Now I have been using my Samsung Galaxy Note10 for a week. Sharing my own experience about battery, UI & camera.
Battery: Battery charges fast and discharges fast too. I have to charge my mobile atleast twice a day with average mobile usage like browsing, Social apps and online videos. My internet is always on with Blue light filter active, adaptive display on whole day and no live wallpapers only dynamic wallpapers.
One UI: UI is fluid but it hangs sometimes like during using camera app or gallery or while typing something.
Camera: Camera is good enough but in indoors it doesn't give crisp and clear portrait or normal photo shots. Details are mushy. Broad daylight pics, yes are good. Samsung needs to improve this and give better quality pictures while using in indoors or low light conditions just like Pixel phones or iPhones.
After all we are investing a lot in such flagship mobiles and we deserve to get it.
Thanks for your experience with Note 10. I wanted to buy one. However, recently I have changed my mind. I am using S8. Which is good enough still now. May be I would buy Note/S 11 when it comes.
