diff --git a/diylc/diylc-core/src/org/diylc/presenter/update.xml b/diylc/diylc-core/src/org/diylc/presenter/update.xml
index 123e4a80..d8381726 100644
--- a/diylc/diylc-core/src/org/diylc/presenter/update.xml
+++ b/diylc/diylc-core/src/org/diylc/presenter/update.xml
@@ -3757,5 +3757,25 @@
 			</changes>
 			<url>https://github.com/bancika/diy-layout-creator/releases</url>
 		</org.diylc.appframework.update.Version>
+		<org.diylc.appframework.update.Version>
+			<versionNumber>
+				<major>4</major>
+				<minor>22</minor>
+				<build>1</build>
+			</versionNumber>
+			<releaseDate>2022-03-03 00:00:00.000 CET</releaseDate>
+			<name></name>
+			<changes>			
+				<org.diylc.appframework.update.Change>
+					<changeType>BUG_FIX</changeType>
+					<description>Fixed backwards compatibility issue with older files failing to open because of an issue with 'Tape Measure' component serialization</description>
+				</org.diylc.appframework.update.Change>
+				<org.diylc.appframework.update.Change>
+					<changeType>BUG_FIX</changeType>
+					<description>Fixed display issue with Trace layer showing up as Wiring in the menu</description>
+				</org.diylc.appframework.update.Change>
+			</changes>
+			<url>https://github.com/bancika/diy-layout-creator/releases</url>
+		</org.diylc.appframework.update.Version>
 	</a>
 </java.util.Arrays_-ArrayList>
diff --git a/diylc/diylc-library/lib/diylc-core.jar b/diylc/diylc-library/lib/diylc-core.jar
index 69aca455..eaf5ff75 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-library/src/org/diylc/components/shapes/TapeMeasure.java b/diylc/diylc-library/src/org/diylc/components/shapes/TapeMeasure.java
index 78a51387..28df53b6 100644
--- a/diylc/diylc-library/src/org/diylc/components/shapes/TapeMeasure.java
+++ b/diylc/diylc-library/src/org/diylc/components/shapes/TapeMeasure.java
@@ -65,8 +65,7 @@ public class TapeMeasure extends AbstractLeadedComponent<String> {
   protected LineStyle style = LineStyle.SOLID; 
   private Size thickness = new Size(1d, SizeUnit.px);
   private Size arrowSize = new Size(5d, SizeUnit.px);
-  private Polygon arrow = null;  
-  private AffineTransform arrowTx = new AffineTransform();
+  private transient Polygon arrow = null;
   private boolean arrowStart = true;
   private boolean arrowEnd = true;
   private SizeUnit unit = SizeUnit.mm;
@@ -116,6 +115,7 @@ public class TapeMeasure extends AbstractLeadedComponent<String> {
     Point2D startPoint = new Point2D.Double(first.getX(), first.getY());
     Point2D endPoint = new Point2D.Double(second.getX(), second.getY());
     
+    AffineTransform arrowTx = new AffineTransform();
     if (arrowStart) {
       arrowTx.setToIdentity();
       double angle = Math.atan2(getControlPoint(1).getY() - getControlPoint(0).getY(), getControlPoint(1).getX() - getControlPoint(0).getX());
@@ -155,8 +155,6 @@ public class TapeMeasure extends AbstractLeadedComponent<String> {
     int y = -metrics.getHeight() / 2 + metrics.getAscent();
     
     int legLength = (int) (getPoints()[0].distance(getPoints()[1]) - strWidth) / 2 - 6;
-    
-    System.out.println(strWidth + " " + legLength);
         
     // draw legs around the enter text
     g2d.drawLine((int)startPoint.getX(), (int)startPoint.getY(), 
diff --git a/diylc/diylc-swing/dict.txt b/diylc/diylc-swing/dict.txt
index 9d7a1bf2..c454aeca 100644
--- a/diylc/diylc-swing/dict.txt
+++ b/diylc/diylc-swing/dict.txt
@@ -26,6 +26,7 @@ A-O-I     REGULATOR
 AWG
 And
 C-B-E     BJT
+CP1
 Check Trace Proximity
 D-G-S     JFET
 D-G-S     MOSFET
@@ -77,6 +78,7 @@ PCB
 PNP
 Panel
 Português
+RECTC1
 Rev log
 S-G-D     JFET
 S-G-D     MOSFET
@@ -85,6 +87,7 @@ SPDT
 SPDT  (Center OFF)
 SPST
 Srpski
+TM2
 Tick Width
 Ticks
 Wiring
diff --git a/diylc/diylc-swing/lib/diylc-core.jar b/diylc/diylc-swing/lib/diylc-core.jar
index 69aca455..eaf5ff75 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 dea3d3c7..3e2e31c8 100644
Binary files a/diylc/diylc-swing/library/main.jar and b/diylc/diylc-swing/library/main.jar differ