Features

--------

- Python 3.5 and 3.6 support is now in beta.
([\matrix-org#3576](matrix-org#3576))
- Implement `event_format` filter param in `/sync`
([\matrix-org#3790](matrix-org#3790))
- Add synapse_admin_mau:registered_reserved_users metric to expose
number of real reaserved users
([\matrix-org#3846](matrix-org#3846))

Bugfixes
--------

- Remove connection ID for replication prometheus metrics, as it creates
a large number of new series.
([\matrix-org#3788](matrix-org#3788))
- guest users should not be part of mau total
([\matrix-org#3800](matrix-org#3800))
- Bump dependency on pyopenssl 16.x, to avoid incompatibility with
recent Twisted.
([\matrix-org#3804](matrix-org#3804))
- Fix existing room tags not coming down sync when joining a room
([\matrix-org#3810](matrix-org#3810))
- Fix jwt import check
([\matrix-org#3824](matrix-org#3824))
- fix VOIP crashes under Python 3 (matrix-org#3821)
([\matrix-org#3835](matrix-org#3835))
- Fix manhole so that it works with latest openssh clients
([\matrix-org#3841](matrix-org#3841))
- Fix outbound requests occasionally wedging, which can result in
federation breaking between servers.
([\matrix-org#3845](matrix-org#3845))
- Show heroes if room name/canonical alias has been deleted
([\matrix-org#3851](matrix-org#3851))
- Fix handling of redacted events from federation
([\matrix-org#3859](matrix-org#3859))
-  ([\matrix-org#3874](matrix-org#3874))
- Mitigate outbound federation randomly becoming wedged
([\matrix-org#3875](matrix-org#3875))

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

- CircleCI tests now run on the potential merge of a PR.
([\matrix-org#3704](matrix-org#3704))
- http/ is now ported to Python 3.
([\matrix-org#3771](matrix-org#3771))
- Improve human readable error messages for threepid
registration/account update
([\matrix-org#3789](matrix-org#3789))
- Make /sync slightly faster by avoiding needless copies
([\matrix-org#3795](matrix-org#3795))
- handlers/ is now ported to Python 3.
([\matrix-org#3803](matrix-org#3803))
- Limit the number of PDUs/EDUs per federation transaction
([\matrix-org#3805](matrix-org#3805))
- Only start postgres instance for postgres tests on Travis CI
([\matrix-org#3806](matrix-org#3806))
- tests/ is now ported to Python 3.
([\matrix-org#3808](matrix-org#3808))
- crypto/ is now ported to Python 3.
([\matrix-org#3822](matrix-org#3822))
- rest/ is now ported to Python 3.
([\matrix-org#3823](matrix-org#3823))
- add some logging for the keyring queue
([\matrix-org#3826](matrix-org#3826))
- speed up lazy loading by 2-3x
([\matrix-org#3827](matrix-org#3827))
- Improved Dockerfile to remove build requirements after building
reducing the image size.
([\matrix-org#3834](matrix-org#3834))
- Disable lazy loading for incremental syncs for now
([\matrix-org#3840](matrix-org#3840))
- federation/ is now ported to Python 3.
([\matrix-org#3847](matrix-org#3847))
- Log when we retry outbound requests
([\matrix-org#3853](matrix-org#3853))
- Removed some excess logging messages.
([\matrix-org#3855](matrix-org#3855))
- Speed up purge history for rooms that have been previously purged
([\matrix-org#3856](matrix-org#3856))
- Refactor some HTTP timeout code.
([\matrix-org#3857](matrix-org#3857))
- Fix running merged builds on CircleCI
([\matrix-org#3858](matrix-org#3858))
- Fix typo in replication stream exception.
([\matrix-org#3860](matrix-org#3860))
- Add in flight real time metrics for Measure blocks
([\matrix-org#3871](matrix-org#3871))
- Disable buffering and automatic retrying in treq requests to prevent
timeouts. ([\matrix-org#3872](matrix-org#3872))
- mention jemalloc in the README
([\matrix-org#3877](matrix-org#3877))
- Remove unmaintained "nuke-room-from-db.sh" script
([\matrix-org#3888](matrix-org#3888))

Merge pull request matrix-org#3856 from matrix-org/erikj/speed_up_purge

Make purge history slightly faster

Merge pull request matrix-org#3846 from matrix-org/neilj/expose-regis…

…tered-users

expose number of real reserved users

Features

--------

- Support profile API endpoints on workers
([\matrix-org#3659](matrix-org#3659))
- Server notices for resource limit blocking
([\matrix-org#3680](matrix-org#3680))
- Allow guests to use /rooms/:roomId/event/:eventId
([\matrix-org#3724](matrix-org#3724))
- Add mau_trial_days config param, so that users only get counted as MAU
after N days.
([\matrix-org#3749](matrix-org#3749))
- Require twisted 17.1 or later (fixes
[matrix-org#3741](matrix-org#3741)).
([\matrix-org#3751](matrix-org#3751))

Bugfixes
--------

- Fix error collecting prometheus metrics when run on dedicated thread
due to threading concurrency issues
([\matrix-org#3722](matrix-org#3722))
- Fix bug where we resent "limit exceeded" server notices repeatedly
([\matrix-org#3747](matrix-org#3747))
- Fix bug where we broke sync when using limit_usage_by_mau but hadn't
configured server notices
([\matrix-org#3753](matrix-org#3753))
- Fix 'federation_domain_whitelist' such that an empty list correctly
blocks all outbound federation traffic
([\matrix-org#3754](matrix-org#3754))
- Fix tagging of server notice rooms
([\matrix-org#3755](matrix-org#3755),
[\matrix-org#3756](matrix-org#3756))
- Fix 'admin_uri' config variable and error parameter to be
'admin_contact' to match the spec.
([\matrix-org#3758](matrix-org#3758))
- Don't return non-LL-member state in incremental sync state blocks
([\matrix-org#3760](matrix-org#3760))
- Fix bug in sending presence over federation
([\matrix-org#3768](matrix-org#3768))
- Fix bug where preserved threepid user comes to sign up and server is
mau blocked
([\matrix-org#3777](matrix-org#3777))

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

- Removed the link to the unmaintained matrix-synapse-auto-deploy
project from the readme.
([\matrix-org#3378](matrix-org#3378))
- Refactor state module to support multiple room versions
([\matrix-org#3673](matrix-org#3673))
- The synapse.storage module has been ported to Python 3.
([\matrix-org#3725](matrix-org#3725))
- Split the state_group_cache into member and non-member state events
(and so speed up LL /sync)
([\matrix-org#3726](matrix-org#3726))
- Log failure to authenticate remote servers as warnings (without stack
traces) ([\matrix-org#3727](matrix-org#3727))
- The CONTRIBUTING guidelines have been updated to mention our use of
Markdown and that .misc files have content.
([\matrix-org#3730](matrix-org#3730))
- Reference the need for an HTTP replication port when using the
federation_reader worker
([\matrix-org#3734](matrix-org#3734))
- Fix minor spelling error in federation client documentation.
([\matrix-org#3735](matrix-org#3735))
- Remove redundant state resolution function
([\matrix-org#3737](matrix-org#3737))
- The test suite now passes on PostgreSQL.
([\matrix-org#3740](matrix-org#3740))
- Fix MAU cache invalidation due to missing yield
([\matrix-org#3746](matrix-org#3746))
- Make sure that we close db connections opened during init
([\matrix-org#3764](matrix-org#3764))

Synapse 0.33.4rc2 (2018-09-06)

==============================

Pull in security fixes from v0.33.3.1

Synapse 0.33.3.1 (2018-09-06)

=============================

SECURITY FIXES
--------------

- Fix an issue where event signatures were not always correctly validated ([\matrix-org#3796](matrix-org#3796))
- Fix an issue where server_acls could be circumvented for incoming events ([\matrix-org#3796](matrix-org#3796))

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

- Unignore synctl in .dockerignore to fix docker builds ([\matrix-org#3802](matrix-org#3802))

Synapse 0.33.2.1 (2018-09-06)

=============================

SECURITY FIXES
--------------

- Fix an issue where event signatures were not always correctly validated ([\matrix-org#3796](matrix-org#3796))
- Fix an issue where server_acls could be circumvented for incoming events ([\matrix-org#3796](matrix-org#3796))

Merge pull request matrix-org#3800 from matrix-org/neilj/remove-guest…

…s-from-mau-count

guest users should not be part of mau total

Synapse 0.33.4rc1 (2018-09-04)

==============================

Features
--------

- Support profile API endpoints on workers ([\matrix-org#3659](matrix-org#3659))
- Server notices for resource limit blocking ([\matrix-org#3680](matrix-org#3680))
- Allow guests to use /rooms/:roomId/event/:eventId ([\matrix-org#3724](matrix-org#3724))
- Add mau_trial_days config param, so that users only get counted as MAU after N days. ([\matrix-org#3749](matrix-org#3749))
- Require twisted 17.1 or later (fixes [matrix-org#3741](matrix-org#3741)). ([\matrix-org#3751](matrix-org#3751))

Bugfixes
--------

- Fix error collecting prometheus metrics when run on dedicated thread due to threading concurrency issues ([\matrix-org#3722](matrix-org#3722))
- Fix bug where we resent "limit exceeded" server notices repeatedly ([\matrix-org#3747](matrix-org#3747))
- Fix bug where we broke sync when using limit_usage_by_mau but hadn't configured server notices ([\matrix-org#3753](matrix-org#3753))
- Fix 'federation_domain_whitelist' such that an empty list correctly blocks all outbound federation traffic ([\matrix-org#3754](matrix-org#3754))
- Fix tagging of server notice rooms ([\matrix-org#3755](matrix-org#3755), [\matrix-org#3756](matrix-org#3756))
- Fix 'admin_uri' config variable and error parameter to be 'admin_contact' to match the spec. ([\matrix-org#3758](matrix-org#3758))
- Don't return non-LL-member state in incremental sync state blocks ([\matrix-org#3760](matrix-org#3760))
- Fix bug in sending presence over federation ([\matrix-org#3768](matrix-org#3768))
- Fix bug where preserved threepid user comes to sign up and server is mau blocked ([\matrix-org#3777](matrix-org#3777))

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

- Removed the link to the unmaintained matrix-synapse-auto-deploy project from the readme. ([\matrix-org#3378](matrix-org#3378))
- Refactor state module to support multiple room versions ([\matrix-org#3673](matrix-org#3673))
- The synapse.storage module has been ported to Python 3. ([\matrix-org#3725](matrix-org#3725))
- Split the state_group_cache into member and non-member state events (and so speed up LL /sync) ([\matrix-org#3726](matrix-org#3726))
- Log failure to authenticate remote servers as warnings (without stack traces) ([\matrix-org#3727](matrix-org#3727))
- The CONTRIBUTING guidelines have been updated to mention our use of Markdown and that .misc files have content. ([\matrix-org#3730](matrix-org#3730))
- Reference the need for an HTTP replication port when using the federation_reader worker ([\matrix-org#3734](matrix-org#3734))
- Fix minor spelling error in federation client documentation. ([\matrix-org#3735](matrix-org#3735))
- Remove redundant state resolution function ([\matrix-org#3737](matrix-org#3737))
- The test suite now passes on PostgreSQL. ([\matrix-org#3740](matrix-org#3740))
- Fix MAU cache invalidation due to missing yield ([\matrix-org#3746](matrix-org#3746))
- Make sure that we close db connections opened during init ([\matrix-org#3764](matrix-org#3764))