The full wiki cleanup is a project I'm doing where I'm going through every single page in mainspace on the Wiki to clean and update things. I also change whatever else needs changing, like interwikis, categories, and Style Guidelines.
Even after 3.0 Articles, many pages on the wiki are still outdated and need changing. One example is the common usage of BYOB in pages. All pages need to be updated to use "Snap!" unless the section is about an old version of Snap.
I am currently on:
Change () Effect by () (Sound block)