I just tried to upload an image (using FireFox 45.8.0) and:
1. Click-> Select file -> Open does nothing
2. Dragging and Dropping a file throws a popup saying: 'There's no WebGL context available.' and the byte counts show (top right) but then, nothing else.
1. Click-> Select file -> Open does nothing
2. Dragging and Dropping a file throws a popup saying: 'There's no WebGL context available.' and the byte counts show (top right) but then, nothing else.
HTH