I have chromecast with firmware 1.17.46278
tried app
chromecast 1.10 (old one) it detected but says my chromecast required an updated version
chromecast 1.13 (latest) it doenot detect
BUT youtube works no spotify and allcast like apps
with google play services 7.5.41 build 2 and latest one of cobalt and all apps patched and whitelisted
Any one having success with this firmware on either spotify or other plz post some details which might help