Restore posibility to use HTTP-Artifact on AuthnRequests

docs/simplesamlphp-changelog.md

@@ -16,6 +16,7 @@ Released TBD
 * It is now possible to set a default AuthnContext in the RequestedAuthnContextSelector.
 * Fixed a bug in MDQ metadata expiration
 * Resolved a possible object injection vulnerability in MDQ metadata cache
+* Restored the possibility to use HTTP-Artifact binding on AuthnRequests
 
 ## Version 2.0.3
 

modules/saml/src/Auth/Source/SP.php

@@ -613,6 +613,7 @@ class SP extends \SimpleSAML\Auth\Source
             $dst = $idpMetadata->getEndpointPrioritizedByBinding(
                 'SingleSignOnService',
                 [
+                    C::BINDING_HTTP_ARTIFACT,
                     C::BINDING_HTTP_REDIRECT,
                     C::BINDING_HTTP_POST,
                 ]