I had a good time at OSB this year. But I enjoyed it more in past years, and I’d say that this year was good, but not great.
In terms of focus and information, OSB is geared for projects first and technology second. Most of the talks are about the psychology, logistics, mechanics, or organization of open-source projects, often from the perspective of a project organizer or lead developer. If you use (but don’t organize, run, or contributed often to…) open-source projects, you have to internally re-map these talks to benefit from them. There are some technology talks, and of course technology is also brought up in the project talks. But no talk delves into technology to any great degree.
The other (big) open-source conference, OSCON, is (I think) inversely geared. It’s for technology first and projects second. Most of its talks are about effective technology use and migration; a minority are about project management and organization.