Boeing 787 - Does it have many problems?

BlogOkayama Prefecture: Okayama City

Heading to Okayama Airport to return to Tokyo. When I got there, the Boeing 787 departure was delayed.
Does it have many problems? So the area in front of the boarding gate was incredibly crowded.
I happened to take the next flight, but that flight ended up leaving first, so I filmed it.

I think the aircraft's shape is beautiful.