StudioOne -> Export mix -> Realtime Render -> blocks TimerCallback()?

Hey there,
i have a strange issue.
If we start a export mix (with realtime render) in Studio one, my timercallback thread didn’t get a callback while its rendering. If i’m moving the “render window” from studio one the thread get callbacks. But without there is nothing…

Happens only in windows on mac everything is working fine…

It’s a normal juce::timer in my AudioProcessor.

Studio One hogs the message thread when in non realtime…

https://forum.juce.com/t/studio-one-nonrealtime-render-hangs-on-windows/30712/17

https://forum.juce.com/t/offline-rendering-audioprocessorgraph-solved/32370/13

Rail