Minor changes:

* Changing UV map updates the UV editor.
* UV Layer -> UV Map

release/scripts/startup/bl_ui/space_view3d_toolbar.py

@@ -1084,7 +1084,7 @@ class VIEW3D_PT_slots_projectpaint(View3DPanel, Panel):
 
                 slot = mat.texture_paint_slots[mat.paint_active_slot]
                 col.separator()
-                col.label("UV Layer")
+                col.label("UV Map")
                 col.prop_search(slot, "uv_layer", ob.data, "uv_textures", text="")
 
 

source/blender/makesrna/intern/rna_material.c

@@ -2210,7 +2210,8 @@ static void rna_def_tex_slot(BlenderRNA *brna)
 	RNA_def_property_string_maxlength(prop, 64); /* else it uses the pointer size! */
 	RNA_def_property_string_sdna(prop, NULL, "uvname");
 	RNA_def_property_ui_text(prop, "UV Map", "Name of UV map");
-	RNA_def_property_update(prop, 0, "rna_Material_update");
+	RNA_def_property_update(prop, NC_GEOM | ND_DATA, "rna_Material_update");
+
 }