If you have a tab undocked so it is floating and right click it->hide tab, you will be unable to unhide it. I think the orange triangle is being blocked by the Unreal button.
1. Undock a tab
2. Right click the tab header and hide the tab
3. Try to click on the orange triangle to unhide it
Head over to the existing AnswerHub thread and let us know what's up.
|Component||Tools - Slate|
|Created||Nov 5, 2014|
|Resolved||May 1, 2017|
|Updated||May 1, 2017|