v1.1rc4 announcement (json-api#1657)

dgeb · web-flow · commit a99ec34a43bf · 2022-08-22T15:22:34.000-04:00
Adds announcement regarding the release of v1.1rc4 as well as the expected final release of v1.1 on September 30.
diff --git a/_config.yml b/_config.yml
@@ -89,7 +89,11 @@ defaults:
 
 latest_version: 1.0
 excerpt_separator: ""
-announcement: ""
+announcement: |
+  **[JSON:API v1.1 RC4](/format/1.1/) has been published! 🎉**
+
+  Please review and try out this upcoming version of the spec before its planned
+  release date of **September 30, 2022**.
 
 navigation:
 - title: JSON API
diff --git a/_format/1.1/index.md b/_format/1.1/index.md
@@ -3,6 +3,12 @@ version: 1.1
 status: rc
 ---
 
+> **ATTENTION:** As of August 22, 2022, this release candidate is considered
+> feature complete. It will be released as the next official version of the
+> JSON:API specification on **September 30, 2022** unless any significant
+> changes are required. Please review and try out this release candidate prior
+> to its finalization.
+
 ## <a href="#introduction" id="introduction" class="headerlink"></a> Introduction
 
 JSON:API is a specification for how a client should request that resources be
diff --git a/index.md b/index.md
@@ -117,19 +117,28 @@ specification](/format).
 ## <a href="#extensions" id="extensions" class="headerlink"></a> Extensions
 
 The JSON:API community has created a collection of extensions that APIs can use
-to provide clients with information or functionality beyond that described in the 
+to provide clients with information or functionality beyond that described in the
 base JSON:API specification. These extensions are called profiles.
 
 You can [browse existing profiles](/extensions/#existing-profiles) or
 [create a new one](/extensions/#profile-creation).
 
 ## <a href="#update-history" id="update-history" class="headerlink"></a> Update history
 
+- 2022-09-30: Expected final release of 1.1.
+- 2022-08-22: 1.1 Release candidate 4 released.
+  - Formalized the definition of specification and implementation
+    [semantics](https://jsonapi.org/format/1.1/#semantics).
+  - Refined the definitions of
+    [extensions](https://jsonapi.org/format/1.1/#extensions) and
+    [profiles](https://jsonapi.org/format/1.1/#profiles).
+  - Clarified details regarding expected and allowed responses, query
+    parameters, and more.
 - 2020-10-01: 1.1 Release candidate 3 released.
   - Refined links objects. The link object `params` member was removed to
     better align with other JSON link serializations. The `anchor` target
     attribute was also removed. It may be restored in a future minor release.
-- 2020-08-20: 1.1 Release candidate 2 released. 
+- 2020-08-20: 1.1 Release candidate 2 released.
   - [Extensions](https://jsonapi.org/format/1.1/#extensions) were added and the
     scope of [profiles](https://jsonapi.org/format/1.1/#profiles) were reduced
     since their introduction in RC1.
@@ -144,7 +153,7 @@ You can [browse existing profiles](/extensions/#existing-profiles) or
     client can create a relationship to a resource yet-to-be created by the
     same request.
 - 2018-12-01: 1.1 Release candidate 1 released.
-  - New features include: [profiles](https://jsonapi.org/format/1.1/#profiles), ["@-Members"](https://jsonapi.org/format/1.1/#document-member-names-at-members), and [error object `type` links](https://jsonapi.org/format/1.1/#error-objects). 
+  - New features include: [profiles](https://jsonapi.org/format/1.1/#profiles), ["@-Members"](https://jsonapi.org/format/1.1/#document-member-names-at-members), and [error object `type` links](https://jsonapi.org/format/1.1/#error-objects).
   - There are editorial clarifications around: [query parameters](https://jsonapi.org/format/1.1/#query-parameters) (their parsing/serialization, and reserved parameter names), the appropriate status code for [specific](https://github.com/json-api/json-api/pull/1036) [responses](https://github.com/json-api/json-api/pull/1029), and the [presence of the `included` key](https://github.com/json-api/json-api/pull/1236) even when its value is an empty array.
   - JSON:API switched to [recommending camelCased names](https://jsonapi.org/recommendations/#naming).
 - 2015-05-29: 1.0 final released.
