The Bug:
Powered buttons, pressure plates, and tripwire hooks remain powered forever after upgrading old worlds.
Steps to Reproduce:
Launch an instance of 1.11.2.
Place down a pressure plate and throw an item on top of it.
Exit the world and upgrade it into the latest snapshot.
Collect the item that's on top of the pressure plate and wait a couple of seconds.
Take note as to whether or not the pressure plate remains powered.
Observed Behavior:
Powered buttons, pressure plates, and tripwire hooks remain powered forever after upgrading old worlds.
Expected Behavior:
Powered buttons, pressure plates, and tripwire hooks would not remain powered forever after upgrading old worlds.
Can confirm that this is an issue.