I tried with the Featured Lists component, it already has a setting to show the component everywhere. This doesn’t include admin routes, but I tried on all others (static pages, user profiles,…) and it seems to work everywhere expect the custom homepage.
The other weird thing is, as mentioned, that it only doesn’t filter the first list. E.g. here I filter two lists, one for tag featured, one for General category, and that’s how the lists show on all other routes:
Just on the custom homepage route, they show like this:
So the first list doesn’t filter for the tag any more, but the second list does filter for the category. And when I switch the order of the lists, the first list doesn’t filter for category, but the second does filter for the tag:
