Subject: bug#52886: 28.0.50; xwidget webkit fails to completly render on multiple windows

From: [email-masked]
Date: Wed, 29 Dec 2021 16:31:29 -0700

On emacs -Q compiled --with-webkit in xwayland on GNOME:
- M-x xwidget-webkit-browse-url RET then enter in some url
- C-x 3
- C-o
- C-x 2

The left window will now only show the top half of the webpage and the
bottom half will be white