The new encryption standard apple is using for iMessage achieves forward secrecy.

https://security.apple.com/blog/imessage-pq3/

“The first ratchet, called the symmetric ratchet, protects older messages in a conversation to achieve forward secrecy.”

Only thing I miss from the default launcher is holding the back button to bring up settings so I can hit sleep but it’s been great otherwise.

It was a necessary step in his path