diff --git a/CHANGES.md b/CHANGES.md
index 0ef9794aac..c83a6afbcd 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,17 +1,28 @@
+Synapse 1.7.0rc2 (2019-12-11)
+=============================
+
+Bugfixes
+--------
+
+- Fix incorrect error message for invalid requests when setting user's avatar URL. ([\#6497](https://github.com/matrix-org/synapse/issues/6497))
+- Fix support for SQLite 3.7. ([\#6499](https://github.com/matrix-org/synapse/issues/6499))
+- Fix regression where sending email push would not work when using a pusher worker. ([\#6507](https://github.com/matrix-org/synapse/issues/6507), [\#6509](https://github.com/matrix-org/synapse/issues/6509))
+
+
 Synapse 1.7.0rc1 (2019-12-09)
 =============================
 
 Features
 --------
 
-- Implement per-room message retention policies. ([\#5815](https://github.com/matrix-org/synapse/issues/5815))
+- Implement per-room message retention policies. ([\#5815](https://github.com/matrix-org/synapse/issues/5815), [\#6436](https://github.com/matrix-org/synapse/issues/6436))
 - Add etag and count fields to key backup endpoints to help clients guess if there are new keys. ([\#5858](https://github.com/matrix-org/synapse/issues/5858))
-- Add admin/v2/users endpoint with pagination. Contributed by Awesome Technologies Innovationslabor GmbH. ([\#5925](https://github.com/matrix-org/synapse/issues/5925))
+- Add `/admin/v2/users` endpoint with pagination. Contributed by Awesome Technologies Innovationslabor GmbH. ([\#5925](https://github.com/matrix-org/synapse/issues/5925))
 - Require User-Interactive Authentication for `/account/3pid/add`, meaning the user's password will be required to add a third-party ID to their account. ([\#6119](https://github.com/matrix-org/synapse/issues/6119))
 - Implement the `/_matrix/federation/unstable/net.atleastfornow/state/<context>` API as drafted in MSC2314. ([\#6176](https://github.com/matrix-org/synapse/issues/6176))
-- Configure privacy preserving settings by default for the room directory. ([\#6354](https://github.com/matrix-org/synapse/issues/6354))
+- Configure privacy-preserving settings by default for the room directory. ([\#6355](https://github.com/matrix-org/synapse/issues/6355))
 - Add ephemeral messages support by partially implementing [MSC2228](https://github.com/matrix-org/matrix-doc/pull/2228). ([\#6409](https://github.com/matrix-org/synapse/issues/6409))
-- Add support for MSC 2367, which allows specifying a reason on all membership events. ([\#6434](https://github.com/matrix-org/synapse/issues/6434))
+- Add support for [MSC 2367](https://github.com/matrix-org/matrix-doc/pull/2367), which allows specifying a reason on all membership events. ([\#6434](https://github.com/matrix-org/synapse/issues/6434))
 
 
 Bugfixes
@@ -26,8 +37,6 @@ Bugfixes
 - Fix an intermittent exception when handling read-receipts. ([\#6408](https://github.com/matrix-org/synapse/issues/6408))
 - Fix broken guest registration when there are existing blocks of numeric user IDs. ([\#6420](https://github.com/matrix-org/synapse/issues/6420))
 - Fix startup error when http proxy is defined. ([\#6421](https://github.com/matrix-org/synapse/issues/6421))
-- Clean up local threepids from user on account deactivation. ([\#6426](https://github.com/matrix-org/synapse/issues/6426))
-- Fix a bug where a room could become unusable with a low retention policy and a low activity. ([\#6436](https://github.com/matrix-org/synapse/issues/6436))
 - Fix error when using synapse_port_db on a vanilla synapse db. ([\#6449](https://github.com/matrix-org/synapse/issues/6449))
 - Fix uploading multiple cross signing signatures for the same user. ([\#6451](https://github.com/matrix-org/synapse/issues/6451))
 - Fix bug which lead to exceptions being thrown in a loop when a cross-signed device is deleted. ([\#6462](https://github.com/matrix-org/synapse/issues/6462))
@@ -67,14 +76,10 @@ Internal Changes
 - Add a test scenario to make sure room history purges don't break `/messages` in the future. ([\#6392](https://github.com/matrix-org/synapse/issues/6392))
 - Clarifications for the email configuration settings. ([\#6423](https://github.com/matrix-org/synapse/issues/6423))
 - Add more tests to the blacklist when running in worker mode. ([\#6429](https://github.com/matrix-org/synapse/issues/6429))
-- Move data store specific code out of `SQLBaseStore`. ([\#6454](https://github.com/matrix-org/synapse/issues/6454))
-- Prepare SQLBaseStore functions being moved out of the stores. ([\#6464](https://github.com/matrix-org/synapse/issues/6464))
-- Move per database functionality out of the data stores and into a dedicated `Database` class. ([\#6469](https://github.com/matrix-org/synapse/issues/6469))
+- Refactor data store layer to support multiple databases in the future. ([\#6454](https://github.com/matrix-org/synapse/issues/6454), [\#6464](https://github.com/matrix-org/synapse/issues/6464), [\#6469](https://github.com/matrix-org/synapse/issues/6469), [\#6487](https://github.com/matrix-org/synapse/issues/6487)) 
 - Port synapse.rest.client.v1 to async/await. ([\#6482](https://github.com/matrix-org/synapse/issues/6482))
 - Port synapse.rest.client.v2_alpha to async/await. ([\#6483](https://github.com/matrix-org/synapse/issues/6483))
 - Port SyncHandler to async/await. ([\#6484](https://github.com/matrix-org/synapse/issues/6484))
-- Pass in `Database` object to data stores. ([\#6487](https://github.com/matrix-org/synapse/issues/6487))
-
 
 Synapse 1.6.1 (2019-11-28)
 ==========================
diff --git a/changelog.d/6497.bugfix b/changelog.d/6497.bugfix
deleted file mode 100644
index 92ed08fc40..0000000000
--- a/changelog.d/6497.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix error message when setting your profile's avatar URL mentioning displaynames, and prevent NoneType avatar_urls.
\ No newline at end of file
diff --git a/changelog.d/6499.bugfix b/changelog.d/6499.bugfix
deleted file mode 100644
index 299feba0f8..0000000000
--- a/changelog.d/6499.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix support for SQLite 3.7.
diff --git a/synapse/__init__.py b/synapse/__init__.py
index c67a51a8d5..fc2a6e4ee6 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -36,7 +36,7 @@ try:
 except ImportError:
     pass
 
-__version__ = "1.7.0rc1"
+__version__ = "1.7.0rc2"
 
 if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
     # We import here so that we don't have to install a bunch of deps when
diff --git a/synapse/app/pusher.py b/synapse/app/pusher.py
index 01a5ffc363..dd52a9fc2d 100644
--- a/synapse/app/pusher.py
+++ b/synapse/app/pusher.py
@@ -33,6 +33,7 @@ from synapse.replication.slave.storage.account_data import SlavedAccountDataStor
 from synapse.replication.slave.storage.events import SlavedEventStore
 from synapse.replication.slave.storage.pushers import SlavedPusherStore
 from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
+from synapse.replication.slave.storage.room import RoomStore
 from synapse.replication.tcp.client import ReplicationClientHandler
 from synapse.server import HomeServer
 from synapse.storage import DataStore
@@ -45,7 +46,11 @@ logger = logging.getLogger("synapse.app.pusher")
 
 
 class PusherSlaveStore(
-    SlavedEventStore, SlavedPusherStore, SlavedReceiptsStore, SlavedAccountDataStore
+    SlavedEventStore,
+    SlavedPusherStore,
+    SlavedReceiptsStore,
+    SlavedAccountDataStore,
+    RoomStore,
 ):
     update_pusher_last_stream_ordering_and_success = __func__(
         DataStore.update_pusher_last_stream_ordering_and_success
diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py
index 4f47562c1b..e7fe50ed72 100644
--- a/synapse/rest/client/v1/profile.py
+++ b/synapse/rest/client/v1/profile.py
@@ -15,6 +15,7 @@
 
 """ This module contains REST servlets to do with profile: /profile/<paths> """
 
+from synapse.api.errors import Codes, SynapseError
 from synapse.http.servlet import RestServlet, parse_json_object_from_request
 from synapse.rest.client.v2_alpha._base import client_patterns
 from synapse.types import UserID
@@ -103,12 +104,11 @@ class ProfileAvatarURLRestServlet(RestServlet):
 
         content = parse_json_object_from_request(request)
         try:
-            new_avatar_url = content.get("avatar_url")
-        except Exception:
-            return 400, "Unable to parse avatar_url"
-
-        if new_avatar_url is None:
-            return 400, "Missing required key: avatar_url"
+            new_avatar_url = content["avatar_url"]
+        except KeyError:
+            raise SynapseError(
+                400, "Missing key 'avatar_url'", errcode=Codes.MISSING_PARAM
+            )
 
         await self.profile_handler.set_avatar_url(
             user, requester, new_avatar_url, is_admin
diff --git a/synapse/storage/data_stores/main/room.py b/synapse/storage/data_stores/main/room.py
index 0148be20d3..aa476d0fbf 100644
--- a/synapse/storage/data_stores/main/room.py
+++ b/synapse/storage/data_stores/main/room.py
@@ -46,6 +46,11 @@ RatelimitOverride = collections.namedtuple(
 
 
 class RoomWorkerStore(SQLBaseStore):
+    def __init__(self, database: Database, db_conn, hs):
+        super(RoomWorkerStore, self).__init__(database, db_conn, hs)
+
+        self.config = hs.config
+
     def get_room(self, room_id):
         """Retrieve a room.