Are there any macOS users here who have tried Obscura VPN? Mullvad partnered with them three months ago to help with their multi-hop setup
[first hop is from Obscura VPN while the exit (second) hop uses Mullvad's WireGuard servers].
(d) both offer WireGuard and OpenVPN.
In roughly eight months, Mullvad will no longer have OpenVPN
[source].