# Description: [Safari doesn't officially support](https://caniuse.com/?search=requestIdleCallback) the `requestIdleCallback` api yet (can be enabled via experimental WebKit features). The `requestIdleCallback` api is still [under consideration](https://webkit.org/status.html#feature-requestidlecallback) by WebKit. ## Example:  # Work Around: polyfill the `requestIdleCallback` api [requestidlecallback-polyfill](https://www.npmjs.com/package/requestidlecallback-polyfill) [aFarkas/requestIdleCallback](https://github.com/aFarkas/requestIdleCallback) # Environment: "react-vtree": "^3.0.0-beta.3", Safari Version 15.3 (17612.4.9.1.8)