private

He confirmed it. Mullvad has literally nothing to do with it. It’s a private donation.

Lol, even the Mullvad coowner Daniel Berntsson's here himself displayed his displeasure with this fact

'I don’t like that he made this donation' — Mullvad CEO reacts to co-founder’s donation to controversial Swedish populist party

And you are out here trying to, for whatever reason, claim that it is ok and Mullvad's stance on the issue is in no way related to any of this. Among a myriad of reasons why this is not ok, Daniel Berntsson is not a departed or "retired" co-founder he plays an active role in the company's policies and own %50 of it. So yes he has power to affect company policies in a major way.

Directly from Mullvad

Mullvad VPN AB and its parent company Amagicom AB are 100% owned by founders Fredrik Strömberg and Daniel Berntsson who are actively involved in the company.

Here is another resource with detailed comparisons:

Mullvad Owner Controversy: Daniel Berntsson's 5 Million SEK Donation Explained