fix: pin Amazon.Lambda.Tools to 5.13.2 for dotnet6 runtime - #897
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Amazon.Lambda.Tools 7.0.0 dropped support for .NET 6 (net6.0), breaking sam build --use-container for dotnet6. Pin to 5.14.0 (last compatible version) when the runtime is dotnet6.
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…time builds Replace __tools_installed boolean with __installed_version string so a dotnet6 build can re-pin Amazon.Lambda.Tools to 5.14.0 even if another runtime already installed the latest version in the same process.
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July 27, 2026 23:36
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Amazon.Lambda.Tools 7.0.0 dropped support for .NET 6 (net6.0), breaking sam build --use-container for dotnet6. Pin to 5.13.2 (last compatible version) when the runtime is dotnet6.
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Description of changes
Pin Amazon.Lambda.Tools to version 5.13.2 for dotnet6 runtime in GlobalToolInstallAction. Version 7.0.0 of
Amazon.Lambda.Tools dropped support for .NET 6.0 (net6.0), causing sam build --use-container to fail with NU1202 when
building dotnet6 Lambda functions. The fix passes the runtime to GlobalToolInstallAction and appends --version
5.13.2 to the dotnet tool install/update command only when the runtime is dotnet6. All other runtimes are unaffected.
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