* 'develop' of github.com:matrix-org/synapse: (369 commits)
Add functions to `MultiWriterIdGen` used by events stream (#8164)
Do not allow send_nonmember_event to be called with shadow-banned users. (#8158)
Changelog fixes
1.19.1rc1
Make StreamIdGen `get_next` and `get_next_mult` async (#8161)
Wording fixes to 'name' user admin api filter (#8163)
Fix missing double-backtick in RST document
Search in columns 'name' and 'displayname' in the admin users endpoint (#7377)
Add type hints for state. (#8140)
Stop shadow-banned users from sending non-member events. (#8142)
Allow capping a room's retention policy (#8104)
Add healthcheck for default localhost 8008 port on /health endpoint. (#8147)
Fix flaky shadow-ban tests. (#8152)
Fix join ratelimiter breaking profile updates and idempotency (#8153)
Do not apply ratelimiting on joins to appservices (#8139)
Don't fail /submit_token requests on incorrect session ID if request_token_inhibit_3pid_errors is turned on (#7991)
Do not apply ratelimiting on joins to appservices (#8139)
Micro-optimisations to get_auth_chain_ids (#8132)
Allow denying or shadow banning registrations via the spam checker (#8034)
Stop shadow-banned users from sending invites. (#8095)
...
Synapse 1.19.1rc1 (2020-08-25)
==============================
Bugfixes
--------
- Fix a bug introduced in v1.19.0 where appservices with ratelimiting disabled would still be ratelimited when joining rooms. ([\#8139](https://github.com/matrix-org/synapse/issues/8139))
- Fix a bug introduced in v1.19.0 that would cause e.g. profile updates to fail due to incorrect application of rate limits on join requests. ([\#8153](https://github.com/matrix-org/synapse/issues/8153))
`StatsHandler` handles updates to the `current_state_delta_stream`, and updates room stats such as the amount of state events, joined users, etc.
However, it counts every new join membership as a new user entering a room (and that user being in another room), whereas it's possible for a user's membership status to go from join -> join, for instance when they change their per-room profile information.
This PR adds a check for join->join membership transitions, and bails out early, as none of the further checks are necessary at that point.
Due to this bug, membership stats in many rooms have ended up being wildly larger than their true values. I am not sure if we also want to include a migration step which recalculates these statistics (possibly using the `_populate_stats_process_rooms` bg update).
Bug introduced in the initial implementation https://github.com/matrix-org/synapse/pull/4338.
Converts tests/rest/admin/test_room.py to have unix file endings after they were accidentally changed in #7613.
Keeping the same changelog as #7613 as it hasn't gone out in a release yet.
This table is no longer used, so we may as well stop populating it. Removing it
would prevent people rolling back to older releases of Synapse, so that can
happen in a future release.
The CI appears to use the latest version of isort, which is a problem when isort gets a major version bump. Rather than try to pin the version, I've done the necessary to make isort5 happy with synapse.
While working on https://github.com/matrix-org/synapse/issues/5665 I found myself digging into the `Ratelimiter` class and seeing that it was both:
* Rather undocumented, and
* causing a *lot* of config checks
This PR attempts to refactor and comment the `Ratelimiter` class, as well as encourage config file accesses to only be done at instantiation.
Best to be reviewed commit-by-commit.
Synapse 1.13.0rc2 (2020-05-14)
==============================
Bugfixes
--------
- Fix a long-standing bug which could cause messages not to be sent over federation, when state events with state keys matching user IDs (such as custom user statuses) were received. ([\#7376](https://github.com/matrix-org/synapse/issues/7376))
- Restore compatibility with non-compliant clients during the user interactive authentication process, fixing a problem introduced in v1.13.0rc1. ([\#7483](https://github.com/matrix-org/synapse/issues/7483))
Internal Changes
----------------
- Fix linting errors in new version of Flake8. ([\#7470](https://github.com/matrix-org/synapse/issues/7470))
* release-v1.13.0:
Don't UPGRADE database rows
RST indenting
Put rollback instructions in upgrade notes
Fix changelog typo
Oh yeah, RST
Absolute URL it is then
Fix upgrade notes link
Provide summary of upgrade issues in changelog. Fix )
Move next version notes from changelog to upgrade notes
Changelog fixes
1.13.0rc1
Documentation on setting up redis (#7446)
Rework UI Auth session validation for registration (#7455)
Fix errors from malformed log line (#7454)
Drop support for redis.dbid (#7450)
