Missing button: Add UI.

Hello,
I have a confusing bug in the editor of Unity.
See pictures:
I’m pretty sure you could add UI elements there as well. I don’t have an editor script running.
Has anyone had this bug before? Currently working on Mac version 2019.2.

5144621--509321--Bildschirmfoto 2019-11-06 um 11.22.18.png
5144621--509324--Bildschirmfoto 2019-11-06 um 11.23.07.png

Hello @patrickneumueller , if you haven’t already, please file a bug report. You can find the steps to do so here: https://unity3d.com/unity/qa/bug-reporting?_ga=2.238855360.1506675044.1572805904-1364330384.1571764025