The Resources panel in the debugger only shows those tag types which it can open. The 12.1.2.0 release now adds raster graphics (.rg) tags to this list.

If the open document contains raster tags, they can be seen in the Resources panel when viewing by name:

And when viewing by type:

Right clicking on the tag in the list brings up the context menu:

The normal features are there with the exception of ‘Change type...’ as rasters do not make sense as other tag types. Selecting “Tag info...” will pop up the Tag Information dialog which provides information about the graphic:

Clicking the tag to open it will show a preview of the graphic in an edit tab which is sized to fit the area available: