qdm12/gluetun v3.5.1 on GitHub

Bug fixes

Restore optional EXTRA_SUBNETS feature to access hosts out of the Docker network with a new variable FIREWALL_OUTBOUND_SUBNETS (but still retro compatible with EXTRA_SUBNETS)
Fix Cyberghost group name case sensitivity in equality check
Fix Mullvad city CSV bug (i.e. for New York, NY)
Increase PIA v4 port forwarding HTTP client timeout to 30 seconds to fix timeouts
HTTP server runs on 127.0.0.1:9999 so that it does not interfere with the HTTP control server (which can run on a specific port)
Set default for DOT_CACHING to on in Go code so that the binary can be run without setting it (out of docker)
Using 0.0.0.0/0 instead of nil for default network, to log 0.0.0.0/0 instead of nil

Remove unneeded port setup through firewall for Shadowsocks
Remove dead code remaining for Shadowsocks
Remove unneeded openvpn remote-random instruction for all providers as a single connection is written to the configuration file
Using 0.0.0.0/0 instead of nil for better logging and transparency with the user
Remove x/net dependency by replacing ctxhttp