Edit: nvm... the problems with safety net apps was because of introduction face unlock. After setting up authentication again all works perfectly.
I don’t understand why this ROM https://forum.xda-developers.com/t/rom-12-thyme-unofficial-pixel-experience-12-mi-10s.4435939/ has it and others still don’t
if we are talking about speakers then https://telegra.ph/Thyme-speakers-distortion-fix-04-23
seems like you did awesome work ! I am very happy since I thought you left us