I wasn't sure whether to use a slider for tint_albedo or not. Or maybe it was just a typo. Glad I caught it in time!

Author: tngreene

io_xplane2blender/xplane_ui.py

@@ -418,7 +418,7 @@ def layer_layout(
             row.active = layer_props.tint
             row.prop(layer_props, "tint")
             if layer_props.tint:
-                row.prop(layer_props, "tint_albedo", text="Albedo")
+                row.prop(layer_props, "tint_albedo", text="Albedo", slider=True)
                 row.prop(layer_props, "tint_emissive", text="Emissive", slider=True)
 
     # cockpit regions