reaper_host_x86_64 crashes in "only native" mode with Reaktor AU

[nozehed]

Running latest version of OSX, Reaper and Reaktor. I'm getting stuck notes in Reaktor AU (nothing else does this). Only way to clear them is to toggle the power button within Reaktor plugin. Thought I would see if "Only Native" mode in compatibility settings would help. If I start an empty project and insert Reaktor AU, reaper_host_x86_64 crashes (see attachment).

reaper_host_x86_64 doesn't crash if I use Reaktor VSTi