Q: When is apple going to fix airplay on i phone and mac mini since new upgrade cannot use airplay with apple tv

When is Apple going to fix the bug we have in airplay ever since new update I phone 5 c and mac mini 2012 does not work apple tv will not mirror and air play stays off in systems cannot change.   Have tried to call and get no answers .  See that there are a lot of people with the same problem use this feature daily so need it.  Please advise....Michael