Board Thread:Manga/@comment-5372555-20171231144453/@comment-32261140-20171231145618

The wiki is only updated after the official release. (Jan 8th)

We do this to prevent spoiling anybody who want to, or have to, wait for the official release.

See here: http://attackontitan.wikia.com/wiki/Attack_on_Titan_Wiki:Spoiler_Policy