.NET

Microsoft is updating its author-signing certificate starting September 23, 2026

Starting September 23, 2026, Microsoft is updating the author-signing certificate used for NuGet packages. Customers using trusted signer policies or certificate fingerprint verification should add the new certificate as soon as possible.

Image: Microsoft .NET Blog

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  1. Microsoft .NET Blog

    Microsoft is updating its author-signing certificate starting September 23, 2026

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