warning logged in extension manager (Chrome and Edge)

[MaxterBattle]

Warning: ReactDOM.render is no longer supported in React 18. Use createRoot instead. Until you switch to the new API, your app will behave as if it's running React 17. Learn more: https://reactjs.org/link/switch-to-createroot

Context

extension://fahmemdakafnmbmhampginkgelnjocpg/pages/popup/index.html

Stack Trace

pages/popup/index.js:3459 (printWarning)
pages/popup/index.js:3433 (error)
pages/popup/index.js:32919 (render)
pages/popup/index.js:33136 (anonymous function)