Well, after waiting 2-3 weeks, the update hit the last device as well. And when version 1.1.9 arrived a few days a go, all 4 bulbs got the updates at the same time.

Seems like "I would report the feedback to the senior engineers for further evaluation." is the standard answer. IF they had any serious plans to add this feature, they would have done it by now. So...

Hi, I have bought four L510E smart bulbs. I bought all four at the same store at the same time. When I set the smart bulbs up the first time, 3 of them instantly found new firmware and upgraded to...

Yes, sounds like a really good idea