Yep! I've had two nasty bugs (intermittent audio dropping and HDMI CEC power off being broken) that were fixed by firmware updates.
I don't keep the firmware preemptively updated, though. I just did it as a debugging step in trying to fix some problems, and shockingly it did both times.
I don't keep the firmware preemptively updated, though. I just did it as a debugging step in trying to fix some problems, and shockingly it did both times.