Tarballs every 2 months, and we know these don't give you the Vivaldi browser as they supply it.
I don't trust them one bit. There was that telemetry analysis that showed Vivaldi as a very noisy browser.
> we know these don't give you the Vivaldi browser as they supply it.
how so? how do you know this?
Yoi can test this locally yourself with mitmproxy, opensnitch, or whatever.
Everyone opining here should MitM themselves every now and then. If not for your own security then maybe to make sure you're not participating in psyop when opining online and resharing hearsay or old truisms.
Because they are open about including closed parts. Its not a FLOSS browser.