Hi,
I run a Cubase 8 Pro, with Halion 5.1.1 on Mac OS X Yosemite, and experience a glitch digital noise in the right channel in all presets that have the Vintage Ensemble effect in the bus, running at 192Hkz.
I think it is a bug, and I have fixed it disabling this effect from the sounds that have it, or reducing the sample rate to 96Khz, but would like Steinberg fixes it in a future version of Halion.
Greetings,
Hardware: UR44