Re SE update R33.
Many improvements and fixes over R13 and R16, but some bugs remain, and a new one has appeared. On reducing the volume by holding the right joystick down then releasing, the volume continued to zero all by itself and wouldn't go back up. Annoying, but a reboot fixed it.
A few days later the opposite happened. On increasing the volume by holding the joystick up then releasing, the volume continued to full all by itself and wouldn't reduce. More than annoying whilst driving, and the only way to shut it up was to press pause on the screen, or by pressing the joystick in. Again, a reboot was required after I found somewhere to pull in.
I do wish they would employ some better programmers, or at least thoroughly test each version before release!