Gilles Dubuc, 26/09/2014 16:13:
On that note, it would be good to collect which unsupported extensions people are trying to upload. Statistics about that would tell us what new format support would have the biggest impact.
Or what file extensions correlate the most with user confusion. :p https://xkcd.com/1301/ I'm not sure it can predict anything but it would certainly be interesting, there may be some surprises.
Nemo