ID 446681 - Mari UI turns black when using a Toggle Shader shortcut.

Problem summary
Mari UI turns black when using a Toggle Shader shortcut.

Customer reported version
mari.n/a

Customer reported platform
10.15

Steps to reproduce

1) In Mari, load the shortcuts Edit >Toolbars

2) Search for Toggle Shader.

3) Edit the shortcut to be "Shift+Spacebar"

4) Load any project, then use the hotkey for Toggle Shader.

Expected behavior
The Viewer should stop compiling and display an animated circle.

Actual behavior
The entire screen goes black and Mari needs to be closed.

Workaround
There is no available workaround at this time.

Reproduced by Support in
Mari 4.6v4 - macOS 10.14

Mari 4.6v3 - macOS 10.14

Mari 4.6v1 - macOS 10.14

Mari 4.5v1 - macOS 10.14

Mari 4.0v1 - macOS 10.14

Unable to reproduce bug in:

Mari4.6v4 - Windows 10

Mari 3.4v4 - macOS 10.14

Earliest version tested

Mari 3.4v4- This issue doesn't appear in this version and has regressed