Carnage
Back with a Boom Clap
https://support.serato.com/hc/en-us/articles/204946090-Serato-DJ-with-OS-X-10-11-El-Capitan-
https://www.pioneerdj.com/en/news/2015/apple-os-x-el-capitan-1011-compatibility
Numark Knowledge Base - OS X 10.11 El Capitan Support for Numark Products
https://www.native-instruments.com/...431/os-x-10.11-el-capitan-compatibility-news/
You should never upgrade your os until your platform is fully supported on it. And all the major players are expressly stating this fact with the latest OS X update
https://www.pioneerdj.com/en/news/2015/apple-os-x-el-capitan-1011-compatibility
Numark Knowledge Base - OS X 10.11 El Capitan Support for Numark Products
https://www.native-instruments.com/...431/os-x-10.11-el-capitan-compatibility-news/
You should never upgrade your os until your platform is fully supported on it. And all the major players are expressly stating this fact with the latest OS X update