In cPanel & WHM version 58, we’re removing several jQuery libraries from our product and will no longer ship them.
We’re removing the following jQuery libraries:
If you have implemented custom code that requires any of these libraries, you will need to either install these libraries separately, or update your custom code. We will continue to ship jQuery 1.11.3.
For more information about jQuery in cPanel & WHM, read our Guide to cPanel Interface Customization – jQuery documentation.