Merge branch 'master' into develop

* master:
  1.12.1
  Note where bugs were introduced
  1.12.1rc1
  Newsfile
  Rewrite changelog
  Add changelog
  Only import sqlite3 when type checking
  Fix another instance
  Only setdefault for signatures if device has key_json
  Fix starting workers when federation sending not split out.
  Attempt to clarify Python version requirements (#7161)
  Improve the UX of the login fallback when using SSO (#7152)
  Update the wording of the config comment
  Lint
  Changelog
  Regenerate sample config
  Whitelist the login fallback by default for SSO

CHANGES.md

@@ -6,6 +6,22 @@ Next version
   configuration then this template will need to be duplicated into that
   directory.
 
+Synapse 1.12.1 (2020-04-02)
+===========================
+
+No significant changes since 1.12.1rc1.
+
+
+Synapse 1.12.1rc1 (2020-03-31)
+==============================
+
+Bugfixes
+--------
+
+- Fix starting workers when federation sending not split out. ([\#7133](https://github.com/matrix-org/synapse/issues/7133)). Introduced in v1.12.0.
+- Avoid importing `sqlite3` when using the postgres backend. Contributed by David Vo. ([\#7155](https://github.com/matrix-org/synapse/issues/7155)). Introduced in v1.12.0rc1.
+- Fix a bug which could cause outbound federation traffic to stop working if a client uploaded an incorrect e2e device signature. ([\#7177](https://github.com/matrix-org/synapse/issues/7177)). Introduced in v1.11.0.
+
 Synapse 1.12.0 (2020-03-23)
 ===========================
 

INSTALL.md

@@ -36,7 +36,7 @@ that your email address is probably `user@example.com` rather than
 System requirements:
 
 - POSIX-compliant system (tested on Linux & OS X)
-- Python 3.5, 3.6, 3.7 or 3.8.
+- Python 3.5.2 or later, up to Python 3.8.
 - At least 1GB of free RAM if you want to join large public rooms like #matrix:matrix.org
 
 Synapse is written in Python but some of the libraries it uses are written in
@@ -393,8 +393,8 @@ so, you will need to edit `homeserver.yaml`, as follows:
   for having Synapse automatically provision and renew federation
   certificates through ACME can be found at [ACME.md](docs/ACME.md).
   Note that, as pointed out in that document, this feature will not
-  work with installs set up after November 2019. 
-  
+  work with installs set up after November 2019.
+
   If you are using your own certificate, be sure to use a `.pem` file that
   includes the full certificate chain including any intermediate certificates
   (for instance, if using certbot, use `fullchain.pem` as your certificate, not

debian/changelog

+matrix-synapse-py3 (1.12.1) stable; urgency=medium
+
+  * New synapse release 1.12.1.
+
+ -- Synapse Packaging team <packages@matrix.org>  Mon, 02 Apr 2020 11:30:47 +0000
+
 matrix-synapse-py3 (1.12.0) stable; urgency=medium
 
   * New synapse release 1.12.0.

synapse/__init__.py

@@ -36,7 +36,7 @@ try:
 except ImportError:
     pass
 
-__version__ = "1.12.0"
+__version__ = "1.12.1"
 
 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