All Platforms

• improve netstack performance via better GC tuning
• Initial support for site-relative IPv4 addressing using IPv6
• MagicDNS: PTR records for TS service IPs
• First for-keepsies deployment of ts2021 protocol
• build with Go 1.18
• tsnet now supports providing a custom ipn.StateStore.

Linux

• taildrop: add file get --loop
• taildrop: add file get --conflict=(skip|overwrite|rename)
• default to userspace-networking mode on gokrazy
• set tailscale0 link speed to UNKNOWN, not 1Gbps.
• Attempt to load the xt_mark kernel module when it is not present.

Windows

• improve HTTPS proxy handling
• fix naming in MSI installer

macOS

• fix CLI in macSys build
• make quit on termination more reliable, helps with restart after upgrade

iOS

• make quit on termination more reliable, helps with restart after upgrade

Android

• add Android TV support
• fix and reintroduce Talkback support

Synology

• improve HTTPS proxy handling

FreeBSD

• fix portmapping support