As soon as iOS 16 beta 1 dropped I installed it onto my iPhone 13, it’s my only one so it’s my main device I use day to day. After a day and a half and running into a few issues that I rely on I’ve been back on iOS 15.5 and it’s made me realise how incremental iOS 16 is.
The Lock Screen changes are big but without third party support in my opinion it’s not worth the battery hit. In my testing I was about 40% down on what I would normally have, this gave me some battery anxiety I didn’t need.
If you’re anxious to try out the beta I’d hold off until the public beta is available and then you can be confident the main kinks have been worked out.