Just wanted to add to this thread tracking this issue. I noticed that my Silvers have also developed the yellowing. But I now just noticed the same hairline crack in almost the exact same area on one of mine. At first i thought I must have received them this way, but I had taken photos of them upon delivery and they were perfect. I just have no idea when the crack developed. So i will contact support and see what options they present me. It's almost 12 months that i have had them.
Edit: FWIW mine had the teal blue handle with love stickers on both units. I read others had red similar stickers...not sure if that helps isolate any particular manufacturing time.
Edit: FWIW mine had the teal blue handle with love stickers on both units. I read others had red similar stickers...not sure if that helps isolate any particular manufacturing time.