💥 ResizeObserver Error in React (Why it appears only in DEV and scares everyone 😱) " Uncaught runtime errors: ResizeObserver loop completed with undelivered notifications " If you have ever seen this red screen suddenly appear while scrolling, resizing, or editing an AG Grid… 👉 Welcome to the ResizeObserver Club 🎉 🤔 What is ResizeObserver? ResizeObserver is a browser API that watches: Element width changes Element height changes Layout recalculations Modern UI libraries like: AG Grid Material UI Ant Design use ResizeObserver heavily to keep layouts perfect. AG Grid uses it a LOT 👀 😈 What does this error actually mean? In simple words: "Hey browser, I tried to recalculate layout again and again… but UI kept changing continuously 😤" So the browser says: "Enough! I’m stopping this infinite resize loop." 💥 🧠 Real Reasons Why This Happens (AG Grid Edition) 1️⃣ Dynamic height inside CellRenderer Example: Height keep...
A cozy space where I share my daily Java learnings, issues, and solutions.