You can modify the fs using rpm-ostree. It will overlay your changes on top of the immutable image. The recommended way is to create toolbox/distrobox which uses containers to isolate stuff.
On iOS atleast, Live Activities are separate from Notifications. So I can still monitor food or grocery delivery even though I have turned off their notifications.
Now a few apps have started sending notifications through WhatsApp because they have my phone number. e.g. Amazon
Maybe you didn't read the draft. It's either a delayed April's Fool joke or AI slop. Even if you take it seriously, it will require updating every v4 device in existence.
Gboard for iOS has been discontinued though. On top of that, 3rd party keyboards are a bit limited on iOS (which might be a good thing for some people).
Bangladesh has one of the most fertile lands on earth producing rice (which can feed 5x people wheat does), no desert and a little bit of mountains (hills actually). Gangetic Plains are also in Indian states of Uttar Pradesh and Bihar. These places are not comparable to anywhere in the world sans East China.
That's still using Cachy's kernel. Cachy uses a different scheduler and compiles for x86_64_v3 instruction set. It won't get you a world-shattering boost but ~5% is what comes up in benchmarks.