RNBO crashing as soon as compiling any MIDI input object

Hello,

I just upgraded to Max 9, so this is a fresh install (9.0.0) of Max and RNBO (1.3.3).
This is the first time I'm trying RNBO so I cannot say if the problem is related to this specific release... but I can barely do anything with it so far:

- I'm working on Windows 11, with a RME Fireface UC. OS and drivers are up-to-date.
- by default I'm using the RME and ASIO drivers, but the problem is the same if I try other drivers (MME...), so I don't think it is hardware or driver related

- from a fresh patch, I just add a RNBO~ object
- in the RNBO~ subpatch, as soon as I put any MIDI input object, compilation freezes and Max crashes within a couple of seconds.
i.e. I can put a metro, midiout, noteout, param... no problem.
But as soon as I put a midiin or notein, compilation will fail and Max will crash.

- the problem occurs both with auto-compile on and off (if off: crash will happen a couple of second after I trigger compilation)
- if I place my objects, save the RNBO patch before compiling, quit Max and reload my patch, it will crash a few seconds after I place the object (and, I guess, attempts to compile in the background)

Any ideas?
I am probably not the only one trying to use MIDI in RNBO 😅

Thanks for your assistance
T