Where have all the boards gone??!?
4chan and 8kun and reddit, probably
You must be imagining things, we've always had 17 boards.
Just some consolidation
Kakoka Ball
Coco Ball
It took me by surprise, too, since I only used to come here once a year or so. But >>3 is solid, I was able to find my old posts via https://archives.4-ch.net/