i've upgraded my galaxy S8+ to Oreo beta yesterday and no more hi res output option on PA V3 a704.
I tried to uninstall/reinstall but still no option.
should we wait for final V3 to get it back ?
Oreo supports Native High res audio. I found on my Pixel XL, u dont need high res output option in Poweramp (the High-Res option was gone after i went from 7.1.2 to 8.0)
Just use the Default Android Audio API sound output option (not Open SL) . And enable "Float32".
Setting that mode is the only thing that allowed the phones built in DAC to output correctly as well as my USB DAC.
Huge sound quality difference after setting change.
Edit: for OLD build 704. Obsolete app ve