this site switches between blue and gray (including a different layout) while i browse it.
i am logged into the blue one but not into the gray one. i discovered that when i posted a reply - the poster is guest, whereas i am really atze…
anyone else seeing this?
When I installed the new forum software it included a few different themes. Guest see the gray theme, while being logged in sees whatever theme you set in your profile (which in this case would be the blue one).
Useful as a reminder that you aren’t logged in when posting… 
(not a bug, a feature?)