One of the issues commented during the workshop yesterday was the difficulty of involving in our projects volunteer contributors that are interested in design.

The UX community from stackexchange may be a good place to get feedback from other designers or design enthusiasts.
It is a Q&A site with 15k users and 99% of questions get answers according to their statistics.

We tried this some time ago, and published a question with out initial wireframes to bring attention to the ULS designs.
I think it is a good way to have some additional feedback from a different point of view, but also to make design enthusiasts aware that they can find design-related projects in MediaWiki.org.

Pau

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Pau Giner
Interaction Designer
Wikimedia Foundation