tailscale

Table of Contents

Platform independent

Improve UPnP discovery; eero devices now work, allowing a port to be opened for direct connections (also in 1.16.2)
If unable to upload telemetry, limit amount buffered to 50MB
Retry more transient DNS errors, instead of passing the failure back to the client

Support storing Tailscale state using AWS SSM (ex: tailscaled -state arn:aws:ssm:eu-west-1:123456789:parameter/foo) (thank you Maxime VISONNEAU)
use AF_NETLINK messages to configure IP, not the ip command.
if resolvconf wrote /etc/resolv.conf but pointed it to systemd-resolved, use systemd-resolved for DNS not resolvconf
if NetworkManager wrote /etc/resolv.conf but pointed it to systemd-resolved, use systemd-resolved for DNS not NetworkManager
handle /etc/resolv.conf being a bind mount into a container, such that we cannot rename() it.

on iOS 15+, where Network Extensions have more memory available, allow the same number of DNS-over-HTTPS requests in flight as other platforms