diff --git a/diylc/diylc-library/lib/diylc-core.jar b/diylc/diylc-library/lib/diylc-core.jar
index 584582bc6..bfb57687d 100644
Binary files a/diylc/diylc-library/lib/diylc-core.jar and b/diylc/diylc-library/lib/diylc-core.jar differ
diff --git a/diylc/diylc-swing/build.xml b/diylc/diylc-swing/build.xml
index fd69d3e9b..d08397a8e 100644
--- a/diylc/diylc-swing/build.xml
+++ b/diylc/diylc-swing/build.xml
@@ -10,7 +10,7 @@
 	<property name="jar.dir" value="${build.dir}/jar" />
 	<property name="report.dir" value="${build.dir}/junitreport" />
 	<property name="main.class" value="org.diylc.DIYLCStarter" />
-	<property name="diylc.version" value="4.21.3" />
+	<property name="diylc.version" value="4.21.4" />
 	
 	<property name="osx.jre8.path" value="jre\osx\jdk8u275-b01-jre\Contents\Home\" />
 
diff --git a/diylc/diylc-swing/flatpak/com.diy_fever.DIYLayoutCreator.metainfo.xml b/diylc/diylc-swing/flatpak/com.diy_fever.DIYLayoutCreator.metainfo.xml
index bb7aad92a..e904ca79e 100644
--- a/diylc/diylc-swing/flatpak/com.diy_fever.DIYLayoutCreator.metainfo.xml
+++ b/diylc/diylc-swing/flatpak/com.diy_fever.DIYLayoutCreator.metainfo.xml
@@ -37,6 +37,15 @@
   <update_contact>nbenitezl_AT_gmail.com</update_contact>
   <content_rating type="oars-1.1"/>
   <releases>
+  	  <release version="4.21.4" date="2022-02-27">
+         <description>
+           <ul>
+             <li>[Bug Fix] Fixed the issue with stereo phono jack rendering issues when rotated</li>
+             <li>[Improvement] Improved precision of zooming in and out when nothing is selected</li>
+           </ul>
+         </description>
+         <url>https://github.com/bancika/diy-layout-creator/releases/tag/v4.21.4</url>
+     </release>
      <release version="4.21.3" date="2022-02-22">
          <description>
            <ul>
diff --git a/diylc/diylc-swing/lib/diylc-core.jar b/diylc/diylc-swing/lib/diylc-core.jar
index 584582bc6..bfb57687d 100644
Binary files a/diylc/diylc-swing/lib/diylc-core.jar and b/diylc/diylc-swing/lib/diylc-core.jar differ
diff --git a/diylc/diylc-swing/library/main.jar b/diylc/diylc-swing/library/main.jar
index 22158222c..986f8ce35 100644
Binary files a/diylc/diylc-swing/library/main.jar and b/diylc/diylc-swing/library/main.jar differ