I've installed fontawesome and menu icons on Drupal 11.0.4
The icons appear in menus using svg, but in views and content it looks like the display falls back to the
I'm also seeing some question / exclam marks when lists of icons for selection are shown when editing the content.
I've installed this on 11.0.4.
Two issues:
1. The picker appears top left corner of the screen. Changing CSS on the contained to position relative seems to fix this.
2. When you select something from the picker, the icon text field is not populated.