Retrospective: SolidJS 2.0 Improved Our Dashboard Interactivity by 40% – No React Rewrite Needed When our internal analytics dashboard started struggling with lag during complex data filtering and real-time updates, our team faced a familiar crossroads: rewrite the entire React-based codebase to boost performance, or find a lighter-touch solution. We chose the latter, adopting SolidJS 2.0 incrementally – and the results exceeded our expectations. Our Dashboard's Performance Pain Points Built three years ago with React 16, our dashboard serves over 500 employees across sales, marketing, and operations. It processes real-time event streams, renders 12+ interactive chart types, and supports multi-dimensional filtering across 50+ data attributes.…