2026-07-30 visual-studioai-agentsdotnet Visual Studio 18.9 Lets You Set Thinking Effort Per Model Visual Studio 18.9 Insiders 2 adds a per-model thinking effort control with Low through Max levels, exposing the same reasoning-effort dial the underlying model APIs take.
2026-04-21 visual-studiodebuggingcopilot Visual Studio 18.5's Debugger Agent Turns Copilot Into a Live Bug-Hunting Partner Visual Studio 18.5 GA ships a guided Debugger Agent workflow in Copilot Chat that forms a hypothesis, sets breakpoints, rides along through a repro, validates against runtime state, and proposes a fix.
2026-04-14 dotnetcopilotgithub-copilot GitHub Copilot Modernization: The Assessment Report Is the Actual Product GitHub Copilot Modernization is pitched as an Assess, Plan, Execute loop for migrating legacy .NET apps. The assessment phase is where the value lives: an inventory report, categorized blockers, and file-level remediation guidance you can diff like code.
2026-03-29 dotnetaiai-agents What 878 Copilot Coding Agent PRs in dotnet/runtime Actually Look Like The .NET team shares ten months of real data on running GitHub's Copilot Coding Agent in dotnet/runtime: 878 PRs, a 67.9% merge rate, and clear lessons on where AI-assisted development helps and where it still falls short.