I just added a Vote to Close How to make a DIY video player? As I have found in the past, the only option for "This question belongs on another site in the Stack Exchange network" is https://diy.meta.stackexchange.com So instead I selected "Other".
What is the process for adding other sites to "This question belongs on another site in the Stack Exchange network"? Just off the top of my head, some that have been appropriate at times include:
and there are probably a few others that would be reasonable to have available as choices.
I just found this:
from several years ago. So this is not a new problem. Is there a solution?