## v1.4
Git commithttps://github.com/matrix-org/matrix-spec/tree/v1.4
Release dateSeptember 29, 2022
### Client-Server API Removed Endpoints - Remove unused policy room sharing mechanism, as per [MSC3844](https://github.com/matrix-org/matrix-spec-proposals/pull/3844). ([#1196](https://github.com/matrix-org/matrix-spec/issues/1196)) Backwards Compatible Changes - Add a `.m.rule.room.server_acl` push rule to match `m.room.server_acl` events, as per [MSC3786](https://github.com/matrix-org/matrix-spec-proposals/pull/3786). ([#1190](https://github.com/matrix-org/matrix-spec/issues/1190), [#1201](https://github.com/matrix-org/matrix-spec/issues/1201)) - Add `Cross-Origin-Resource-Policy` (CORP) headers to media repository, as per [MSC3828](https://github.com/matrix-org/matrix-spec-proposals/pull/3828). ([#1197](https://github.com/matrix-org/matrix-spec/issues/1197)) - Copy a room's `type` when upgrading it, as per [MSC3818](https://github.com/matrix-org/matrix-spec-proposals/pull/3818). ([#1198](https://github.com/matrix-org/matrix-spec/issues/1198)) - Add `room_types` filter and `room_type` response to `/publicRooms`, as per [MSC3827](https://github.com/matrix-org/matrix-spec-proposals/pull/3827). ([#1199](https://github.com/matrix-org/matrix-spec/issues/1199)) - Add `m.replace` relations (event edits), as per [MSC2676](https://github.com/matrix-org/matrix-spec-proposals/pull/2676). ([#1211](https://github.com/matrix-org/matrix-spec/issues/1211)) - Add `m.read.private` receipts, as per [MSC2285](https://github.com/matrix-org/matrix-spec-proposals/pull/2285). ([#1216](https://github.com/matrix-org/matrix-spec/issues/1216)) - Make `m.fully_read` optional on `/read_markers`, as per [MSC2285](https://github.com/matrix-org/matrix-spec-proposals/pull/2285). ([#1216](https://github.com/matrix-org/matrix-spec/issues/1216)) - Allow `m.fully_read` markers to be set from `/receipts`, as per [MSC2285](https://github.com/matrix-org/matrix-spec-proposals/pull/2285). ([#1216](https://github.com/matrix-org/matrix-spec/issues/1216)) - Add threading via `m.thread` relations, as per [MSC3440](https://github.com/matrix-org/matrix-spec-proposals/pull/3440), [MSC3816](https://github.com/matrix-org/matrix-spec-proposals/pull/3816), [MSC3856](https://github.com/matrix-org/matrix-spec-proposals/pull/3856), and [MSC3715](https://github.com/matrix-org/matrix-spec-proposals/pull/3715). ([#1254](https://github.com/matrix-org/matrix-spec/issues/1254)) - Add per-thread notifications and read receipts, as per [MSC3771](https://github.com/matrix-org/matrix-spec-proposals/pull/3771) and [MSC3773](https://github.com/matrix-org/matrix-spec-proposals/pull/3773). ([#1255](https://github.com/matrix-org/matrix-spec/issues/1255)) - Add `thread_id` to the `/receipt` endpoint, as per [MSC3771](https://github.com/matrix-org/matrix-spec-proposals/pull/3771). ([#1261](https://github.com/matrix-org/matrix-spec/issues/1261)) Spec Clarifications - Mention that the `/rooms/{roomId}/invite` endpoint will return a 200 response if the user is already invited to the room. ([#1084](https://github.com/matrix-org/matrix-spec/issues/1084)) - Fix various typos throughout the specification. ([#1135](https://github.com/matrix-org/matrix-spec/issues/1135), [#1161](https://github.com/matrix-org/matrix-spec/issues/1161), [#1164](https://github.com/matrix-org/matrix-spec/issues/1164), [#1170](https://github.com/matrix-org/matrix-spec/issues/1170), [#1180](https://github.com/matrix-org/matrix-spec/issues/1180), [#1215](https://github.com/matrix-org/matrix-spec/issues/1215), [#1238](https://github.com/matrix-org/matrix-spec/issues/1238), [#1243](https://github.com/matrix-org/matrix-spec/issues/1243), [#1263](https://github.com/matrix-org/matrix-spec/issues/1263)) - Describe return codes for account data endpoints, and clarify that per-room data does not inherit from the global data. ([#1155](https://github.com/matrix-org/matrix-spec/issues/1155)) - Clarify that policy rule globs work like ACL globs. Contributed by Nico. ([#1165](https://github.com/matrix-org/matrix-spec/issues/1165)) - Clarify the format of some structures in the End-to-end encryption module. ([#1166](https://github.com/matrix-org/matrix-spec/issues/1166)) - Add HTML anchors for object definitions in the formatted specification. ([#1174](https://github.com/matrix-org/matrix-spec/issues/1174)) - Tweak the styling of `` snippets in tables rendered from OpenAPI definitions. ([#1179](https://github.com/matrix-org/matrix-spec/issues/1179)) - Update "API Standards" section to clarify how JSON is used. ([#1185](https://github.com/matrix-org/matrix-spec/issues/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](https://github.com/matrix-org/matrix-spec/issues/1210)) - Reinforce the relationship of refreshed access tokens to transaction IDs. ([#1236](https://github.com/matrix-org/matrix-spec/issues/1236)) - Clarify enum values by separating possible values with commas. ([#1240](https://github.com/matrix-org/matrix-spec/issues/1240)) ### Server-Server API Backwards Compatible Changes - Add per-thread notifications and read receipts, as per [MSC3771](https://github.com/matrix-org/matrix-spec-proposals/pull/3771) and [MSC3773](https://github.com/matrix-org/matrix-spec-proposals/pull/3773). ([#1255](https://github.com/matrix-org/matrix-spec/issues/1255)) Spec Clarifications - Add HTML anchors for object definitions in the formatted specification. ([#1174](https://github.com/matrix-org/matrix-spec/issues/1174)) - Tweak the styling of `` snippets in tables rendered from OpenAPI definitions. ([#1179](https://github.com/matrix-org/matrix-spec/issues/1179)) - Update "API Standards" section to clarify how JSON is used. ([#1185](https://github.com/matrix-org/matrix-spec/issues/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](https://github.com/matrix-org/matrix-spec-proposals/pull/2832). ([#1200](https://github.com/matrix-org/matrix-spec/issues/1200)) Spec Clarifications - Add HTML anchors for object definitions in the formatted specification. ([#1174](https://github.com/matrix-org/matrix-spec/issues/1174)) ### Identity Service API Spec Clarifications - Add HTML anchors for object definitions in the formatted specification. ([#1174](https://github.com/matrix-org/matrix-spec/issues/1174)) - Update "API Standards" section to clarify how JSON is used. ([#1185](https://github.com/matrix-org/matrix-spec/issues/1185)) ### Push Gateway API Spec Clarifications - Add HTML anchors for object definitions in the formatted specification. ([#1174](https://github.com/matrix-org/matrix-spec/issues/1174)) ### Room Versions Spec Clarifications - For room versions 1 through 10, clarify that events with rejected `auth_events` must be rejected. ([#1137](https://github.com/matrix-org/matrix-spec/issues/1137)) - For room versions 2–10: correct a mistaken clarification to the state resolution algorithm. ([#1158](https://github.com/matrix-org/matrix-spec/issues/1158)) - For room versions 7 through 10: Clarify that `invite->knock` is actually a legal transition. ([#1175](https://github.com/matrix-org/matrix-spec/issues/1175)) ### Appendices No significant changes. ### Internal Changes/Tooling Backwards Compatible Changes - Add internal changes changelog section. ([#1194](https://github.com/matrix-org/matrix-spec/issues/1194)) Spec Clarifications - Render HTML anchors for object definition tables. ([#1191](https://github.com/matrix-org/matrix-spec/issues/1191)) - Give rendered-data sections a background and some padding. ([#1195](https://github.com/matrix-org/matrix-spec/issues/1195)) - Fix rendering of shortcodes within the client-server API. ([#1205](https://github.com/matrix-org/matrix-spec/issues/1205)) - Fix the spacing of mapping types generated from the OpenAPI spec. ([#1230](https://github.com/matrix-org/matrix-spec/issues/1230))