OIDC Metadata refresh not working as expected

[fuero]

I've noticed that calling

/opt/shibboleth-idp/bin/reload-service.sh -id shibboleth.MetadataResolverService

doesn't reload the OIDC metadata I've added.

So I tried adding the OIDC metadata provides to the service config like this:

    <util:list id="shibboleth.MetadataResolverResources">
        <value>%{idp.home}/conf/metadata-providers.xml</value>
        <value>%{idp.home}/conf/oidc-metadata-providers.xml</value> <-------------
        <value>%{idp.home}/system/conf/metadata-providers-system.xml</value>
    </util:list>

While the metadata are verified and loaded, they aren't used by the IDP.
I'm guessing it's because the OIDC stuff doesn't tie in the inner workings of the service called here, but being able to reload the metadata without restarting the whole application would be nice.