Dew Drop - June 29, 2026 (#4700)

This article is a comprehensive daily link collection (Dew Drop #4700) for June 29, 2026, featuring top stories on migrating Copilot CLI MCP config, previewing GPT-5.6, TypeScript 7 updates, and PowerToys v0.100.2. It covers web and cloud development best practices for ASP.NET Core, BlazorDX controls, ESLint v10.6.0, Dapr 1.18 with verifiable execution, and Windows Insider builds. Additional topics include .NET and Visual Studio updates, AI scheduling in GitHub Copilot CLI, building RAG systems, MCP security, open source maintainership in the AI age, and prompt compression to cut LLM costs. The article is highly relevant to IT/technology professionals.