The title of this post does not really reflect what I want, so here is my attempt.
I use (like many of us I assume) the multi-home feature.
The feature works perfectly well when the task is multi-homed in 2 or more projects as a task.
It gets a bit non-user friendly when you move the task to a subtask in one of the projects it is homed in.
What I am asking for is to have a symbol next to the ‘project’ field within the task itself to identify that the task is multi homed. This makes it much easier than having to read at the top of the task in grey what projects it is in.
Here is an illustration: