prepare release 1.5.20

Signed-off-by: ceki <[email protected]>

Author: ceki

logback-access/pom.xml

@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.20-SNAPSHOT</version>
+    <version>1.5.20</version>
   </parent>
 
   <artifactId>logback-access</artifactId>

logback-classic-blackbox/pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.20-SNAPSHOT</version>
+        <version>1.5.20</version>
     </parent>
 
     <artifactId>logback-classic-blackbox</artifactId>

logback-classic/pom.xml

@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.20-SNAPSHOT</version>
+    <version>1.5.20</version>
   </parent>
 
   <artifactId>logback-classic</artifactId>

logback-core-blackbox/pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.20-SNAPSHOT</version>
+        <version>1.5.20</version>
     </parent>
 
     <artifactId>logback-core-blackbox</artifactId>

logback-core/pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.20-SNAPSHOT</version>
+        <version>1.5.20</version>
     </parent>
 
     <artifactId>logback-core</artifactId>

logback-examples/pom.xml

@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.20-SNAPSHOT</version>
+    <version>1.5.20</version>
   </parent>
 
   <artifactId>logback-examples</artifactId>

pom.xml

@@ -8,7 +8,7 @@
 
   <groupId>ch.qos.logback</groupId>
   <artifactId>logback-parent</artifactId>
-  <version>1.5.20-SNAPSHOT</version>
+  <version>1.5.20</version>
   <packaging>pom</packaging>
 
   <name>Logback-Parent</name>
@@ -50,7 +50,7 @@
 
   <properties>
     <!-- yyyy-MM-dd'T'HH:mm:ss'Z' -->
-    <project.build.outputTimestamp>2025-10-01T09:35:18Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2025-10-18T20:53:00Z</project.build.outputTimestamp>
 
     <!-- minimal JDK version at runtime -->
     <jdk.version>11</jdk.version>