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← Daily Brief for August 24, 2026

Microsoft Agent Framework adds recovery mechanics for long-running agents

Focus: Technical AI Engineering
Date: August 21, 2026
Topics: Harness engineering, long-running workflows, checkpoints, approvals, A2A, MCP
Evidence: Unspecified
Availability: Unspecified

Rail-style diagram showing checkpoints, steering, and recovery in a long-running agent workflow

Summary: Microsoft Agent Framework Python 1.15.0 adds steering, retry, and recovery support for resilient Foundry Hosted Agents, along with long-running workflow samples. The release also introduces a first-class fatal middleware signal, a workflow checkpoint type registry, persisted approval state, and fixes for A2A inputs, tool-call duplication, remote MCP name shadowing, and superlinear history growth.

Why it matters: The release treats failure recovery, approvals, state restoration, and trace continuity as core harness responsibilities. Those mechanics determine whether an agent can resume safely after interruption instead of repeating work, losing context, or silently diverging.

Source: Microsoft Agent Framework 1.15.0 release


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