Microsoft Agent Framework .NET 1.25.0 Released with Approval and Data Changes
Source Microsoft Agent Framework releases
At a glance
Version 1.25.0 of Agent Framework for .NET, Microsoft's tool for building AI agents, is now available. This update includes several feature fixes and changes.
Key points
The process for people to approve tool actions that an AI tries to run has changed. Approval requests that get no response are now automatically rejected.
The A2A package, a connection method that lets different AI agents talk to each other, has been updated to version 1.0.0 preview 3.
Conversation data saved in Cosmos databases is now separated from the data partitioning method. This change breaks compatibility.
Why it matters
If you build and use AI agents yourself, your existing code may be affected, so it's worth knowing about these changes.
Original article
dotnet-1.25.0
Microsoft Agent Framework releases · Oct 15, 2026, 4:19 AM GMT+9 · github.com
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