diff --git a/lib/pom.xml b/lib/pom.xml
index 246abc557..02373e438 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -50,7 +50,7 @@
         <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>exec-maven-plugin</artifactId>
-            <version>3.1.0</version>
+            <version>3.1.1</version>
             <executions>
                 <execution>
                     <phase>generate-sources</phase>
diff --git a/plugin/pom.xml b/plugin/pom.xml
index ae5a4ebd7..54d8890b1 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -54,6 +54,12 @@
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>
+            <!-- TODO until in BOM: -->
+            <dependency>
+              <groupId>org.jenkins-ci.plugins</groupId>
+              <artifactId>support-core</artifactId>
+              <version>1366.v9d076592655d</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
     <dependencies>
@@ -253,7 +259,7 @@
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>testcontainers</artifactId>
-            <version>1.19.0</version>
+            <version>1.19.3</version>
             <scope>test</scope>
             <exclusions>
                 <!-- Provided by Jenkins core -->
diff --git a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecution.java b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecution.java
index ded38b7b0..683eecdf9 100644
--- a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecution.java
+++ b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecution.java
@@ -2020,6 +2020,10 @@ public void autopersist(@NonNull FlowNode n) throws IOException {
             return "Timing data about recently completed Pipeline builds";
         }
 
+        @Override public ComponentCategory getCategory() {
+            return ComponentCategory.BUILDS;
+        }
+
         @Override public void addContents(Container container) {
             container.add(new Content("nodes/master/pipeline-timings.txt") {
                 @Override public void writeTo(OutputStream outputStream) throws IOException {
@@ -2067,6 +2071,10 @@ public void autopersist(@NonNull FlowNode n) throws IOException {
             return "List of internal API calls made by Pipeline builds (typically from trusted libraries)";
         }
 
+        @Override public ComponentCategory getCategory() {
+            return ComponentCategory.BUILDS;
+        }
+
         @Override public void addContents(Container container) {
             container.add(new Content("nodes/master/pipeline-internal-calls.txt") {
                 @Override public void writeTo(OutputStream outputStream) throws IOException {
diff --git a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsScmFlowDefinition.java b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsScmFlowDefinition.java
index 24cc23a43..d10f3a880 100644
--- a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsScmFlowDefinition.java
+++ b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsScmFlowDefinition.java
@@ -46,6 +46,7 @@
 import java.io.IOException;
 import java.io.InterruptedIOException;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import jenkins.model.Jenkins;
 import jenkins.scm.api.SCMFileSystem;
@@ -85,6 +86,11 @@ public SCM getScm() {
         return scm;
     }
 
+    @Override
+    public Collection<? extends SCM> getSCMs() {
+       return Collections.singletonList(scm);
+    }
+
     public String getScriptPath() {
         return scriptPath;
     }
diff --git a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsThreadDumpAction.java b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsThreadDumpAction.java
index 8fdf86ad3..835f271de 100644
--- a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsThreadDumpAction.java
+++ b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/CpsThreadDumpAction.java
@@ -102,6 +102,10 @@ public CpsThreadDump getThreadDump() {
             return "Thread dumps of running Pipeline builds";
         }
 
+        @Override public ComponentCategory getCategory() {
+            return ComponentCategory.BUILDS;
+        }
+
         @Override public void addContents(Container container) {
             container.add(new Content("nodes/master/pipeline-thread-dump.txt") {
                 @Override public void writeTo(OutputStream outputStream) throws IOException {
diff --git a/plugin/src/main/js/workflow-editor.js b/plugin/src/main/js/workflow-editor.js
index 81da7098c..486d6b0d3 100644
--- a/plugin/src/main/js/workflow-editor.js
+++ b/plugin/src/main/js/workflow-editor.js
@@ -54,7 +54,7 @@ $(function() {
                         setTheme(editor);
 
                         if (window.isSystemRespectingTheme) {
-                            window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', event => {
+                            window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {
                                 setTheme(editor)
                             });
                         }
diff --git a/plugin/src/main/resources/org/jenkinsci/plugins/workflow/cps/Snippetizer/handle-prototype.js b/plugin/src/main/resources/org/jenkinsci/plugins/workflow/cps/Snippetizer/handle-prototype.js
new file mode 100644
index 000000000..533aef6e0
--- /dev/null
+++ b/plugin/src/main/resources/org/jenkinsci/plugins/workflow/cps/Snippetizer/handle-prototype.js
@@ -0,0 +1,46 @@
+function handlePrototype(url, crumb) {
+    buildFormTree(document.forms.config);
+    // TODO JSON.stringify fails in some circumstances: https://gist.github.com/jglick/70ec4b15c1f628fdf2e9 due to Array.prototype.toJSON
+    // TODO simplify when Prototype.js is removed
+    const json = Object.toJSON ? Object.toJSON(JSON.parse(document.forms.config.elements.json.value).prototype) : JSON.stringify(JSON.parse(document.forms.config.elements.json.value).prototype);
+    if (!json) {
+        return; // just a separator
+    }
+
+    const headers = new Headers();
+    headers.append("Content-Type", "application/x-www-form-urlencoded");
+    headers.append("Jenkins-Crumb", crumb);
+
+    fetch(url, {
+        method: "POST",
+        headers: headers,
+        body: "json=" + encodeURIComponent(json),
+
+    })
+        .then(response => {
+            if (response.ok) {
+                response.text().then((responseText) => {
+                    document.getElementById('prototypeText').value = responseText;
+                    copybutton = document.querySelector('.jenkins-copy-button');
+                    copybutton.setAttribute("text", responseText);
+                    copybutton.classList.remove('jenkins-hidden');
+                });
+            }
+        })
+        .catch(error => {
+            console.error('Fetch error:', error);
+        });
+}
+
+
+document.addEventListener('DOMContentLoaded', () => {
+
+    const generatePipelineScript = document.getElementById("generatePipelineScript");
+    const url = generatePipelineScript.getAttribute("data-url");
+    const crumb = generatePipelineScript.getAttribute("data-crumb");
+    generatePipelineScript.onclick = (_) => {
+        handlePrototype(url, crumb);
+        return false;
+    };
+
+});
\ No newline at end of file
diff --git a/plugin/src/main/resources/org/jenkinsci/plugins/workflow/cps/Snippetizer/index.jelly b/plugin/src/main/resources/org/jenkinsci/plugins/workflow/cps/Snippetizer/index.jelly
index 05281e3f8..eeb02d9bd 100644
--- a/plugin/src/main/resources/org/jenkinsci/plugins/workflow/cps/Snippetizer/index.jelly
+++ b/plugin/src/main/resources/org/jenkinsci/plugins/workflow/cps/Snippetizer/index.jelly
@@ -67,40 +67,14 @@ THE SOFTWARE.
                     <f:dropdownListBlock title="${%— Advanced/Deprecated —}"/>
                     <local:listSteps quasiDescriptors="${it.getQuasiDescriptors(true)}"/>
                 </f:dropdownList>
-                <j:set var="id" value="${h.generateId()}"/>
                 <f:block>
-                    <input type="button" value="${%Generate Pipeline Script}" onclick="handlePrototype_${id}(); return false" class="submit-button primary"/>
-                    <f:textarea id="prototypeText_${id}" readonly="true" style="margin-top: 10px; margin-bottom: 5px" />
-                    <l:copyButton text="" clazz="jenkins-hidden"/>
-                    <script>
-                        function handlePrototype_${id}() {
-                            buildFormTree(document.forms.config);
-                            // TODO JSON.stringify fails in some circumstances: https://gist.github.com/jglick/70ec4b15c1f628fdf2e9 due to Array.prototype.toJSON
-                            // TODO simplify when Prototype.js is removed
-                            var json = Object.toJSON ? Object.toJSON(JSON.parse(document.forms.config.elements.json.value).prototype) : JSON.stringify(JSON.parse(document.forms.config.elements.json.value).prototype);
-                            if (!json) {
-                                return; // just a separator
-                            }
-                            fetch('${rootURL}/${it.GENERATE_URL}', {
-                                method: 'post',
-                                headers: crumb.wrap({
-                                    "Content-Type": "application/x-www-form-urlencoded",
-                                }),
-                                body: new URLSearchParams({
-                                    json: json,
-                                }),
-                            }).then((rsp) => {
-                                if (rsp.ok) {
-                                    rsp.text().then((responseText) => {
-                                        document.getElementById('prototypeText_${id}').value = responseText;
-                                        copybutton = document.querySelector('.jenkins-copy-button');
-                                        copybutton.setAttribute("text", r.responseText);
-                                        copybutton.classList.remove('jenkins-hidden');
-                                    });
-                                }
-                            });
-                        }
-                    </script>
+                    <input type="button" id="generatePipelineScript" value="${%Generate Pipeline Script}"
+                           class="submit-button primary"
+                           data-url="${rootURL}/${it.GENERATE_URL}"
+                           data-crumb="${h.getCrumb(request)}"/>
+                    <f:textarea id="prototypeText" readonly="true" style="margin-top: 10px"/>
+                    <l:copyButton text="" clazz="jenkins-hidden jenkins-!-margin-top-1"/>
+                    <st:adjunct includes="org.jenkinsci.plugins.workflow.cps.Snippetizer.handle-prototype"/>
                 </f:block>
                 <f:section title="${%Global Variables}"/>
                 <f:block>
diff --git a/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecutionTest.java b/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecutionTest.java
index 5bf8be4af..325ec7d83 100644
--- a/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecutionTest.java
+++ b/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/CpsFlowExecutionTest.java
@@ -703,6 +703,26 @@ public boolean isAllowed(String groovyResourceUrl) {
         }
     }
 
+    @Test public void evaluateAfterRestart() throws Throwable {
+        sessions.then(r -> {
+            WorkflowJob p = r.createProject(WorkflowJob.class, "p");
+            p.setDefinition(new CpsFlowDefinition(
+                "def x = evaluate('class X {X() {}; def m1() {/OK/}}; new X()')\n" +
+                "def y = evaluate('class Y {X x; def m2() {/really ${x.m1()}/}}; new Y()')\n" +
+                "semaphore('wait')\n" +
+                "y.x = x\n" +
+                "echo(/received ${y.m2()}/)\n", true));
+            WorkflowRun b = p.scheduleBuild2(0).waitForStart();
+            SemaphoreStep.waitForStart("wait/1", b);
+        });
+        sessions.then(r -> {
+            WorkflowJob p = r.jenkins.getItemByFullName("p", WorkflowJob.class);
+            WorkflowRun b = p.getLastBuild();
+            SemaphoreStep.success("wait/1", null);
+            r.assertLogContains("received really OK", r.assertBuildStatus(Result.SUCCESS, r.waitForCompletion(b)));
+        });
+    }
+
     @Issue({ "JENKINS-45327", "JENKINS-68849" })
     @Test public void envActionImplPickle() throws Throwable {
         sessions.then(r -> {
diff --git a/pom.xml b/pom.xml
index a81243eaa..a071fbe64 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.74</version>
+        <version>4.75</version>
         <relativePath/>
     </parent>
     <groupId>org.jenkins-ci.plugins.workflow</groupId>