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matrix-spec/content/changelog/v1.2.md
Richard van der Hoff 08fde5f257
Generate unstable changelogs using towncrier (#1340) 
Replace the current stack of hugo templates with a towncrier invocation. The main advantage of this is that it means that the "Changes since last release" section is consistent with the changelogs for the actual releases.

This also changes the release process so that the changelog is generated before tagging, which means that the thing tagged v1.5 is actually the v1.5 spec.

Fixes #908.
2022-11-15 23:26:55 +00:00

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date
2022-02-02T00:00:00+0000

v1.2

Git commithttps://github.com/matrix-org/matrix-doc/tree/v1.2
Release dateFebruary 02, 2022

Client-Server API

Breaking Changes

  • The prev_content field is now returned inside the unsigned property of events, rather than at the top level, as per MSC3442. (#3524)
  • The aliases property from the chunks returned by /publicRooms, as per MSC2432. (#3624)

New Endpoints

  • Add the Space Hierarchy API (GET /_matrix/client/v1/rooms/{roomId}/hierarchy) as per MSC2946. (#3610)
  • Add /_matrix/client/v1/register/m.login.registration_token/validity as per MSC3231. (#3616)

Backwards Compatible Changes

  • Extend /_matrix/client/r0/login to accept a m.login.appservice, as per MSC2778. (#3324)
  • Add support for restricted rooms as per MSC3083, MSC3289, and MSC3375. (#3387)
  • Add is_guest to /account/whoami as per MSC3069. (#3605)
  • Expand guest access to sending any room event and state event as per MSC3419. (#3605)
  • Add Spaces and room types as per MSC1772 and MSC2946. (#3610)
  • Add new m.set_displayname, m.set_avatar_url, and m.3pid_changes capabilities as per MSC3283. (#3614)
  • Add support for fallback keys (optional keys used once one-time keys run out), as per MSC2732. (#3615)
  • Add token-authenticated registration support as per MSC3231. (#3616)

Spec Clarifications

  • Make AesHmacSha2KeyDescription consistent with KeyDescription in marking name as optional. (#3481)
  • Fix various typos throughout the specification. (#3482, #3495, #3509, #3535, #3591, #3601, #3611, #3671, #3680)
  • Explicitly mention RFC5870 in the definition of m.location events (#3492)
  • Add 403 M_FORBIDDEN error code to /profile/{userId} as per MSC3550. (#3530)
  • Clarify the description of the /sync API, including a fix to an ASCII art diagram. (#3543)
  • Clarify that base_url in client well_known may or may not include trailing slash. (#3562)
  • Clarify which signature to check when decrypting m.olm.v1.curve25519-aes-sha2 messages. (#3573)
  • Clarify what "Stripped State" is and what purpose it serves, as per MSC3173. (#3606)
  • Clarify how to interpret missing one-time key counts. (#3636)
  • Correct the schema for the responses for various API endpoints. (#3650)
  • Clarify that group mentions are no longer in the specification. (#3652)
  • Distinguish between "federation" event format as exchanged by the Federation API, and the "client" event formats as used in the client-server and AS APIs. (#3658)
  • Fix the rendering of the responses for various API endpoints. (#3674)

Server-Server API

New Endpoints

  • Add the Space Hierarchy API (GET /_matrix/federation/v1/hierarchy/{roomId}) as per MSC2946. (#3610, #3660)

Backwards Compatible Changes

Spec Clarifications

  • Fix various typos throughout the specification. (#3527, #3528)
  • Clarify that GET /_matrix/federation/v1/event_auth/{roomId}/{eventId} does not return the auth chain for the full state of the room. (#3583)
  • Fix the rendering of the responses for various API endpoints. (#3674)

Application Service API

Spec Clarifications

  • Distinguish between "federation" event format as exchanged by the Federation API, and the "client" event formats as used in the client-server and AS APIs. (#3658)
  • Fix the rendering of the responses for various API endpoints. (#3674)
  • Correct the documentation for the response value for GET /_matrix/app/v1/thirdparty/protocol/{protocol}. (#3675)

Identity Service API

Backwards Compatible Changes

  • Add the room_type to stored invites as per MSC3288. (#3610)

Spec Clarifications

  • Fix the rendering of the responses for various API endpoints. (#3674)

Push Gateway API

Spec Clarifications

  • Fix the rendering of the responses for various API endpoints. (#3674)

Room Versions

Backwards Compatible Changes

Spec Clarifications

  • Fully specify room versions to indicate what exactly is carried over from parent versions. (#3432, #3661)
  • Clarifications to sections on event IDs and event formats. (#3501)
  • Remove a number of fields which were incorrectly shown to form part of the unsigned data of a Federation PDU. (#3522)
  • Fix heading order of room version specifications to be consistent. (#3683)
  • Add missing "Signing key validity period" section to room version 6. (#3683)
  • Fix auth rules to allow membership of knock -> leave in v7, v8, and v9. (#3694)

Appendices

Backwards Compatible Changes

  • Describe "Common Namespaced Identifier Grammar" as per MSC2758. (#3171)
  • Describe the matrix: URI scheme as per MSC2312. (#3608)