Folks, since sometime Lake Garda in Italy is not rendered correctly. I did not report this a few months ago since I was using an old version of mkgmap but I'm now using very latest one and fresh geofabrik pbf but the problem remains. At a first glance OSM data seems fine:

Any idea?  Attached screenshot from my Garmin device, the lake should be inside the ugly black line - note other smaller lakes are rendered correctly. Lake name is also missed. I am using a custom style but I don't think that can be the cause-

Thanks,

Enrico