wekan/docs/Login/ADFS.md

ADFS 4.0 using OAuth 2 and OpenID

Related issue

There is these settings.

Snap

sudo snap set oauth2-enabled='true'
sudo snap set oauth2-adfs-enabled='true'

Unset:

sudo snap unset oauth2-enabled
sudo snap unset oauth2-adfs-enabled

Docker and .sh/.bat

OAUTH2_ENABLED=true
OAUTH2_ADFS_ENABLED=true

To disable, uncomment or remove that line.