What happened with proprietary OS?
Now if you don't have an SSD ,the whole UI is so slow.

It only happens with MacOs and Windows.

One more reason to use Linux

Material-ui looks and complete and so but their documentation is a nightmare .

They seperated component example and the code of those example.You gotta go to one page to see a silder example and test it and then you have to click on a link at the bottom of the page to go to the code where they mixed multiple variation of this compoment into the same spaghetti code.