I have two dashboards. Default one (overview) and my custom one for testing purposes. On most devices both are available without problem.
Recently on one of my devices (Fedora35, Chrome) the Overview tab disappeared from the menu, while dashboard itself is still available when using lovelace/home URL
Now interesting thing:
When entering Edit items of side menu and removing Test dashboard, Overview dashboard will apear. But adding it will return Test dashboard.
I think it just gets hidden if you select a different dashboard as the default. This is a device specific action, that’s why it is only happening on one of yours.
But why it gets hidden? The option says “Pick a default dashboard for this device.”. It should has nothing to do with hiding items from menu, especially while this hidden dashboard is available without restriction (not saying I’m administrator so it shouldn’t matter anyway)
Not the first nor the last awkward decision. Incl. the fact that the message you pasted is located in completely different place, instead being near to edit sidemenu option.
Anyway I wasn’t aware about that.
Thank you very much for pointing me to this. Appreciate your help.