v1.83.0rc1

Synapse 1.83.0rc1 (2023-05-02)

Features

• Experimental support to recursively provide relations per MSC3981. (#15315)
• Experimental support for MSC3970: Scope transaction IDs to devices. (#15318)
• Add an admin API endpoint to support per-user feature flags. (#15344)
• Add a module API to send an HTTP push notification. (#15387)
• Add an admin API endpoint to query the largest rooms by disk space used in the database. (#15482)

Bugfixes

• Disable push rule evaluation for rooms excluded from sync. (#15361)
• Fix a long-standing bug where cached server key results which were directly fetched would not be properly re-used. (#15417)
• Fix a bug introduced in Synapse 1.73.0 where some experimental push rules were returned by default. (#15494)

Improved Documentation

• Add Nginx loadbalancing example with sticky mxid for workers. (#15411)
• Update outdated development docs that mention restrictions in versions of SQLite that we no longer support. (#15498)

Internal Changes

• Speedup tests by caching HomeServerConfig instances. (#15284)
• Add denormalised event stream ordering column to membership state tables for future use. Contributed by Nick @ Beeper (@Fizzadar). (#15356)
• Always use multi-user device resync replication endpoints. (#15418)
• Add column full_user_id to tables profiles and user_filters. (#15458)
• Update support for MSC3983 to allow always returning fallback-keys in a /keys/claim request. (#15462)
• Improve type hints. (#15465, #15496, #15497)
• Support claiming more than one OTK at a time. (#15468)
• Bump types-pyyaml from 6.0.12.8 to 6.0.12.9. (#15471)
• Bump pyasn1-modules from 0.2.8 to 0.3.0. (#15473)
• Bump cryptography from 40.0.1 to 40.0.2. (#15474)
• Bump types-netaddr from 0.8.0.7 to 0.8.0.8. (#15475)
• Bump types-jsonschema from 4.17.0.6 to 4.17.0.7. (#15476)
• Ask bug reporters to provide logs as text. (#15479)
• Add a Nix flake for use as a development environment. (#15495)
• Bump anyhow from 1.0.70 to 1.0.71. (#15507)
• Bump types-pillow from 9.4.0.19 to 9.5.0.2. (#15508)
• Bump packaging from 23.0 to 23.1. (#15510)
• Bump types-requests from 2.28.11.16 to 2.29.0.0. (#15511)
• Bump setuptools-rust from 1.5.2 to 1.6.0. (#15512)
• Update the check_schema_delta script to account for when the schema version has been bumped locally. (#15466)