1. Added a Landscape mode for the display (available in Personal - Screen orientation).
2. Added Lab Features - Compressor sound effect (first turn on the Audio Effects in Personal - Lab Features, and then go to Equalizer - Sound effects to enable the Compressor)
3. Added a new filter type in Parametric Equalizer (available in the PEQ adjusting page).
4. Added control support for FIIO SP3/FIIO KA11/FIIO K19/FIIO KA17.
5.Optimized performance and fixed other bugs.