTE]
> The `DOTNET_ADDITIONAL_DEPS` environment variable only works with framework-dependent applications. This environment variable is ignored for self-contained applications.

In the sample app (*RuntimeStore* project), building the runtime store and generating the additional dependencies file is accomplished using a [PowerShell](/powershell/scripting/overview) script.

For examples of how to set environment variables for various operating systems, see [Use multiple environments](xref:fundamentals/environments).
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