Yes, Nokia 7 Plus does have the Corning Gorilla Glass 3 protection.
No. Despite a bigger battery and the Aluminium Alloy body, Nokia 7 Plus does not have any abnormal heating issues.
Yes, Nokia 7 Plus does have the bokeh mode in front camera.
No. Nokia 7 Plus does not have the notification light. But it does have the ambient display, so you will always get alert on the display.
Great battery life, immersive display, solid design, and software at its purest, that's the Nokia 7 Plus for you.