iOS 26.4 is going to be a pretty big update for the iPhone. It's expected to launch late in March based on past x.4 releases for the operating system.
With the second iOS 26.4 beta, Apple and Google have started testing end-to-end encryption (E2EE) for RCS messages exchanged between iPhone and Android users. Apple started testing E2EE for RCS in the ...
OS 26.3 rolls out with Android transfer tools, enhanced privacy settings, and refreshed wallpapers for iPhone users. Full details here.
Apple added RCS to the iPhone, but crucially, the current implementation lacks end-to-end encryption. That's changing in the latest beta.