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-rw-r--r--synapse/__init__.py2
-rw-r--r--synapse/config/registration.py1
-rw-r--r--synapse/handlers/federation.py8
-rw-r--r--synapse/storage/client_ips.py3
4 files changed, 9 insertions, 5 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 580927abf4..2e5f4e0ead 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.20.0-rc1"
+__version__ = "0.20.0"
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index 87e500c97a..f7e03c4cde 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -69,6 +69,7 @@ class RegistrationConfig(Config):
         trusted_third_party_id_servers:
             - matrix.org
             - vector.im
+            - riot.im
         """ % locals()
 
     def add_arguments(self, parser):
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 6ed5ce9e10..2d9126dd86 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1097,15 +1097,15 @@ class FederationHandler(BaseHandler):
                 user_id,
                 "leave"
             )
-            signed_event = self._sign_event(event)
+            event = self._sign_event(event)
         except SynapseError:
             raise
         except CodeMessageException as e:
             logger.warn("Failed to reject invite: %s", e)
             raise SynapseError(500, "Failed to reject invite")
 
-        # Try the host we successfully got a response to /make_join/
-        # request first.
+        # Try the host that we succesfully called /make_leave/ on first for
+        # the /send_leave/ request.
         try:
             target_hosts.remove(origin)
             target_hosts.insert(0, origin)
@@ -1115,7 +1115,7 @@ class FederationHandler(BaseHandler):
         try:
             yield self.replication_layer.send_leave(
                 target_hosts,
-                signed_event
+                event
             )
         except SynapseError:
             raise
diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py
index 71e5ea112f..b01f0046e9 100644
--- a/synapse/storage/client_ips.py
+++ b/synapse/storage/client_ips.py
@@ -120,6 +120,9 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
                 where_clauses.append("(user_id = ? AND device_id = ?)")
                 bindings.extend((user_id, device_id))
 
+        if not where_clauses:
+            return []
+
         inner_select = (
             "SELECT MAX(last_seen) mls, user_id, device_id FROM user_ips "
             "WHERE %(where)s "