- Added new CLI commands (ping tsmp, ip, bugreport, logout) and enabled Windows, macOS, Linux, and Synology to serve as subnet routers and exit nodes via the CLI; SOCKS5 proxy now works for all addresses
- Improved DNS and Magic DNS handling across platforms, added IPv6 preference in magicsock, SCTP support in port‑based ACLs, and better DNS server configuration on Linux distributions
- Added warnings for conflicting `tailscale up` options and new debug‑menu shortcuts; includes numerous bug fixes and stability improvements