Mullvad VPN 2026.4-beta1

This release is for desktop only.

Here is a list of all changes since last release 2026.3:

Added

• Add Ukrainian as a new language in the app.
• installer-downloader logs are aggregated by mullvad-problem-report.

Changed

• Update gotatun to 0.8.1.

<https://github.com/mullvad/wireguard-nt>.

Fixed

• Align ciphers for custom shadowsocks API access methods between clients and mullvad-daemon. Any

existing, invalid access method is removed with a settings migration. IPv6 stack had been disabled.

Security

• Linux and macOS: Fix management interface socket being created with less restrictive permissions

when using MULLVAD_MANAGEMENT_SOCKET_GROUP. This addresses the advisory GHSA-p9rr-wc9m-qmwg. <!-- The following artifacts will be included: MullvadVPN-2026.4-beta1.exe ( Size: 239M ) MullvadVPN-2026.4-beta1.exe.asc ( Size: 833 ) MullvadVPN-2026.4-beta1.pkg ( Size: 241M ) MullvadVPN-2026.4-beta1.pkg.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_aarch64.rpm ( Size: 86M ) MullvadVPN-2026.4-beta1_aarch64.rpm.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_amd64.deb ( Size: 107M ) MullvadVPN-2026.4-beta1_amd64.deb.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_arm64.deb ( Size: 101M ) MullvadVPN-2026.4-beta1_arm64.deb.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_arm64.exe ( Size: 120M ) MullvadVPN-2026.4-beta1_arm64.exe.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_arm64.pkg ( Size: 133M ) MullvadVPN-2026.4-beta1_arm64.pkg.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_x64.exe ( Size: 119M ) MullvadVPN-2026.4-beta1_x64.exe.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_x86_64.pkg ( Size: 141M ) MullvadVPN-2026.4-beta1_x86_64.pkg.asc ( Size: 833 ) MullvadVPN-2026.4-beta1_x86_64.rpm ( Size: 92M ) MullvadVPN-2026.4-beta1_x86_64.rpm.asc ( Size: 833 ) -->