I hope by 2.81 we can see the UV editor updated to match the industry standard keymap a bit more.
Right now it behaves like the default blender keymap, with the GSR approach only being switched to QWER. The selection and actual transformation tools are separated in an awkward way. There are no visual widgets with bounding regions to grab and dragging off the UVs will still move them if any component is selected. We need it to match the behavior and expectations of the 3D Viewport’s interactions, even down to seeing a visible widget.
Another thing is that 1-3 keys do not switch components (vertex, edge, face) but end up forcing the selected object into object mode.
I hope the development on it hasn’t stopped because quite frankly it has been a godsend for a lot of new Blender users, and even those of us who came from the old maya keymap.