GamerTag shown as 'offline' even though I am all logged in

Please tag your post with #pc and/or #xbox.
pc

Are you on Steam or Microsoft Store version?
Steam

Are you using Developer Mode or made changes in it?
No

Brief description of the issue:
After the SU 6 I am noticing that my GamerTag is shown as ‘offline’ and I cannot switch back to on-line its drop down is locked into off-line.

Provide Screenshot(s)/video(s) of the issue encountered:

Detail steps to reproduce the issue encountered:
I can successfully launch the app from Stream, and get to the Home page.
When I click on my GamerTag in the top right hand corner it shows status as ‘Offline’.
I have already logged out and back in multiple times.
I have logged in and out of my XBOX account as well.
BTW: Starting with this issue, I am also unable to fly any flight, and get a CTD when click Fly Now button.

PC specs and/or peripheral set up of relevant:
Not relevant to this issue

Build Version # when you first started experiencing this issue:
1.20.6.0