Microsoft Teams now previews extended Markdown for agent messages, so agents can send tables, task lists, code blocks, equations, images, at-mentions, and citations while streaming, and the same update says Teams SDK for .NET 2.1.0 adds agentic identity, multi-flow OAuth, built-in state, and Bot Framework v4 compatibility. Sources: Microsoft Teams Platform Developer Announcements.
Microsoft Intune’s Change Review Agent is in public preview for Security Copilot and evaluates Multi Admin Approval requests for PowerShell scripts, then gives admins risk-based recommendations and context before approval or denial. Source: Microsoft Learn - Change Review Agent.
OpenAI’s API changelog says the Assistants API shut down on Aug. 26, 2026 and developers should migrate to the Responses API and Conversations API; the same changelog also adds per-request regional processing for eligible projects. Sources: OpenAI API changelog, Reddit migration thread.
Anthropic now documents Claude Sonnet 5 as a 1M-token model by default, and the pricing docs say the introductory price became the standard price on Aug. 31, 2026. That makes Sonnet 5 a more practical long-context option for agent and coding workloads. Sources: Claude Sonnet 5 docs, Claude pricing docs, HN: Claude Sonnet 5.