That sounds really nice. What if you changed systems? Would the spatialness also change over to the other system? Was there like a hidden file in the folder or somewhere else that defined where everything was?
Yeah is a browser within a browser. I would say that it's definitely more secure and you can just close the window and continue exactly where you left off. Also if you have multiple devices that's a pretty cool feature.
After a few days of use - as a cyclist - I only have one note. I'm missing the cycling style option from OSM. That's a real game changer right there.