My opinion is the resolution is so small and blurry it’s difficult to comment.
Are you asking about something specific?
That looks like paint/texture overspray.
Is it cold where you are? It looks like an ice formation. Possibly from a bath fan not vented to the exterior.
Well, I guess it is not ice.
Looks like over spray/texture
it is cold today. 80 degrees Fahrenheit.
That’s not cold.
Is it near the attic entrance? If it is It could be what Bryan said.
Cold its going to be 6 Fahrenheit Christmas eve here, that will put frost in your beard
thank you for your opinions
That could be cool for Sir Roy…
You beat me to it, I’m guessing it was most likely limited to just that area (at least it is not localized to just the inside of the electrical panel…).
I see what looks like a cracked truss