Indeed - that should now be fixed 
I’m unsure whether that will have worked correctly (the update process isn’t designed to handle an update from an arbitrary git branch), but assuming it’s not causing things to be obviously broken then it’s at least possible it managed to complete the changes it needed to.
As a heads-up, flashing an image will be necessary when upgrading to what is currently the BlueOS Beta, because it’s a ground-up rewrite and can’t be updated to from the previous software. Once that’s done however subsequent updates should be smoother, more robust, and also more granular, so definitely some wins there.
You may be able to just send a replacement SD card to your clients at that point, or perhaps it’ll be worth bringing in their vehicles and doing an electronics upgrade to a Raspberry Pi 4 at the same time or something (which is supported by the new software)
Not sure what’s going on there - I believe there have been some other compass spinning issues reported previously, but I’m waiting on a response from the software team on how to fix/avoid the issue so will have to get back to you.