Rewrite changelog for 2.11 deprecation release

CHANGELOG.rst

@@ -6,24 +6,18 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
-Unreleased
-----------
-
-Breaking changes
-~~~~~~~~~~~~~~~~
+`2.11`_ - 2022-08-27
+--------------------
 
-* The frontend is being rewritten as a Vue.js application compeltely separated from
-  the backend. This requires changes to deployments. The admin docs have been updated
-  accordingly. Administrators need to make sure to read the updated guide before
-  upgrading AlekSIS-Core to this version!
+This release sunsets the 2.x series of the AleKSIS core.
 
 Deprecated
 ~~~~~~~~~~
 
 * All frontends using Django views and Django templates are deprecated and support
-  for them will be removed in AlekSIS-Core 4.0. All frontend code must be written in
+  for them will be removed in AlekSIS-Core 3.0. All frontend code must be written in
   Vue.js and be properly separated from the backend. In the same spirit, all backend
-  features must expose GraphQL APIs for the frontendd to use
+  features must expose GraphQL APIs for the frontend to use.
 
 Added
 ~~~~~
@@ -916,3 +910,4 @@ Fixed
 .. _2.10: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/2.10
 .. _2.10.1: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/2.10.1
 .. _2.10.2: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/2.10.2
+.. _2.11: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/2.11

docs/conf.py

@@ -29,9 +29,9 @@ copyright = "2019-2022 The AlekSIS team"
 author = "The AlekSIS Team"
 
 # The short X.Y version
-version = "3.0"
+version = "2.11"
 # The full version, including alpha/beta/rc tags
-release = "3.0.dev2"
+release = "2.11"
 
 
 # -- General configuration ---------------------------------------------------

pyproject.toml

 [tool.poetry]
 name = "AlekSIS-Core"
-version = "3.0.dev2"
+version = "2.11"
 packages = [
     { include = "aleksis" }
 ]