This works with FTS but you have to make sure you have the right Query index set:
In your case you’d need
tshirts (dynamic)
size (child field)
color (child field)
It’ll work fine
This works with FTS but you have to make sure you have the right Query index set:
In your case you’d need
tshirts (dynamic)
size (child field)
color (child field)
It’ll work fine