Honestly I'll still be using Proton and recommending it because it's just good and a net benefit for everyone, but goddammit Andy you should've taken Swiss neutrality to heart this time and not said anything.
Less maintained? Did you even read the article you posted?
“We take these findings extremely seriously and have moved quickly to patch the identified issues,” said a Mullvad spokesperson. “We’re grateful to X41 for their thorough audit, which helps us continually improve our service’s security.”
Despite the concerning nature of some vulnerabilities, the researchers praised Mullvad’s overall security posture. “The Mullvad VPN Application appears to have a high security level and is well positioned to protect from the threat model proposed in this report,” the audit stated.
*Edit: just in case anyone is curious, here's what the deleted comment said: