I did not recommend the update, but only pointed out two things that I think one should simply be aware of.
You can live well with a normal doorbell. I don’t need more than that either. It just has to be clear that only a 2-wire doorbell cable goes there and not a LAN cable.
I find roller shutters perfectly fine throughout the house. In the living area, however, I simply find venetian blinds better because you can shade and still look outside. Depending on the orientation, I also find it important to have shading in the living area. From my point of view, too little attention is paid to summer heat protection. Of course, a large roof overhang and planting can also do a lot.
These were just a few suggestions and not: You must install everything like this now, otherwise your house is sh…!