Description:

Safari doesn't officially support the requestIdleCallback api yet (can be enabled via experimental WebKit features).
The requestIdleCallback api is still under consideration by WebKit.

Example:

Work Around:

polyfill the requestIdleCallback api
requestidlecallback-polyfill
aFarkas/requestIdleCallback

Environment:

"react-vtree": "^3.0.0-beta.3",
Safari Version 15.3 (17612.4.9.1.8)