Benjamin Mayo: discoveryd would cause random crashes, duplicate names on the network and many other WiFi-relate bugs. In the latest beta, Apple appears to have applied the same fix as the enthusiasts by axing discoveryd completely. Looking at Activity Monitor on OS X 10.10.4 seed 4, discoveryd is no longer loaded by the system — … Continue reading Mac OS X 10.10.4 Replaces discoveryd With mDNSResponder