Ozone5 OSX: Renoise hanging/quitting/crashing with A/B presets

Steps to reproduce:

  1. Download/install ozone5 demo for OSX

  2. Drag ozone VST version in the master bus in a test song project… Make some settings in ozone and store the A preset while playing.

  3. Heavily change ozone settings and store B preset. Very often Renoise now endlessly tries to store the setting or just crashes/quits immediately.

  4. The same behavior did I have with other complex plugins, but I do not remember anymore. Was it Korg?