A new Sonos app update fixes one tiny but frustrating problem, and fans are loving it

Sonos 27.1 is rolling out to compatible devices

It adds several features, including a virtual volume knob on Android

Biggest fix: it won't forget your playlist when you change function

Sonos has been promising a significant app upgrade for years, and fans have been so desperate for software that works how they need it to that they've taken to making their own. Well, the official app is slowly getting better, and the latest upgrade may be a highlight.

The company…