- Added exit node routing, IPv6 tunnel support, NAT‑PMP port mapping, userspace networking (tun=userspace) and a built‑in SOCKS5 server.
- Introduced a local node API (whois) and DNS fallback; split binaries into tailscaled daemon, tailscale CLI, and GUI, renamed the Windows service and cleaned up installer/uninstaller.
- Improved macOS network link monitoring, added Synology packaging maintenance, and delivered assorted platform‑specific bug fixes and enhancements.
v1.6.0
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