User blog comment:DaNASCAT/Technical Update: September 9, 2015/@comment-5558012-20150909235922

"The Insights module on WikiActivity now shows the right icons for the top two items."
 * I'll take the simple updates. Glad this will be fixed as it's been bugging me every time I look at that module.

"The messages are only intended to be used for a custom welcome message and for simple emoticons."
 * I wouldn't be surprised if there are some crazy emoticons on there. Some wikis simply overdo it.