Merge tag 'v1.39.0rc2' into develop

Synapse 1.39.0rc2 (2021-07-22)
==============================

Bugfixes
--------

- Always include `device_one_time_keys_count` key in `/sync` response to work around a bug in Element Android that broke encryption for new devices. ([\#10457](https://github.com/matrix-org/synapse/issues/10457))

Internal Changes
----------------

- Move docker image build to Github Actions. ([\#10416](https://github.com/matrix-org/synapse/issues/10416))

CHANGES.md

+Synapse 1.39.0rc2 (2021-07-22)
+==============================
+
+Bugfixes
+--------
+
+- Always include `device_one_time_keys_count` key in `/sync` response to work around a bug in Element Android that broke encryption for new devices. ([\#10457](https://github.com/matrix-org/synapse/issues/10457))
+
+
+Internal Changes
+----------------
+
+- Move docker image build to Github Actions. ([\#10416](https://github.com/matrix-org/synapse/issues/10416))
+
+
 Synapse 1.38.1 (2021-07-22)
 ===========================

changelog.d/10416.misc

-Move docker image build to Github Actions.

synapse/__init__.py

@@ -47,7 +47,7 @@ try:
 except ImportError:
     pass
 
-__version__ = "1.39.0rc1"
+__version__ = "1.39.0rc2"
 
 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