Dew Drop – April 21, 2026 (#4651)

This article is a curated roundup of top technology links for April 21, 2026, covering a wide range of IT and software development topics. Highlights include writing Node.js addons with .NET Native AOT, changes to GitHub Copilot plans, VS Code Agents, and React trends for 2026. It also features web development tutorials on Markdown, PWAs, and secure PDF signatures, .NET updates like C# scripting and Visual Schema Compare, AI content on agents, GPT-5 vs GPT-4.1, and MCP servers, plus Windows development insights and tech event announcements. This is a resource for developers seeking the latest in programming, AI, and tech industry news.