diff --git a/logback-classic-blackbox/pom.xml b/logback-classic-blackbox/pom.xml
index 4945fec4c2..41f77a6ada 100644
--- a/logback-classic-blackbox/pom.xml
+++ b/logback-classic-blackbox/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.4-SNAPSHOT</version>
+        <version>1.5.4</version>
     </parent>
 
     <artifactId>logback-classic-blackbox</artifactId>
diff --git a/logback-classic-blackbox/src/test/java/ch/qos/logback/classic/blackbox/boolex/BlackboxJaninoEventEvaluatorTest.java b/logback-classic-blackbox/src/test/java/ch/qos/logback/classic/blackbox/boolex/BlackboxJaninoEventEvaluatorTest.java
index bf31305a31..8e32fcb42a 100644
--- a/logback-classic-blackbox/src/test/java/ch/qos/logback/classic/blackbox/boolex/BlackboxJaninoEventEvaluatorTest.java
+++ b/logback-classic-blackbox/src/test/java/ch/qos/logback/classic/blackbox/boolex/BlackboxJaninoEventEvaluatorTest.java
@@ -14,6 +14,7 @@
 package ch.qos.logback.classic.blackbox.boolex;
 
 import java.io.IOException;
+import java.util.List;
 
 import ch.qos.logback.classic.boolex.JaninoEventEvaluator;
 import ch.qos.logback.classic.util.LogbackMDCAdapter;
@@ -21,6 +22,7 @@
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.slf4j.MDC;
+import org.slf4j.Marker;
 import org.slf4j.MarkerFactory;
 
 import ch.qos.logback.classic.Level;
@@ -121,10 +123,22 @@ public void mdcAsString() throws Exception {
         logbackMDCAdapter.remove(k);
     }
 
-    @Disabled
+    @Test
+    public void markerList() throws Exception {
+
+        jee.setExpression("markerList.contains(\"BLUE\")");
+        jee.start();
+
+        LoggingEvent event = makeLoggingEvent(null);
+        event.addMarker(MarkerFactory.getMarker("BLUE"));
+        StatusPrinter.print(loggerContext);
+        assertTrue(jee.evaluate(event));
+    }
+
     @Test
     public void marker() throws Exception {
-        jee.setExpression("markerList.stream().anyMatch( m -> m.contains(\"BLUE\"))");
+
+        jee.setExpression("marker.contains(\"BLUE\")");
         jee.start();
 
         LoggingEvent event = makeLoggingEvent(null);
@@ -133,10 +147,10 @@ public void marker() throws Exception {
         assertTrue(jee.evaluate(event));
     }
 
-    @Disabled
+    // LBCORE_118
     @Test
-    public void withNullMarker_LBCORE_118() throws Exception {
-        jee.setExpression("markerList.contains(\"BLUE\")");
+    public void withNullMarker_LOGBACK_63() throws Exception {
+        jee.setExpression("marker.contains(\"BLUE\")");
         jee.start();
 
         ILoggingEvent event = makeLoggingEvent(null);
diff --git a/logback-classic/pom.xml b/logback-classic/pom.xml
index 93ba3bca8a..6866d4289f 100755
--- a/logback-classic/pom.xml
+++ b/logback-classic/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.4-SNAPSHOT</version>
+    <version>1.5.4</version>
   </parent>
 
   <artifactId>logback-classic</artifactId>
diff --git a/logback-classic/src/main/java/ch/qos/logback/classic/boolex/JaninoEventEvaluator.java b/logback-classic/src/main/java/ch/qos/logback/classic/boolex/JaninoEventEvaluator.java
index 77cfa3acb1..d5055c2ebe 100644
--- a/logback-classic/src/main/java/ch/qos/logback/classic/boolex/JaninoEventEvaluator.java
+++ b/logback-classic/src/main/java/ch/qos/logback/classic/boolex/JaninoEventEvaluator.java
@@ -25,6 +25,7 @@
 import ch.qos.logback.core.CoreConstants;
 import ch.qos.logback.core.boolex.JaninoEventEvaluatorBase;
 import ch.qos.logback.core.boolex.Matcher;
+import org.slf4j.Marker;
 
 public class JaninoEventEvaluator extends JaninoEventEvaluatorBase<ILoggingEvent> {
 
@@ -47,7 +48,8 @@ public class JaninoEventEvaluator extends JaninoEventEvaluatorBase<ILoggingEvent
         DEFAULT_PARAM_NAME_LIST.add("loggerContext");
         DEFAULT_PARAM_NAME_LIST.add("level");
         DEFAULT_PARAM_NAME_LIST.add("timeStamp");
-        // DEFAULT_PARAM_NAME_LIST.add("markerList");
+        DEFAULT_PARAM_NAME_LIST.add("marker");
+        DEFAULT_PARAM_NAME_LIST.add("markerList");
         DEFAULT_PARAM_NAME_LIST.add("mdc");
         DEFAULT_PARAM_NAME_LIST.add("throwableProxy");
         DEFAULT_PARAM_NAME_LIST.add("throwable");
@@ -64,7 +66,8 @@ public class JaninoEventEvaluator extends JaninoEventEvaluatorBase<ILoggingEvent
         DEFAULT_PARAM_TYPE_LIST.add(LoggerContextVO.class);
         DEFAULT_PARAM_TYPE_LIST.add(int.class);
         DEFAULT_PARAM_TYPE_LIST.add(long.class);
-        // DEFAULT_PARAM_TYPE_LIST.add(List.class);
+        DEFAULT_PARAM_TYPE_LIST.add(Marker.class);
+        DEFAULT_PARAM_TYPE_LIST.add(MarkerList.class);
         DEFAULT_PARAM_TYPE_LIST.add(Map.class);
         DEFAULT_PARAM_TYPE_LIST.add(IThrowableProxy.class);
         DEFAULT_PARAM_TYPE_LIST.add(Throwable.class);
@@ -123,7 +126,12 @@ protected Object[] getParameterValues(ILoggingEvent loggingEvent) {
 //        // In order to avoid NullPointerException, we could push a dummy marker if
 //        // the event's marker is null. However, this would surprise user who
 //        // expect to see a null marker instead of a dummy one.
-//        values[i++] = loggingEvent.getMarkerList();
+
+        MarkerList markerList = new MarkerList(loggingEvent.getMarkerList());
+        Marker marker = markerList.getFirstMarker();
+        values[i++] = marker;
+        values[i++] = markerList;
+
         values[i++] = loggingEvent.getMDCPropertyMap();
 
         IThrowableProxy iThrowableProxy = loggingEvent.getThrowableProxy();
@@ -146,5 +154,4 @@ protected Object[] getParameterValues(ILoggingEvent loggingEvent) {
 
         return values;
     }
-
 }
diff --git a/logback-classic/src/main/java/ch/qos/logback/classic/boolex/MarkerList.java b/logback-classic/src/main/java/ch/qos/logback/classic/boolex/MarkerList.java
new file mode 100644
index 0000000000..c139b61275
--- /dev/null
+++ b/logback-classic/src/main/java/ch/qos/logback/classic/boolex/MarkerList.java
@@ -0,0 +1,64 @@
+/*
+ * Logback: the reliable, generic, fast and flexible logging framework.
+ * Copyright (C) 1999-2024, QOS.ch. All rights reserved.
+ *
+ * This program and the accompanying materials are dual-licensed under
+ * either the terms of the Eclipse Public License v1.0 as published by
+ * the Eclipse Foundation
+ *
+ *   or (per the licensee's choosing)
+ *
+ * under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation.
+ */
+
+package ch.qos.logback.classic.boolex;
+
+import org.slf4j.Marker;
+
+import java.util.List;
+
+/**
+ * A helper class to be used in conjunction with {@link ch.qos.logback.classic.boolex.JaninoEventEvaluator}
+ *
+ * @since 1.5.4
+ */
+public class MarkerList {
+
+    List<Marker> markers;
+
+    public MarkerList(List<Marker> markers) {
+        this.markers = markers;
+    }
+
+    /**
+     * Check whether this list contains a given marker.
+     *
+     * @param markerName
+     * @return
+     */
+    public boolean contains(String markerName) {
+        if(markerName == null || markerName.trim().length() == 0)
+            return false;
+
+        if(markers == null || markers.isEmpty())
+            return false;
+
+        final boolean result = markers.stream().anyMatch( m -> m.contains(markerName));
+        return  result;
+    }
+
+    /**
+     * Return the first marker on the list, can be null.
+     *
+     *
+     * @return the first marker on the list, can be null
+     */
+    public Marker getFirstMarker() {
+        if(markers == null || markers.isEmpty()) {
+            return null;
+        } else {
+            return markers.get(0);
+        }
+    }
+}
diff --git a/logback-core-blackbox/pom.xml b/logback-core-blackbox/pom.xml
index e65c29735b..75eb0a7896 100644
--- a/logback-core-blackbox/pom.xml
+++ b/logback-core-blackbox/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.4-SNAPSHOT</version>
+        <version>1.5.4</version>
     </parent>
 
     <artifactId>logback-core-blackbox</artifactId>
diff --git a/logback-core/pom.xml b/logback-core/pom.xml
index 22eb539f74..8816596141 100755
--- a/logback-core/pom.xml
+++ b/logback-core/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-parent</artifactId>
-        <version>1.5.4-SNAPSHOT</version>
+        <version>1.5.4</version>
     </parent>
 
     <artifactId>logback-core</artifactId>
diff --git a/logback-examples/pom.xml b/logback-examples/pom.xml
index 8bdac8edf1..ab6a8b1388 100755
--- a/logback-examples/pom.xml
+++ b/logback-examples/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-parent</artifactId>
-    <version>1.5.4-SNAPSHOT</version>
+    <version>1.5.4</version>
   </parent>
 
   <artifactId>logback-examples</artifactId>
diff --git a/pom.xml b/pom.xml
index 3d384bb2f2..fd2451bae4 100755
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
   <groupId>ch.qos.logback</groupId>
   <artifactId>logback-parent</artifactId>
-  <version>1.5.4-SNAPSHOT</version>
+  <version>1.5.4</version>
   <packaging>pom</packaging>
 
   <name>Logback-Parent</name>
@@ -48,7 +48,7 @@
 
   <properties>
     <!-- yyyy-MM-dd'T'HH:mm:ss'Z' -->
-    <project.build.outputTimestamp>2024-03-07T10:52:46Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2024-04-09T07:33:00Z</project.build.outputTimestamp>
 
     <!-- minimal JDK version at runtime -->
     <jdk.version>11</jdk.version>
@@ -93,7 +93,7 @@
     <maven-resources-plugin.version>3.1.0</maven-resources-plugin.version>
     <license-maven-plugin.version>3.0</license-maven-plugin.version>
     <maven-jar-plugin.version>3.2.2</maven-jar-plugin.version>
-    <maven-jxr-plugin.version>3.1.1</maven-jxr-plugin.version>
+    <maven-jxr-plugin.version>3.3.2</maven-jxr-plugin.version>
     <maven-release-plugin.version>3.0.0-M4</maven-release-plugin.version>
     <maven-deploy-plugin.version>3.0.0-M1</maven-deploy-plugin.version>
     <maven-dependency-plugin.version>3.2.0</maven-dependency-plugin.version>