Update changelog

CHANGELOG.md

@@ -1,7 +1,18 @@
 # Change Log
 All notable changes to this project (beginning with version 1.7) will be documented in this file.
 
-## [Unreleased](https://github.com/PintaProject/Pinta/compare/2.1.1...HEAD)
+## [Unreleased](https://github.com/PintaProject/Pinta/compare/2.1.2...HEAD)
+
+Thanks to the following contributors who worked on this release:
+- @cameronwhite
+
+### Added
+
+### Changed
+
+### Fixed
+
+## [2.1.2](https://github.com/PintaProject/Pinta/releases/tag/2.1.2) - 2024/04/20
 
 Thanks to the following contributors who worked on this release:
 - @cameronwhite

xdg/pinta.appdata.xml.in

@@ -38,6 +38,21 @@
     <binary>pinta</binary>
   </provides>
   <releases>
+    <release version="2.1.2" date="2024-04-20">
+      <url>https://github.com/PintaProject/Pinta/releases/tag/2.1.2</url>
+      <description>
+        <p>Changes</p>
+        <ul>
+          <li>Support building against .NET 8 (replacing .NET 7) in addition to .NET 6</li>
+        </ul>
+        <p>Bug Fixes</p>
+        <ul>
+            <li>Fixed AppStream validation errors in `xdg/pinta.appdata.xml`</li>
+            <li>Fixed issues where the system language settings on macOS did not properly take effect in Pinta (#1976178)</li>
+            <li>Fixed issues on macOS with loading webp images (#770)</li>
+        </ul>
+      </description>
+    </release>
     <release version="2.1.1" date="2023-02-26">
       <url>https://github.com/PintaProject/Pinta/releases/tag/2.1.1</url>
       <description>