Bug? Editing Custom Compass card

Home Assistant 2022.7.5
Supervisor 2022.07.0
Operating System 8.2
Frontend 20220707.1 - latest

I have custom compass card that gives a visual indicator of the wind direction. When I try to edit it, I get:

I switch to Code Editor and see this (which is correct):

I edit in YAML and everything looks right:

However, back to the Visual Editor:

Note the tiny scroll bar- every entity in my system is listed here.

So, is it a bug, maybe in the custom card or my database??

Bug, but on the author’s github please.

Bug report receiver.

Due to unforseen personal circumstances it will take some time for me to address this issue.

I’m OK since I can still edit in YAML.