Blank screens. The browser knows they layout of the page as the scroll bar indicator still functions, it’s just a white screen. Killing the browser and restarting will make the page load.

It sometimes loses its idea of where the top of the page is and all page elements are rendered normally, just a few hundred pixels above where they should be and no amount of dragging of the screen will get the top of the page visible.

On old reddit trying to touch a link sometimes results in text way up the page being rerendered with a different kerning, or font size, resulting in different line wrapping and making a bunch of page elements move and you get the wrong link.

I've seen this bug too - also on an XR