10.9 OS X Mavricks

Cubase
15

Here’s a workaround for users of older Cubase versions:

https://www.steinberg.net/en/support/knowledgebase_new/show_details/kb_show/workaround-using-older-steinberg-software-under-mac-os-109-mavericks

The article describes how to manually update the CoreAudiotoASIO component of Cubase 5 and 6 and other Cubase versions of that generation. This is what the official CoreAudioASIO Patch is doing automatically with Steinberg programs that are officially Mavericks compatible, for example Cubase 7.