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v1.3.md

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2022-06-15 00:00:00 +0100

v1.3

Git commithttps://github.com/matrix-org/matrix-spec/tree/v1.3
Release dateJune 15, 2022

Client-Server API

Deprecations

  • Deprecate the sender_key and device_id on m.megolm.v1.aes-sha2 events, and the sender_key on m.room_key_request to-device messages, as per MSC3700. (#1101)

Backwards Compatible Changes

  • Make from optional on GET /_matrix/client/v3/messages to allow requesting events from the start or end of the room history, as per MSC3567. (#1002)
  • Add refresh tokens, per MSC2918. (#1056, #1113)
  • Relax the restrictions on Rich Replies, as per MSC3676. (#1062)
  • Describe a structured system for event relationships, as per MSC2674. (#1062)
  • Describe how relationships between events can be "aggregated", as per MSC2675 and MSC3666. (#1062)
  • Add support for a new knock_restricted join rule in supported room versions, as per MSC3787. (#1099)

Spec Clarifications

  • Clarify that the url field in m.room.avatar events is not required. (#987)
  • Clarify that the type in user-interactive authentication can be omitted. (#989)
  • Adjust the OpenAPI specification so that the type Flow information is explicitly defined when the client-server API is rendered. (#1003)
  • Correct the default value for invite where it is not specified in an m.room.power_levels event. (#1021)
  • Update various links which pointed to the old matrix-doc github repository. (#1032)
  • Removed m.room.message.feedback per MSC3582. (#1035)
  • Fix various typos throughout the specification. (#1051, #1054, #1059, #1081, #1097, #1110, #1115, #1126, #1127, #1128, #1129, #3681, #3708)
  • Clarify that state keys starting with @ are in fact reserved. Regressed from #3658. (#1100)
  • Remove unenforced size limit on the name field of m.room.name events. (#3669)
  • Remove erroneous room_id field from examples of m.read, m.typing in /sync and m.fully_read in room account data. (#3679)
  • Clarify the behaviour of event_match in push rule conditions. (#3690)
  • Fix incorrectly referenced m.login.appservice login identifier, instead using m.login.application_service. (#3711)
  • Fix membership state transitions to denote that invite->knock and external->leave are valid transitions. (#3730)

Server-Server API

Backwards Compatible Changes

  • Add a destination property to the Authorization header, as per MSC3383. (#1067)

Spec Clarifications

  • Remove largely unused origin field from PDUs. (#998)
  • Update various links which pointed to the old matrix-doc github repository. (#1032)
  • Clarify the format for the Authorization header. (#1038, #1067)
  • Clarify what a "valid event" means when performing checks on a received PDU. (#1045)
  • Clarify that valid_until_ts is in milliseconds, like other timestamps used in Matrix. (#1055)
  • Clarify that checks on PDUs should refer to the state before an event. (#1070)
  • Clarify the historical handling of non-integer power levels. (#1099)
  • Fix various typos throughout the specification. (#1110)
  • Correct misleading text for /send_join response. (#3703)
  • Clarify that the content for X-Matrix signature validation is the parsed JSON body. (#3727)

Application Service API

Backwards Compatible Changes

Identity Service API

No significant changes.

Push Gateway API

No significant changes.

Room Versions

Backwards Compatible Changes

  • Add room version 10 as per MSC3604. (#1099)
  • Enforce integer power levels in room version 10 as per MSC3667. (#1099)
  • Add a knock_restricted join rule supported by room version 10 as per MSC3787. (#1099)
  • Update the default room version to 9 as per MSC3589. (#3739)

Spec Clarifications

  • Improve readability and understanding of the state resolution algorithms. (#1037, #1042, #1043, #1120)
  • Improve readability of the authorization rules. (#1050)
  • For room versions 8, 9, and 10: clarify which homeserver is required to sign the join event. (#1093)
  • Clarify that room versions 1 through 9 accept stringy power levels, as noted by MSC3667. (#1099)
  • For all room versions: Add m.federate to the authorization rules, as originally intended. (#1103)
  • For room versions 2 through 10: More explicitly define the mainline of a power event and the mainline ordering of other events. (#1107)
  • For room versions 7, 8, 9, and 10: fix join membership authorization rules when join_rule is knock. (#3737)

Appendices

No significant changes.