DOCKER_CONNECTION_TIMEOUT default has increased from 0.5s to 2s — users relying on the previous short timeout for fast-fail behavior on inactive hosts should explicitly set the old value if needed.
Critical container update restrictions have been fully removed — containers previously blocked from updates will now be updatable without override.
Notable features
Dependent container support: related containers (e.g. gluetun) are recreated after updates to maintain network consistency
Auto-refresh container status every 60 seconds
UPDATE_FLOATING_TAGS environment variable now correctly affects update installation and page-load display
Users connecting via socket-proxy must add ALLOW_START=1, ALLOW_STOP=1, ALLOW_RESTARTS=1, and NETWORKS=1 environment variables to enable the update feature.
Production deployment now uses Gunicorn — existing deployment scripts or process configurations targeting the previous server setup may need to be updated.
DISABLE_AUTH environment variable introduced — operators should audit deployments to ensure this is not unintentionally set in production environments.
Link generation behavior has changed: Unix socket connections now use the current request host instead of localhost. TCP connections without DOCKER_HOST_PUBLIC_HOSTNAME set will now extract the IP directly from the Docker host URL. Verify generated container links are correct after upgrading.
Notable features
DOCKER_HOST_NAME environment variable for custom display names
Container port search restored
Server sorting by environment-defined order and connection status