[OnMyPhone]

"I'm also unable to see a list of my contacts filtered by who is online in the app, which I consider to be as basic as it gets."

It still boggles my mind that someone thought this is a good thing to do.

I read on a KB on MS site when I was trying to figure out how to change that, and it said to see if someone is online send them a message first. I'm paraphrasing of course, but I couldn't believe that that was coming from MS about something so simple as trying to figure out who is online.