WebStorm 2025.3: Enhanced Monorepo Support, Framework Improvements, Vitest 4 Support, Multiple Agents in AI Assistant, Remote Debugging, and More

WebStorm 2025.3 introduces a service-powered TypeScript type engine for better performance and accuracy, enhanced monorepo support with improved pnpm and Nx workspace handling, and remote debugging capabilities for JavaScript projects in WSL and Docker. The release adds Vitest 4 support, integrates Claude Agent and Junie in the AI Assistant, updates CSS syntax to align with WebRef specifications including new math functions, and consolidates Node.js, Bun, and Deno configuration into a unified JavaScript Runtime settings page. Additional improvements include Angular 20.2 template syntax support, Vue 3.6 Vapor mode recognition, Astro parser fixes, and a new Prettier language status widget.