1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index 32db274f32..c46d4fe8cf 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -132,7 +132,8 @@ class VersionsRestServlet(RestServlet):
                     # Adds support for relation-based redactions as per MSC3912.
                     "org.matrix.msc3912": self.config.experimental.msc3912_enabled,
                     # Whether recursively provide relations is supported.
-                    "org.matrix.msc3981": self.config.experimental.msc3981_recurse_relations,
+                    # TODO This is no longer needed once unstable MSC3981 does not need to be supported.
+                    "org.matrix.msc3981": True,
                     # Adds support for deleting account data.
                     "org.matrix.msc3391": self.config.experimental.msc3391_enabled,
                     # Allows clients to inhibit profile update propagation.