There's not a huge amount in it between the previous gen XL and the current Large, in terms of handling / performance.
Biggest difference by far is the new Bosch Smart System and 750Wh battery.
PS - Mapping is definitely coming to the new Bosch Smart. I sent them a message and they publicly responded:
"Hi. Thank you for your detailed feedback and suggestions for improvement. We understand your concern and have good news for you: The navigation function is in the starting blocks. We will provide the update soon, so hold on a little longer. Your Bosch Bike Team"
I bloody love the bike by the way, in the setup I now have its so darn good!!
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