Here are a few slides, shown in the IMUG Planning Committee, that summarize the feedback received.

On a scale from 1 to 5, the overall event score was 4,38 - not bad at all!
The scale:  1-Strongly Disagree  2-Disagree  3-Somewhat agree  4-Agree  5-Strongly agree
A more detailed result learns us that car parking was perceived as difficult.
This needs some extra attention in the future
Some answers on the first question asked: "If you could change one thing to make the next event excellent, what would it be?"
And some answers on the second question asked: "Name one thing that we should absolutely no change in our next event."