Under Workspace>General Behavior, this setting exists:
When the touch mode is enabled, 4 things happen: Some applications make their elements bigger, Panel items are forced to their largest spacing, window decorations get bigger and Auto-rotate is enabled. One of these is not like the others.
I’m using a 2 in 1 laptop and I don’t like how big the system tray or window decorations gets in touch mode. Things get really crammed on my vertical panel with the system tray items forced to large, as it shrinks the task manager items for them to fit.
However I am forced to have it enabled for Auto-rotate to work at all.
Actually it did appear now when i entered tablet mode and reopened it. I turned off “only in tablet mode” and now it always appears. Very strange and annoying bug, hope it’s fixed in the next release.