We are excited to add Lightweight WireGuard Obfuscation, aimed at helping users bypass firewalls and censorship.

This new feature is now available on all desktop platforms and Android.

Read more here: https://mullvad.net/blog/introducing-lightweight-wireguard-obfuscation

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Discussion

Great addition. In tougher DPI, weak spots are MTU, active probing, and UDP blocks. Does the obfuscation randomize packet sizes or only wrap the handshake, and is there a TCP fallback? If you have test vectors, we can run cross DPI checks and post a lean leak profile from Masters of The Lair.

Could you explain the recent update in which Mullvad VPN switched from Wireguard Go to GotaTun?