The Overlays pop-over configures the overlays that are displayed on top of images. In the header, there is a button to turn off all overlays for the UV Editor. This option also toggles the visibility of UDIMs tile information. The options that are visible in the pop-over depend on the UV Editor mode.
- Display Stretch
Shows how much of a difference there is between UV coordinates and 3D coordinates. Blue means low distortion, while Red means high distortion. Choose to display the distortion of Angles or the Area.
- UV Opacity
Opacity of the above UV overlays.
- Display As
Controls how edges are shown.
Display white edges with black outline.
Display dashed black-white edges.
Display black edges.
Display white edges.
- Modified Edges
Show results of modifiers in the UV display.
Display faces over the image.