If you have not yet heard about it, many leading manufacturers of both DJ & Production hardware and software have warned their users not to update to the latest edition of the OS.
OS X 10.11 El Capitan introduced many compatibility issues with current hardware and software due to driver and security related enhancements built into the new OS.
For the DJs
- Pioneer hardware: DJM-S9, DJM-2000NXS, DJM-2000, DJM-900NXS, DJM-900SRT, DJM-850, DJM-750, DJM-T1, DJM-5000
XDJ-AERO, XDJ-RX, MEP-7000
- Serato DJ
- Traktor Pro 2: Has driver issues with the new OS, beta drivers are available Traktor Pro EL Capitan beta drivers
Affected Hardware: S4 MK1, X1 MK1, Audio 2 MK1, Audio 8, Audio 4, Audio 2 DJ MK1, Maschine MK1 & Rig Kontrol 3
- djay Pro
For the Producers
- Ableton Live 9: Only 9.2.2 is compatible, though third party software (plugins, vst or hardware) could still be affected.
- Native Instruments: Major compatibility issues with Komplete and Maschine