>>/2221/
I had the same issue (it started on  Sunday's afternoon) 
> It seemed like it was on autosage
Probably yes, because I tried to post on another board (choosing a thread at page 2) and that thread bumped correctly after my post
PS: I'm typing from phone, by the way (I'm saying that because another anon answered to me that it happened to him too on mobile version of the site)