Add v2.2.0 release notes

Docs/manual/toc.yml

@@ -20,6 +20,8 @@
         href: updates/release-notes/v2.1.1.md
       - name: v2.1.2
         href: updates/release-notes/v2.1.2.md
+      - name: v2.2.0
+        href: updates/release-notes/v2.2.0.md
     - name: Upgrade Guides
       items:
       - name: Updating to v2

Docs/manual/updates/release-notes/v2.2.0.md

@@ -0,0 +1,25 @@
+---
+_description: Release notes for Riptide v2.2.0.
+---
+
+# v2.2.0 Release Notes
+
+Install this version with Unity's Package Manager using the following URL ([step-by-step instructions](~/manual/overview/installation.md#option-1-unity-package-manager)):
+```plaintext
+https://github.com/RiptideNetworking/Riptide.git?path=/Packages/Core#2.2.0
+```
+
+It can also be installed a number of [other ways](~/manual/overview/installation.md#net-projects) for use outside of Unity, including as a [NuGet package](https://www.nuget.org/packages/RiptideNetworking.Riptide).
+
+For a full list of source code changes, check out the [version comparison](https://github.com/RiptideNetworking/Riptide/compare/v2.1.2...v2.2.0) on GitHub.
+
+## Additions
+
+- Added overloads to all Get methods that auto read array lengths ([#127](https://github.com/RiptideNetworking/Riptide/issues/127)).
+- Added overload to <code><xref:Riptide.Message.AddBytes*></code> with optinal startIndex & amount parameters ([#128](https://github.com/RiptideNetworking/Riptide/issues/128)).
+
+## Fixes
+
+- Fixed <code><xref:Riptide.Message.AddShorts*></code> & <code><xref:Riptide.Message.AddUShorts*></code> not writing bits correctly ([#124](https://github.com/RiptideNetworking/Riptide/issues/124)).
+- Fixed redundant sequence IDs being included in reliable acks ([PR #130](https://github.com/RiptideNetworking/Riptide/pull/130)).
+- Fixed message retaining residual data when further data was added to a message after being received.