User blog comment:Brandon Rhea/New Page and Article Headers: Official Release Date/@comment-25247620-20170613134422/@comment-4740726-20170613135355

«There is a Wiki Activity button to the right of the page count.»

Ah, that's great. Though the best would be the one in the right rail, since it would be more on level with the page content. This way, even though you have two buttons to the wiki activity page, they are near each other, on the top of the page.