Editor becomes unresponsive when switching from OpenGL to Metal with a tiled sprite in the scene

1. Open attached project blank.zip in OpenGL
2. Open scene "3", which has only 1 tiled sprite in the scene
3. File -> Build Settings -> Player Settings -> Enable "Metal Editor Support Experimental"
4. Click "Apply" when confirmation prompts show up

Editor becomes unresponsive.

Occurring on: 2017.2.0s2, 2017.2.0a1, 2017.1.0b8, 5.6.1f1, 5.6.0f3