Bug: Grab Items from OOB and view unusued items.
Replication: On day 19 during the goblin section, resize the game window to be super wide, then use the enhanced dino grabber (Yes, that thing's back to cause more trouble) and drag it into the black parts of the window, away from the main screen.
Result: You can not only grab things from off screen but even see what's there through the mirror.
Notes: After experimenting for a bit I believe I have found several items that are intended to be used in future updates. In total I was able to grab 27 different items, some already in the playable game, some unreleased.
Potential Fix: Apparently you have to interact with the items using the dino grabber first before being able to handle them without it. Therefore you could apply whatever it is that prevents you from grabbing stuff from OOB normally to the dino grabber aswell. Or alternatively somehow confine the dino grabber to stay within the mainscreen at all times and not move past it.
Demonstration video: