Some improvements
We already have one tap on home tab (it lift me on top again).
Quick double tap on home tab refresh the feeds.
Quick double tap on bell tab refresh notifications.
It makes the display dirty less if you eat chips, for example, you don’t have to crawl on the screen to refresh.
Instead long press on home tab might open my profile.
Difficult stuff here would be explain it to users unless we create some kind of onboarding/guide because it'd be hidden actions / "shortcuts". How theyd know about this functionality?
Said that, I see your point and I'll think about the onboarding topic.
Just introduce a "What’s new in this release" section (popup when the app is launched for the first time) and a "what’s new" history section to consult all released notes. 100% available offline within the app.
Doubt: do you want combine lift me on top + refresh feeds in one only action/tap? Make more sense?