Per bug 1190968, Wikipedia put in a request that the "w" needs to be updated. This is the iOS equivalent.
Would it be possible to merge this https://github.com/mozilla/firefox-ios/pull/963 before RC?
I cherry-picked the icon changes, 'cos those are easy. Let me double check with BD about the search engine changes.
Jeff pointed me to the parallel Android bug for engine additions, so I merged those changes, too.