Yeah, I can confirm this does happen. I have a pretty good laptop, it's not just you.
Can confirm this happens, I've had it happen to me once, to a friend once, and to another friend once. All different recipes. Makes much more sense once you explained why it happens,
Shiny Bunny There would be no need to change the speed which you can throw out stuff. Holding down CTRL... or shift, I don't remember which one... will allow you to throw out the whole stack, and if necessary you can do the stuff from inside your inventory.
Timothy, I get that it isn't random. I tried to explain that it was a random one it teleported me too, and it just made a link like you said. I''ll edit it to be more specific.
… This is weirdly worded, but ok. Spawners require 2 things in order to spawn things. #1 No light around it. #2 Valid solid blocks underneath it. It cannot spawn on air. This might be the problem you are running into, but I'm not sure cause you didn't put any pictures in.
I'm having this same problem. I only noticed after reading this. I've seen one group of salmon since I updated to 1.13 pre-3.