I checked out Premiere also and it has scrubbing like Final Cut, so it’s not a ‘unique’ characteristic. Seems like a product with a raison d’être of capturing and logging video this would be an important feature.
I’ve looked to the preferences and found nothing other than the pitch shift elimination. It has audio as long as it is “playing” the video even if faster. Is there a way to make JKL playback go to less than 1x in shuttle?