HQPlayer 4 Embedded 4.15.0 released!

Improved support for USB Audio Class 2 inputs to make HQPlayer look like a USB DAC, starting on Debian Buster with a custom kernel (on applicable hardware). Enable idling support again for faster track changes and restarts on UPnP. Optimizations for DSD source processing. Improved handling of NAA inputs. Set friendly name as title for control connections. Performance improvements, library metadata improvements and bug fixes.