Apple is about to drop Catalina as early as this week, so it’s a good time to get your Mac ready and make sure your DJ Software is compatible before you upgrade.
Serato DJ News
macOS 10.15 Catalina – not yet supported with Serato DJ Pro or Serato DJ Lite – https://support.serato.com/hc/en-us/articles/360001112015-macOS-10-15-Catalina-not-yet-supported-with-Serato-DJ-Pro-or-Serato-DJ-Lite
Pioneer DJ News
A new version of the Apple’s macOS, 10.15 Catalina, is about to be released.
We are currently researching compatibility of macOS Catalina 10.15 with rekordbox and all of our hardware.
We will finish our initial research by the end of October 2019 and will post updates on our progress when we know more.
Please refrain from updating to macOS Catalina 10.15 for the time being.
iTunes will be discontinued in macOS Catalina 10.15.
This change will affect rekordbox users when using iTunes Library.
Further information will be released when the details become available.
Here’s an Article from ZDNet – How to get your Mac ready for macOS 10.15 Catalina