2 posts tagged with "infrastructure"

The Model Context Protocol specification release candidate (locked May 21, stable July 28, 2026) makes the protocol fully stateless — no handshakes, no session IDs, no sticky routing. Alongside that headline change, it graduates the extensions framework to first-class status, introduces MCP Apps for server-rendered UI, formalizes the Tasks extension for long-running work, adds production-grade observability headers, upgrades to full JSON Schema 2020-12, and hardens OAuth 2.0 authorization through multiple SEPs. Three features — Roots, Sampling, and Logging — are deprecated under a new lifecycle policy with a one-year sunset window.

Since June 1, every Copilot token has a dollar sign attached. You're thinking about model selection, prompt size, and whether that 200-line file really needs to be in context. Good — but while you optimize your side, the VS Code team has been shipping infrastructure-level improvements that cut token consumption and latency without any user action. Ryan Caldwell and Bhavya U published a deep dive on these changes, and the numbers are worth knowing. The platform is doing heavy lifting so you can focus on the strategies you control.