Microsoft AI’s Optimizing the frontier performance curve argues frontier performance is now a cost/outcome-system problem, not just a model problem. Microsoft says it is co-optimizing models, harnesses, and RLEs so product and agentic systems can keep models substitutable.
Satya Nadella’s FY26 Q4 earnings call transcript says Copilot is moving from chat to Cowork to Autopilots, with Code folded into one consumer/commercial “super app”. He also says Agent 365 has nearly 40 million registered agents and that one in three GitHub PRs now involves an agent.
GitHub Copilot CLI v1.0.78-2 tightens the close confirmation UX, fixes extension slash commands firing twice, repairs inline image rendering after timeline scroll, and normalizes sessionEnd hook behavior for piped-stdin runs.
OpenAI Agents Python v0.19.2 exposes the original callable through wrappers, reports guardrail tripwires when runs abort, redacts more MCP/tool errors, and fixes several session/memory edge cases.
GitHub Copilot SDK v1.0.9-preview.2 fixes Python session-list decoding, preserves binary tool results, corrects approval schema aliases, and moves CustomAgentsLocalOnly into create/resume payloads for C#.