Microsoft AI releases & news

Every Microsoft AI release AI/TLDR has verified from a primary source: 19 so far, mostly 8 tools, 4 models and 3 security. Latest: Microsoft-Decision-1 — a fast decision model at $0.042 per million tokens (2026-10-09).

19 releases tracked · www.microsoft.com

• Microsoft-Decision-1 — a fast decision model at $0.042 per million tokens2026-10-09 · model · major

  Microsoft's first decision model scores fixed answer options in one pass, for routing, guardrails and grading agent actions.

• Microsoft Execution Containers (MXC) — Windows agent sandbox goes GA2026-10-07 · tool · major

  Windows now gives AI agents an OS-enforced sandbox, and Microsoft is pushing more models to run locally on PCs.

• New Microsoft Copilot — one app for chat, code and always-on agents2026-09-25 · tool · major

  Microsoft folds chat, a document-editing agent, an app builder and an always-on agent into one Copilot app.

• Agent Lightning v1.0 — Microsoft's RL trainer plugs into real agent harnesses2026-08-17 · repo · major

  Agent Lightning v1.0 lets you reinforcement-learn a model without rewriting the agent that will run it in production.

• Microsoft merges its two Copilot apps — three features retire on August 182026-08-13 · ecosystem · major

  Microsoft is cutting Group Chat, Podcasts and Deep Research as it folds two Copilot apps into one.

• MAI-Realtime rumor — Microsoft's full-duplex voice model hidden in MAI Playground2026-08-02 · rumor · rumor

  TestingCatalog spotted an unannounced Microsoft voice model — MAI-Realtime — running as a hidden preview alongside the public MAI models.

• Microsoft Mage-VL — 4B codec-native multimodal cuts video tokens by 75%2026-07-27 · model · major

  Mage-VL treats a video like a codec — keep anchor frames, drop most predicted-frame patches, and cut visual tokens by 75%.

• Microsoft July Patch Tuesday — record 570 fixes as AI-driven bug hunting spikes2026-07-15 · security · major

  Microsoft ships its biggest-ever monthly patch and says AI is why it can find so many bugs at once.

• FastContext — Microsoft's Explore subagent cuts coding-agent tokens by 60%2026-06-15 · paper · notable

  Small 4B subagent that searches the repo for a bigger coding model, lifting SWE-bench resolution by up to 5.5% while cutting main-agent tokens by 60%.

• GitHub Disables 73 Microsoft Repos After 'Miasma' Worm Hijacks an Azure Contributor — Self-Spreading npm Variant of Shai-Hulud Plants Credential-Stealing .claude/, .gemini/, .cursor/, and .vscode/ Configs That Fire When AI Coding Agents Open the Repo and Harvest AWS, Azure, GCP, and Kubernetes Keys2026-06-08 · security · major

  Self-spreading npm worm jumped from Red Hat packages to Microsoft GitHub orgs and weaponized AI coding agent config files to harvest cloud credentials.

• Microsoft Aion 1.0 — On-Device Windows AI Lineup Debuts at Build 2026 With Aion 1.0 Instruct in Edge Insider Today and a 14B Aion 1.0 Plan Reasoning + Tool-Calling Model Shipping In-Box2026-06-02 · model · major

  Microsoft ships a Windows-native AI model line: a small Instruct SLM for everyday text tasks and a 14B agentic Plan model that runs in-box.

• Microsoft Scout — Always-On 'Autopilot' Agent for Microsoft 365 Built on OpenClaw, Rolls Out to Frontier Customers via Teams, Desktop, and Browser2026-06-02 · tool · major

  Microsoft's first Autopilot agent: an always-on M365 worker with its own identity, audit trail, and OpenClaw foundation.

• Microsoft Open-Sources RAMPART and Clarity — A Pytest-Native Red-Teaming Framework for AI Agents and a Pre-Code Design Sounding Board2026-05-20 · security · major

  Two open-source tools that bake agent red-teaming and design review into the development workflow.

• VS Code Reverts Default Copilot Co-Author Attribution After 1.2K-Point HN Backlash2026-05-03 · tool · major

  After a 1.2K-point Hacker News thread, Microsoft reverts the VS Code default that tagged commits with a Copilot co-author trailer.

• Microsoft Agent 365 Hits GA — Cross-Cloud Governance for Local and SaaS AI Agents2026-05-01 · tool · major

  A unified control plane that discovers, governs, and secures every AI agent running across your enterprise.

• Microsoft Agent Governance Toolkit — Runtime Security for AI Agents2026-04-02 · tool · major

  The first open-source toolkit to address all 10 OWASP Agentic AI security risks with deterministic policy enforcement.

• Microsoft Copilot Health — Personal AI Health Companion2026-03-12 · tool · major

  Microsoft's AI health companion that turns your scattered medical data into actionable insights.

• Microsoft Agent Framework 1.0 — Production Multi-Agent Orchestration2026-04-03 · tool · major

  Microsoft unifies Semantic Kernel and AutoGen into one production agent framework with MCP and A2A support.

• Harrier — Microsoft's Open-Source Multilingual Embedding Model Family2026-04-06 · model · major

  Microsoft's Bing team open-sources a decoder-only embedding family that tops the multilingual MTEB-v2 leaderboard.

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