I don't use the METAR layer much in flight, but it's a nice feature to have. When I do use it, I barely noticed the wind barbs when I'm in the Sectional Mode because I can barely resolve them, contrast-wise, from the clutter on a Sectional. So how about a little more white highlighting around the barbs, per my hacked screen shot below? (I touched up only three wind barbs to show the difference between highlighting and none.) When making the graphic, I noticed that there appears to already be a little bit of highlighting around the barbs. So I'm simply suggesting a bit more.
