In my mind, without question, they are the best new product Apple has done in years. Are they perfect? No. But they’re so good at their core purpose: wireless earbuds, that it’s honestly hard to complain about a single thing.
The initial problems ScanSnap had in Sierra were just the beginning. It turns out that Apple rewrote the underlying PDFKit in Sierra and introduced numerous bugs that are bedeviling Mac developers and users alike. The quick takeaway? Don’t edit PDFs in Sierra’s Preview for now!