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Synapse v1.21.0 Release Notes

Release Date: 2020-10-12 // over 3 years ago

  • Synapse 1.21.0 (2020-10-12)

    No significant changes since v1.21.0rc3.

    As noted in v1.20.0, a future release will drop support for accessing Synapse's Admin API under the /_matrix/client/* endpoint prefixes. At that point, the Admin API will only be accessible under /_synapse/admin.

    Synapse 1.21.0rc3 (2020-10-08)

    🛠 Bugfixes

    • 🛠 Fix duplication of events on high traffic servers, caused by PostgreSQL could not serialize access due to concurrent update errors. (#8456)

    Internal Changes

    • ➕ Add Groovy Gorilla to the list of distributions we build .debs for. (#8475)

    Synapse 1.21.0rc2 (2020-10-02)

    🔋 Features

    • Convert additional templates from inline HTML to Jinja2 templates. (#8444)

    🛠 Bugfixes

    • 🛠 Fix a regression in v1.21.0rc1 which broke thumbnails of remote media. (#8438)
    • Do not expose the experimental uk.half-shot.msc2778.login.application_service flow in the login API, which caused a compatibility problem with Element iOS. (#8440)
    • 🛠 Fix malformed log line in new federation "catch up" logic. (#8442)
    • 🛠 Fix DB query on startup for negative streams which caused long start up times. Introduced in #8374. (#8447)

    Synapse 1.21.0rc1 (2020-10-01)

    🔋 Features

    • Require the user to confirm that their password should be reset after clicking the email confirmation link. (#8004)
    • Add an admin API GET /_synapse/admin/v1/event_reports to read entries of table event_reports. Contributed by @dklimpel. (#8217)
    • 🔧 Consolidate the SSO error template across all configuration. (#8248, #8405)
    • ➕ Add a configuration option to specify a whitelist of domains that a user can be redirected to after validating their email or phone number. (#8275, #8417)
    • ➕ Add experimental support for sharding event persister. (#8294, #8387, #8396, #8419)
    • ➕ Add the room topic and avatar to the room details admin API. (#8305)
    • ➕ Add an admin API for querying rooms where a user is a member. Contributed by @dklimpel. (#8306)
    • ➕ Add uk.half-shot.msc2778.login.application_service login type to allow appservices to login. (#8320)
    • ➕ Add a configuration option that allows existing users to log in with OpenID Connect. Contributed by @BBBSnowball and @OmmyZhang. (#8345)
    • ➕ Add prometheus metrics for replication requests. (#8406)
    • 👌 Support passing additional single sign-on parameters to the client. (#8413)
    • ➕ Add experimental reporting of metrics on expensive rooms for state-resolution. (#8420)
    • ➕ Add experimental prometheus metric to track numbers of "large" rooms for state resolutiom. (#8425)
    • ➕ Add prometheus metrics to track federation delays. (#8430)

    🛠 Bugfixes

    • 🛠 Fix a bug in the media repository where remote thumbnails with the same size but different crop methods would overwrite each other. Contributed by @deepbluev7. (#7124)
    • 🛠 Fix inconsistent handling of non-existent push rules, and stop tracking the enabled state of removed push rules. (#7796)
    • 🛠 Fix a longstanding bug when storing a media file with an empty upload_name. (#7905)
    • 🛠 Fix messages not being sent over federation until an event is sent into the same room. (#8230, #8247, #8258, #8272, #8322)
    • 🛠 Fix a longstanding bug where files that could not be thumbnailed would result in an Internal Server Error. (#8236, #8435)
    • ⬆️ Upgrade minimum version of canonicaljson to version 1.4.0, to fix an unicode encoding issue. (#8262)
    • 🛠 Fix longstanding bug which could lead to incomplete database upgrades on SQLite. (#8265)
    • 🛠 Fix stack overflow when stderr is redirected to the logging system, and the logging system encounters an error. (#8268)
    • 🛠 Fix a bug which cause the logging system to report errors, if DEBUG was enabled and no context filter was applied. (#8278)
    • 🛠 Fix edge case where push could get delayed for a user until a later event was pushed. (#8287)
    • 🛠 Fix fetching malformed events from remote servers. (#8324)
    • 🛠 Fix UnboundLocalError from occuring when appservices send a malformed register request. (#8329)
    • Don't send push notifications to expired user accounts. (#8353)
    • 🛠 Fix a regression in v1.19.0 with reactivating users through the admin API. (#8362)
    • 🛠 Fix a bug where during device registration the length of the device name wasn't limited. (#8364)
    • ⚡️ Include guest_access in the fields that are checked for null bytes when updating room_stats_state. Broke in v1.7.2. (#8373)
    • 🛠 Fix theoretical race condition where events are not sent down /sync if the synchrotron worker is restarted without restarting other workers. (#8374)
    • 🛠 Fix a bug which could cause errors in rooms with malformed membership events, on servers using sqlite. (#8385)
    • 🛠 Fix "Re-starting finished log context" warning when receiving an event we already had over federation. (#8398)
    • 🛠 Fix incorrect handling of timeouts on outgoing HTTP requests. (#8400)
    • Fix a regression in v1.20.0 in the synapse_port_db script regarding the ui_auth_sessions_ips table. (#8410)
    • ✂ Remove unnecessary 3PID registration check when resetting password via an email address. Bug introduced in v0.34.0rc2. (#8414)

    👌 Improved Documentation

    • ➕ Add /_synapse/client to the reverse proxy documentation. (#8227)
    • ➕ Add note to the reverse proxy settings documentation about disabling Apache's mod_security2. Contributed by Julian Fietkau (@jfietkau). (#8375)
    • 👌 Improve description of server_name config option in homserver.yaml. (#8415)

    🗄 Deprecations and Removals

    • ⬇️ Drop support for prometheus_client older than 0.4.0. (#8426)

    Internal Changes

    • 🛠 Fix tests on distros which disable TLSv1.0. Contributed by @danc86. (#8208)
    • Simplify the distributor code to avoid unnecessary work. (#8216)
    • Remove the populate_stats_process_rooms_2 background job and restore functionality to populate_stats_process_rooms. (#8243)
    • Clean up type hints for PaginationConfig. (#8250, #8282)
    • ✅ Track the latest event for every destination and room for catch-up after federation outage. (#8256)
    • Fix non-user visible bug in implementation of MultiWriterIdGenerator.get_current_token_for_writer. (#8257)
    • Switch to the JSON implementation from the standard library. (#8259)
    • ➕ Add type hints to synapse.util.async_helpers. (#8260)
    • ✅ Simplify tests that mock asynchronous functions. (#8261)
    • ➕ Add type hints to StreamToken and RoomStreamToken classes. (#8279)
    • 🔄 Change StreamToken.room_key to be a RoomStreamToken instance. (#8281)
    • 🔨 Refactor notifier code to correctly use the max event stream position. (#8288)
    • 👉 Use slotted classes where possible. (#8296)
    • 👌 Support testing the local Synapse checkout against the Complement homeserver test suite. (#8317)
    • ⚡️ Update outdated usages of metaclass to python 3 syntax. (#8326)
    • ⚡️ Move lint-related dependencies to package-extra field, update CONTRIBUTING.md to utilise this. (#8330, #8377)
    • 👉 Use the admin_patterns helper in additional locations. (#8331)
    • 🛠 Fix test logging to allow braces in log output. (#8335)
    • Remove __future__ imports related to Python 2 compatibility. (#8337)
    • Simplify super() calls to Python 3 syntax. (#8344)
    • 🛠 Fix bad merge from release-v1.20.0 branch to develop. (#8354)
    • Factor out a _send_dummy_event_for_room method. (#8370)
    • 👌 Improve logging of state resolution. (#8371)
    • ➕ Add type annotations to SimpleHttpClient. (#8372)
    • 🔨 Refactor ID generators to use async with syntax. (#8383)
    • ➕ Add EventStreamPosition type. (#8388)
    • ✅ Create a mechanism for marking tests "logcontext clean". (#8399)
    • A pair of tiny cleanups in the federation request code. (#8401)
    • ➕ Add checks on startup that PostgreSQL sequences are consistent with their associated tables. (#8402)
    • Do not include appservice users when calculating the total MAU for a server. (#8404)
    • 🛠 Typing fixes for synapse.handlers.federation. (#8422)
    • 🔨 Various refactors to simplify stream token handling. (#8423)
    • 👉 Make stream token serializing/deserializing async. (#8427)