SWAMID publishes multiple metadata-streams. Choose the right metadata according to the following process.
Recommendations
All Identity Providers and Service Providers that are able to use the Metadata Query Protocol (MDQ) shall use that protocol instead of downloading metadata aggregates.
Point your SAML implementation MDQ base url against https://mds.swamid.se/.
Service Providers (SP) that can't use the MDQ service should use the swamid-idp-transitive metadata feed: