- Bugfix and stabilization release: deforked wireguard-go, tailscale ping now returns non‑zero on no direct connection, MTU can be set via TS_DEBUG_MTU, and fixes for DNS server usage across Linux, macOS, iOS, Android.
- Added platform features: macOS 12 UI for LAN access with exit node, iOS 15 support, RISC‑V binaries, AWS Lambda userspace networking, early work toward Tailscale as a library and extra DNS records for Let’s Encrypt challenges.
- Introduced Taildrop support for file sharing.