My alt + tab doesn't work

[Bird12]

Yes, my problem is like this another:

Alt-Tab Buggy at random times

The window switcher(the one that appears when pressing alt+tab) starts behaving abnormally at seemingly random times. It works perfectly usually, but sometimes in some sessions, fails to show any windows at all. Getting a screenshot was difficult so I have included a photo I took with my phone camera. [P_20180611_114844] Clearly, there are multiple windows running(as the dots in the plank show) but the switcher fails to show them. Meanwhile, I’d like to thank budgie devs. It’s sweet, and prett…