Mozilla only makes the integration between the browser and the VPN, not the VPN network itself - Mozilla VPN is white label Mullvad.
According to https://www.omgubuntu.co.uk/2026/03/firefox-adding-a-free-vp... Mullvad might not be used for the free service. Whether that's correct or incorrect extrapolation we will see...
That's an existing product that may or may not be related. Unless you know something the article doesn't?