📰 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.
https://devblogs.microsoft.com/dotnet/microsoft-author-signing-certificate-update-2026/ #dotnet
.NET
npub1ww…u6gtr
2026-09-25 08:29:31 UTC
Author Public Key
npub1wwg86pvegzydrj6sgpemrjvg8dl8q7v86rrzcrrtfd3cqusaqdzqku6gtrSeen on
wss://relay.momostr.pinkPublished at
2026-09-25 08:29:31 UTCEvent JSON
{
"id": "ec87ca6c2ebbb5b39ad12ede6011bb84a42393738508221b8b1fbe8e945293df",
"pubkey": "73907d05994088d1cb504073b1c9883b7e707987d0c62c0c6b4b6380721d0344",
"created_at": 1790324971,
"kind": 1,
"tags": [
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"content": "📰 Microsoft is updating its author-signing certificate starting September 23, 2026 \n\nStarting 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.\n\nhttps://devblogs.microsoft.com/dotnet/microsoft-author-signing-certificate-update-2026/ #dotnet",
"sig": "0eaaf36bb199e395ff8debcf443328d79a214abd02a9b1a99e7a81069155f29e486c53b0fada39b0a6fe8370ead6b373eca4253add68816b530a18e03590c6bd"
}