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React-19

Rendering Millions: Mastering List Virtualization with TanStack Virtual in React

It’s 2025. Browsers are faster, JavaScript engines are marvels of engineering, and devices have more RAM than the servers we used a decade ago. Yet, one thing remains painfully consistent: if you try to shove 10,000 DOM nodes into a webpage at once, the browser will choke.

Exorcising Ghost Renders: Advanced Patterns for React Performance

It’s 3 AM. You’ve just shipped a feature. The logic is sound, the tests pass, but the UI feels… heavy. Input fields lag by a fraction of a second. Animations stutter on mobile devices. You check your network tab—it’s clean. You check your bundle size—it’s optimized.

Mastering Concurrent Rendering: A Deep Dive into Transitions and Deferring

The era of “janky” user interfaces is officially over. In the landscape of 2025, users—and their high-refresh-rate displays—have zero tolerance for blocked main threads. If your dashboard stutters when a user types into a filter input, you aren’t just losing frames; you’re losing trust.

React 19 Deep Dive: Mastering the Compiler, Actions, and Advanced Hooks

If you’ve been writing React for the better part of a decade, you know the drill. You write a component, you realize a child is re-rendering unnecessarily, and you begrudgingly wrap a callback in useCallback or a calculation in useMemo. We’ve spent years micromanaging dependency arrays and fighting the “rules of hooks.”