Is it because of your particular bank or is that a general problem?

umu sounds really promising

Broad definition of “big” or “community”.

Development is so slow it’s genuinely hard to believe.
Usability is rather lacking.
I’d say avoid it for the time being and I say that as former long time user.

Never was a scam. What are you on about?

There is multi device support.

Mullvad’s DNS servers at the router level.

As a long time user of Session, it is hard to believe someone would describe it as “user-friendly”.