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 Image Editor. This option also toggles the visibility of UDIM tile information.
The options that are visible in the pop-over depend on the Image Editor mode. The following overlay categories are available:
Display the active object's UVs. The Image Editor must be in Paint mode, and the active object must be in Texture Paint Mode or Edit Mode for the UVs to be visible.
Displays metadata about the selected Render Result. See the Output tab's 元数据 panel to change what metadata to include.