I just picked up my Defender. I am told that "some updates" addressed the issue/s. I certainly hope that these updates didn't overnight the patch that JLR had to write last month to address the random stalling issue. I should know within a couple days of driving. Here were all of the issues that were to be addressed:
1) Vehicle won't lock - confirmed fixed
2) Audio randomly stops regardless of source, requires clicking on Home, and then re-selecting an audio source - not yet confirmed to be fixed
3) Vehicle Settings > Service Interval shows "Not Available" (despite mobile App accurately reflecting the next scheduled service) - confirmed fixed (goofy, the car must be on without the engine running)
4) Auto-blinds not working - confirmed fixed
5) Replace windshield - not fixed, I will take care of my own (on national backorder, I might get my compressor first)
6) Oil change - completed
7) Won't start due to dead battery - confirmed fix