Mullvad VPN 2026.4

What's new in 2026.4

This release is for desktop only.
Here is a list of all changes since last stable 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.
Windows
- Update wireguard-nt to version 1.1. This retires the Mullvad fork at
https://github.com/mullvad/wireguard-nt.
macOS
- Use arch-specific installers to deliver updates. This makes updates around 50% smaller.
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.
macOS
- Fix split tunneling related parse error on macOS 27.
Linux
- Fix issue where gotatun would fail to start on Linux systems where the
IPv6 stack had been disabled.
Windows
- Fix misleading "split tunneling" error when offline.
- Fix unhandled error: "Reached the end of the file. (os error 38)"
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.
Linux
- Plug hole in Custom DNS firewall rules for LAN resolvers.

Full release notes »