https://github.com/ObjectVision/GeoDMS/issues/204:

Value trace is no longer triggered by disabling nor enabling layers. If you intend to get such value trace, you can (double) click on its value widget.

shv/dll/src/GraphicLayer.cpp

@@ -142,7 +142,6 @@ void GraphicLayer::SetActive(bool newState)
 		}
 		if (newState)
 		{
-			CreateViewValueAction(GetActiveAttr(), GetFocusElemIndex(), false);
 			auto dv = GetDataView().lock();
 			dv->OnCaptionChanged();
 		}