User blog comment:Rupert Giles/Layout Changes: Breakpoints and Typography/@comment-5420421-20150520003200/@comment-126761-20150520012822

Regarding that screenshot with the oddly large 'Recent Wiki Activity' text and large gap at the top - is that a bug you are seeing? If so, it's likely either caching from the recent update (in which case, refresh), or custom CSS interfering.