It has not "disappeared", nor has it ever "disappeared".
It's not as if topics wanders off on their own from time to time.
As already stated above, it is not (nor has it ever been) possible to search for MySQL stopwords.
One of the MySQL stopwords is "following".
For a list of the MySQL stopwords, see my post above, as well as in all three quotes (including the one in your post).
As already stated above, "The Following" is available in the A-Z index list, as all TV-series topics are.
And as "The Following" isn't Animated or Non-Scripted or Foreign Language, there are logically only two possible sections it can be located in.
The only two sections a scripted TV-series can be located in are: "Running / Returning Series", and "Completed / Cancelled Series".
Please check both if you have no idea if the TV-series you are looking for is running, or has been cancelled.