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Synapse v1.19.0.rc1 Release Notes

Release Date: 2020-08-13 // almost 4 years ago

  • ⚠ Removal warning

    🚀 As outlined in the previous release, we are no longer publishing Docker images with the -py3 tag suffix. On top of that, we have also removed the latest-py3 tag. Please see the announcement in the upgrade notes for 1.18.0.

    🔋 Features

    • ➕ Add option to allow server admins to join rooms which fail complexity checks. Contributed by @lugino-emeritus. (#7902)
    • Add an option to purge room or not with delete room admin endpoint (POST /_synapse/admin/v1/rooms/<room_id>/delete). Contributed by @dklimpel. (#7964)
    • ➕ Add rate limiting to users joining rooms. (#8008)
    • ➕ Add a /health endpoint to every configured HTTP listener that can be used as a health check endpoint by load balancers. (#8048)
    • 👍 Allow login to be blocked based on the values of SAML attributes. (#8052)
    • Allow guest access to the GET /_matrix/client/r0/rooms/{room_id}/members endpoint, according to MSC2689. Contributed by Awesome Technologies Innovationslabor GmbH. (#7314)

    🛠 Bugfixes

    • 🛠 Fix a bug introduced in Synapse v1.7.2 which caused inaccurate membership counts in the room directory. (#7977)
    • Fix a long standing bug: 'Duplicate key value violates unique constraint "event_relations_id"' when message retention is configured. (#7978)
    • 🛠 Fix "no create event in auth events" when trying to reject invitation after inviter leaves. Bug introduced in Synapse v1.10.0. (#7980)
    • 🛠 Fix various comments and minor discrepencies in server notices code. (#7996)
    • 🛠 Fix a long standing bug where HTTP HEAD requests resulted in a 400 error. (#7999)
    • 🛠 Fix a long-standing bug which caused two copies of some log lines to be written when synctl was used along with a MemoryHandler logger. (#8011, #8012)

    ⚡️ Updates to the Docker image

    👌 Improved Documentation

    • 📚 Document how to set up a client .well-known file and fix several pieces of outdated documentation. (#7899)
    • 👌 Improve workers docs. (#7990, #8000)
    • 🛠 Fix typo in docs/workers.md. (#7992)
    • ➕ Add documentation for how to undo a room shutdown. (#7998, #8010)

    Internal Changes

    • ⬇️ Reduce the amount of whitespace in JSON stored and sent in responses. Contributed by David Vo. (#7372)
    • Switch to the JSON implementation from the standard library and bump the minimum version of the canonicaljson library to 1.2.0. (#7936, #7979)
    • Convert various parts of the codebase to async/await. (#7947, #7948, #7949, #7951, #7963, #7973, #7975, #7976, #7981, #7987, #7989, #8003, #8014, #8016, #8027, #8031, #8032, #8035, #8042, #8044, #8045, #8061, #8062, #8063, #8066, #8069, #8070)
    • 🚚 Move some database-related log lines from the default logger to the database/transaction loggers. (#7952)
    • ➕ Add a script to detect source code files using non-unix line terminators. (#7965, #7970)
    • 🌲 Log the SAML session ID during creation. (#7971)
    • Implement new experimental push rules for some users. (#7997)
    • ✂ Remove redundant and unreliable signature check for v1 Identity Service lookup responses. (#8001)
    • 👌 Improve the performance of the register endpoint. (#8009)
    • ⬇️ Reduce less useful output in the newsfragment CI step. Add a link to the changelog section of the contributing guide on error. (#8024)
    • 📇 Rename storage layer objects to be more sensible. (#8033)
    • 🔄 Change the default log config to reduce disk I/O and storage for new servers. (#8040)
    • Add an assertion on prev_events in create_new_client_event. (#8041)
    • ➕ Add a comment to ServerContextFactory about the use of SSLv23_METHOD. (#8043)
    • 🌲 Log OPTIONS requests at DEBUG rather than INFO level to reduce amount logged at INFO. (#8049)
    • ⬇️ Reduce amount of outbound request logging at INFO level. (#8050)
    • 🔧 It is no longer necessary to explicitly define filters in the logging configuration. (Continuing to do so is redundant but harmless.) (#8051)
    • ➕ Add and improve type hints. (#8058, #8064, #8060, #8067)

    Synapse 1.18.0 (2020-07-30)

    🗄 Deprecation Warnings

    🐳 Docker Tags with -py3 Suffix

    🚀 From 10th August 2020, we will no longer publish Docker images with the -py3 tag suffix. The images tagged with the -py3 suffix have been identical to the non-suffixed tags since release 0.99.0, and the suffix is obsolete.

    🚀 On 10th August, we will remove the latest-py3 tag. Existing per-release tags (such as v1.18.0-py3) will not be removed, but no new -py3 tags will be added.

    ⚡️ Scripts relying on the -py3 suffix will need to be updated.

    TCP-based Replication

    🚀 When setting up worker processes, we now recommend the use of a Redis server for replication. The old direct TCP connection method is deprecated and will be removed in a future release. See docs/workers.md for more details.

    👌 Improved Documentation

    • ⚡️ Update worker docs with latest enhancements. (#7969)