Destiny 2’s launch has gone well apart from the odd minor bug or two, details of which you can find here, and some people moaning about shaders only being one use. However, PS4 Pro players have been reporting the game crashing since the days of the beta and Bungie have agreed there might be a problem.
Sony have also responded to the issue and say they are working with Bungie to sort things out.
We're aware that some Destiny 2 users have seen crash issues on PS4 Pro. We and Bungie are working to resolve, thanks for your patience.
— Ask PlayStation (@AskPlayStation) September 11, 2017
It sucks if you are a PS4 Pro owner and are having issues but it does appear both parties are working towards a solution as fast as possible.
Source: Twitter
Stefan L
It crashes 100% of the time when waking from rest mode for me.
Zoddi
Didn’t play very much. Only launched it 4 times and played aproximately 15 hours but I never had a crash with my PS4 Pro.
Pixel_nme
I’m on Pro tried the beta and have played through the story with my Hunter and put in several hours in online since it’s release and it’s be flawless for me.