Yes, I've been seeing this with the new update. I'm expecting the volume knob to be changing the media volume but the nav snuck in and gets adjusted. It's not a good change.
I took lancecrxsi's phone holder and added a plate with a magsafe charger hole, and a notch in the handle for the charging cable. This size fits my iPhone 14 ProMax with a thin case well. Tension clips on the side keep phone stable during travel, plus the extra magnetic hold from the charger...