Hi Otsantos,
unfortunately, from the diagnostic files I can not see anything, except that Dorico and the audio engine are not crashing but just hanging indefinitely.
First thing we need to establish therefore is, does the same thing happen when you start with a new project?
If you start with a simple project from piano template and add a handful of arbitrary notes, does that play back or also freeze?
If not, save the project, close and reopen and try again. What happens?
If both Dorico and the audio engine freeze again, please go to Activity Monitor and create spindump.
At the top of that window is a little cogwheel icon, click on that and a popup menu appears where you can choose ‘create spindump’ or similarly named.
The output also please attach here. Thanks