Synapse 1.15.0rc1 (2020-06-09)

Features

Advertise support for Client-Server API r0.6.0 and remove related unstable feature flags. (#6585)
Add an option to disable autojoining rooms for guest accounts. (#6637)
For SAML authentication, add the ability to pass email addresses to be added to new users' accounts via SAML attributes. Contributed by Christopher Cooper. (#7385)
Add admin APIs to allow server admins to manage users' devices. Contributed by @dklimpel. (#7481)
Add support for generating thumbnails for WebP images. Previously, users would see an empty box instead of preview image. Contributed by @WGH-. (#7586)
Support the standardized m.login.sso user-interactive authentication flow. (#7630)

Allow new users to be registered via the admin API even if the monthly active user limit has been reached. Contributed by @dklimpel. (#7263)
Fix email notifications not being enabled for new users when created via the Admin API. (#7267)
Fix str placeholders in an instance of PrepareDatabaseException. Introduced in Synapse v1.8.0. (#7575)
Fix a bug in automatic user creation during first time login with m.login.jwt. Regression in v1.6.0. Contributed by @olof. (#7585)
Fix a bug causing the cross-signing keys to be ignored when resyncing a device list. (#7594)
Fix metrics failing when there is a large number of active background processes. (#7597)
Fix bug where returning rooms for a group would fail if it included a room that the server was not in. (#7599)
Fix duplicate key violation when persisting read markers. (#7607)
Prevent an entire iteration of the device list resync loop from failing if one server responds with a malformed result. (#7609)
Fix exceptions when fetching events from a remote host fails. (#7622)
Make synctl restart start synapse if it wasn't running. (#7624)
Pass device information through to the login endpoint when using the login fallback. (#7629)
Advertise the m.login.token login flow when OpenID Connect is enabled. (#7631)
Fix bug in account data replication stream. (#7656)

Update the OpenBSD installation instructions. (#7587)
Advertise Python 3.8 support in setup.py. (#7602)
Add a link to #synapse:matrix.org in the troubleshooting section of the README. (#7603)
Clarifications to the admin api documentation. (#7647)

Convert the identity handler to async/await. (#7561)
Improve query performance for fetching state from a PostgreSQL database. Contributed by @ilmari. (#7567)
Speed up processing of federation stream RDATA rows. (#7584)
Add comment to systemd example to show postgresql dependency. (#7591)
Refactor Ratelimiter to limit the amount of expensive config value accesses. (#7595)
Convert groups handlers to async/await. (#7600)
Clean up exception handling in SAML2ResponseResource. (#7614)
Check that all asynchronous tasks succeed and general cleanup of MonthlyActiveUsersTestCase and TestMauLimit. (#7619)
Convert get_user_id_by_threepid to async/await. (#7620)
Switch to upstream dh-virtualenv rather than our fork for Debian package builds. (#7621)
Update CI scripts to check the number in the newsfile fragment. (#7623)
Check if the localpart of a Matrix ID is reserved for guest users earlier in the registration flow, as well as when responding to requests to /register/available. (#7625)
Minor cleanups to OpenID Connect integration. (#7628)
Attempt to fix flaky test: PhoneHomeStatsTestCase.test_performance_100. (#7634)
Fix typos of m.olm.curve25519-aes-sha2 and m.megolm.v1.aes-sha2 in comments, test files. (#7637)
Convert user directory, state deltas, and stats handlers to async/await. (#7640)
Remove some unused constants. (#7644)
Fix type information on assert_*_is_admin methods. (#7645)
Convert registration handler to async/await. (#7649)