Sticky UVs: Ctrl+C Local Stikcy UVs: Shift+C Active Face Select: C Constrained Scaling / Grabbing in the UV editor. Press XKEY or YKEY to scale or move only in X or Y direction. XKEY and YKEY previously did mirroring while scaling. Now mirroring can be done using the MKEY. Grab, Rotate, Scale, Weld / Align and Mirror were added to a new Transform sub-menu of the UVs menu.