In Liferay 6.2 it was possible to configure SP Connection by simply putting metadata.xml files in a configured directory:
In Liferay DXP 7.2 the "export all configs" function from the control panel doesn't include configure SP Connections, when using Liferay as IdP.
This leads to manual tasks after dooing a DB migration from 6.2 to DXP. It is also not possible to version the config using GIT and doing automated Deployments for staged environments.
Having SP Connection configurable via osgi configs would serve both purposes and you can still use the validation function from the ui by editing the config there and doing an export afterwards.