- MagicDNS now shows device names in GUIs and status, status output is sorted and more readable, and Linux requires sudo for `tailscale up` while adding systemd notify support.
- Performance and reliability improvements: more efficient coordination protocol, DERP relay hysteresis, endpoint exchange without the control server, CPU/bandwidth optimizations, Windows wintun 0.10 update, and hardened systemd unit secur...
- Added IPv6 routing inside the tunnel, support for advertising a default route, and embedded gVisor netstack for userspace networking (preparing for future non‑root routing).
v1.4.0
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