This is quickly becoming my favorite of the new tools. It took me a while to get my head around it, but after a little practice I now know how it works. However, I ran into a problem when trying to import a file with an A clarinette in it. There is no way to assign it to an A clarinette, just the default Bb. The same is true for all transposing instruments, as the third column in the instrument selection dialog is missing.
I would also appreciate a possibility to filter out tempo and CC messages, as in this particular file they just create a mess and I need to delete them manually afterwards. The tempo markings are particularly annoying and with Dorico 4 I cannot even edit the tempo track.