matrix-spec/layouts/partials/changelogs/v1.4.md

v1.4

Git commit	https://github.com/matrix-org/matrix-spec/tree/v1.4
Release date	September 29, 2022

Client-Server API

Removed Endpoints

• Remove unused policy room sharing mechanism, as per MSC3844. (#1196)

Backwards Compatible Changes

• Add a .m.rule.room.server_acl push rule to match m.room.server_acl events, as per MSC3786. (#1190, #1201)
• Add Cross-Origin-Resource-Policy (CORP) headers to media repository, as per MSC3828. (#1197)
• Copy a room's type when upgrading it, as per MSC3818. (#1198)
• Add room_types filter and room_type response to /publicRooms, as per MSC3827. (#1199)
• Add m.replace relations (event edits), as per MSC2676. (#1211)
• Add m.read.private receipts, as per MSC2285. (#1216)
• Make m.fully_read optional on /read_markers, as per MSC2285. (#1216)
• Allow m.fully_read markers to be set from /receipts, as per MSC2285. (#1216)
• Add threading via m.thread relations, as per MSC3440, MSC3816, MSC3856, and MSC3715. (#1254)
• Add per-thread notifications and read receipts, as per MSC3771 and MSC3773. (#1255)

Spec Clarifications

• Mention that the /rooms/{roomId}/invite endpoint will return a 200 response if the user is already invited to the room. (#1084)
• Fix various typos throughout the specification. (#1135, #1161, #1164, #1170, #1180, #1215, #1238, #1243)
• Describe return codes for account data endpoints, and clarify that per-room data does not inherit from the global data. (#1155)
• Clarify that policy rule globs work like ACL globs. Contributed by Nico. (#1165)
• Clarify the format of some structures in the End-to-end encryption module. (#1166)
• Add HTML anchors for object definitions in the formatted specification. (#1174)
• Tweak the styling of <code> snippets in tables rendered from OpenAPI definitions. (#1179)
• Update "API Standards" section to clarify how JSON is used. (#1185)
• Clarify that the "device_id", "user_id" and "access_token" fields are required in the response body of POST /_matrix/client/v3/login. (#1210)
• Reinforce the relationship of refreshed access tokens to transaction IDs. (#1236)
• Clarify enum values by separating possible values with commas. (#1240)

Server-Server API

Backwards Compatible Changes

• Add per-thread notifications and read receipts, as per MSC3771 and MSC3773. (#1255)

Spec Clarifications

• Add HTML anchors for object definitions in the formatted specification. (#1174)
• Tweak the styling of <code> snippets in tables rendered from OpenAPI definitions. (#1179)
• Update "API Standards" section to clarify how JSON is used. (#1185)

Application Service API

Breaking Changes

• Replace homeserver authorization approach with an Authorization header instead of access_token when talking to the application service, as per MSC2832. (#1200)

Spec Clarifications

• Add HTML anchors for object definitions in the formatted specification. (#1174)

Identity Service API

Spec Clarifications

• Add HTML anchors for object definitions in the formatted specification. (#1174)
• Update "API Standards" section to clarify how JSON is used. (#1185)

Push Gateway API

Spec Clarifications

• Add HTML anchors for object definitions in the formatted specification. (#1174)

Room Versions

Spec Clarifications

• For room versions 1 through 10, clarify that events with rejected auth_events must be rejected. (#1137)
• For room versions 2–10: correct a mistaken clarification to the state resolution algorithm. (#1158)
• For room versions 7 through 10: Clarify that invite->knock is actually a legal transition. (#1175)

Appendices

No significant changes.

Internal Changes/Tooling

Backwards Compatible Changes

• Add internal changes changelog section. (#1194)

Spec Clarifications

• Render HTML anchors for object definition tables. (#1191)
• Give rendered-data sections a background and some padding. (#1195)
• Fix rendering of shortcodes within the client-server API. (#1205)
• Fix the spacing of mapping types generated from the OpenAPI spec. (#1230)