1 files changed, 4 insertions, 0 deletions
diff --git a/UPGRADE.rst b/UPGRADE.rst
index d00f718cae..22edfe0d60 100644
--- a/UPGRADE.rst
+++ b/UPGRADE.rst
@@ -99,6 +99,10 @@ to the list of permitted "redirect URIs" at the identity provider.
 See `docs/openid.md <docs/openid.md>`_ for more information on setting up OpenID
 Connect.
 
+(Note: a similar change is being made for SAML2; in this case the old URI
+``[synapse public baseurl]/_matrix/saml2`` is being deprecated, but will continue to
+work, so no immediate changes are required for existing installations.)
+
 Changes to HTML templates
 -------------------------