diff --git a/pom.xml b/pom.xml
index bba023176e..e632c47daa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,14 +24,14 @@
   <inceptionYear>2007</inceptionYear>
 
   <properties>
-    <revision>3.10.2</revision>
+    <revision>3.11.0</revision>
     <changelist>-SNAPSHOT</changelist>
     <jenkins.version>2.121.1</jenkins.version>
     <java.level>8</java.level>
     <no-test-jar>false</no-test-jar>
     <useBeta>true</useBeta>
     <concurrency>1C</concurrency>
-    <scm-api-plugin.version>2.2.6</scm-api-plugin.version>
+    <scm-api-plugin.version>2.6.3</scm-api-plugin.version>
     <jcasc.version>1.24</jcasc.version>
     <maven.checkstyle.plugin.version>3.1.0</maven.checkstyle.plugin.version>
     <maven.checkstyle.version>8.22</maven.checkstyle.version>
diff --git a/src/main/java/jenkins/plugins/git/AbstractGitSCMSource.java b/src/main/java/jenkins/plugins/git/AbstractGitSCMSource.java
index e343c988f4..c4e526e199 100644
--- a/src/main/java/jenkins/plugins/git/AbstractGitSCMSource.java
+++ b/src/main/java/jenkins/plugins/git/AbstractGitSCMSource.java
@@ -786,14 +786,14 @@ public void record(@NonNull SCMHead head, SCMRevision revision, boolean isMatch)
      */
     @CheckForNull
     @Override
-    protected SCMRevision retrieve(@NonNull final String revision, @NonNull final TaskListener listener) throws IOException, InterruptedException {
+    protected SCMRevision retrieve(@NonNull final String revision, @NonNull final TaskListener listener, @CheckForNull Item retrieveContext) throws IOException, InterruptedException {
 
         final GitSCMSourceContext context =
                 new GitSCMSourceContext<>(null, SCMHeadObserver.none()).withTraits(getTraits());
         final GitSCMTelescope telescope = GitSCMTelescope.of(this);
         if (telescope != null) {
             final String remote = getRemote();
-            final StandardUsernameCredentials credentials = getCredentials();
+            final StandardUsernameCredentials credentials = getCredentials(retrieveContext);
             telescope.validate(remote, credentials);
             SCMRevision result = telescope.getRevision(remote, credentials, revision);
             if (result != null) {
@@ -825,7 +825,7 @@ protected SCMRevision retrieve(@NonNull final String revision, @NonNull final Ta
             git.using(tool.getGitExe());
         }
         final GitClient client = git.getClient();
-        client.addDefaultCredentials(getCredentials());
+        client.addDefaultCredentials(getCredentials(retrieveContext));
         listener.getLogger().printf("Attempting to resolve %s from remote references...%n", revision);
         boolean headsOnly = !context.wantOtherRefs() && context.wantBranches();
         boolean tagsOnly = !context.wantOtherRefs() && context.wantTags();
@@ -1016,14 +1016,14 @@ public SCMRevision run(GitClient client, String remoteName) throws IOException,
      */
     @NonNull
     @Override
-    protected Set<String> retrieveRevisions(@NonNull final TaskListener listener) throws IOException, InterruptedException {
+    protected Set<String> retrieveRevisions(@NonNull final TaskListener listener, @CheckForNull Item retrieveContext) throws IOException, InterruptedException {
 
         final GitSCMSourceContext context =
                 new GitSCMSourceContext<>(null, SCMHeadObserver.none()).withTraits(getTraits());
         final GitSCMTelescope telescope = GitSCMTelescope.of(this);
         if (telescope != null) {
             final String remote = getRemote();
-            final StandardUsernameCredentials credentials = getCredentials();
+            final StandardUsernameCredentials credentials = getCredentials(retrieveContext);
             telescope.validate(remote, credentials);
             Set<GitSCMTelescope.ReferenceType> referenceTypes = new HashSet<>();
             if (context.wantBranches()) {
@@ -1048,7 +1048,7 @@ protected Set<String> retrieveRevisions(@NonNull final TaskListener listener) th
             git.using(tool.getGitExe());
         }
         GitClient client = git.getClient();
-        client.addDefaultCredentials(getCredentials());
+        client.addDefaultCredentials(getCredentials(retrieveContext));
         Set<String> revisions = new HashSet<>();
         if (context.wantBranches() || context.wantTags() || context.wantOtherRefs()) {
             listener.getLogger().println("Listing remote references...");
@@ -1237,13 +1237,18 @@ protected static Lock getCacheLock(String cacheEntry) {
 
     @CheckForNull
     protected StandardUsernameCredentials getCredentials() {
+        return getCredentials(getOwner());
+    }
+
+    @CheckForNull
+    private StandardUsernameCredentials getCredentials(@CheckForNull Item context) {
         String credentialsId = getCredentialsId();
         if (credentialsId == null) {
             return null;
         }
         return CredentialsMatchers
                 .firstOrNull(
-                        CredentialsProvider.lookupCredentials(StandardUsernameCredentials.class, getOwner(),
+                        CredentialsProvider.lookupCredentials(StandardUsernameCredentials.class, context,
                                 ACL.SYSTEM, URIRequirementBuilder.fromUri(getRemote()).build()),
                         CredentialsMatchers.allOf(CredentialsMatchers.withId(credentialsId),
                                 GitClient.CREDENTIALS_MATCHER));
diff --git a/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java b/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java
index 1e27a0f79d..aae1097de0 100644
--- a/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java
+++ b/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java
@@ -43,6 +43,7 @@
 import hudson.plugins.git.UserRemoteConfig;
 import hudson.remoting.VirtualChannel;
 import hudson.scm.SCM;
+import hudson.scm.SCMDescriptor;
 import hudson.security.ACL;
 import hudson.util.LogTaskListener;
 import java.io.File;
@@ -61,6 +62,7 @@
 import jenkins.scm.api.SCMHead;
 import jenkins.scm.api.SCMRevision;
 import jenkins.scm.api.SCMSource;
+import jenkins.scm.api.SCMSourceDescriptor;
 import org.apache.commons.lang.StringUtils;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
@@ -279,6 +281,16 @@ public boolean supports(SCMSource source) {
             return source instanceof AbstractGitSCMSource;
         }
 
+        @Override
+        public boolean supportsDescriptor(SCMDescriptor descriptor) {
+            return descriptor instanceof GitSCM.DescriptorImpl;
+        }
+
+        @Override
+        public boolean supportsDescriptor(SCMSourceDescriptor descriptor) {
+            return AbstractGitSCMSource.class.isAssignableFrom(descriptor.clazz);
+        }
+
         @Override
         public SCMFileSystem build(@NonNull Item owner, @NonNull SCM scm, @CheckForNull SCMRevision rev)
                 throws IOException, InterruptedException {
diff --git a/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java b/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java
index 1741553b2c..5c20d4b0a7 100644
--- a/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java
+++ b/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java
@@ -44,6 +44,7 @@
 import jenkins.scm.api.SCMHead;
 import jenkins.scm.api.SCMRevision;
 import jenkins.scm.api.SCMSource;
+import jenkins.scm.api.SCMSourceDescriptor;
 import org.eclipse.jgit.lib.ObjectId;
 import org.jenkinsci.plugins.gitclient.Git;
 import org.jenkinsci.plugins.gitclient.GitClient;
@@ -347,6 +348,13 @@ public void given_filesystem_when_askingChangesSinceNewRevision_then_changesAreP
         assertThat(out.toString(), is(""));
     }
 
+    @Issue("JENKINS-52964")
+    @Test
+    public void filesystem_supports_descriptor() throws Exception {
+        SCMSourceDescriptor descriptor = r.jenkins.getDescriptorByType(GitSCMSource.DescriptorImpl.class);
+        assertTrue(SCMFileSystem.supports(descriptor));
+    }
+
     /** inline ${@link hudson.Functions#isWindows()} to prevent a transient remote classloader issue */
     private boolean isWindows() {
         return java.io.File.pathSeparatorChar==';';
diff --git a/src/test/java/jenkins/plugins/git/GitSCMSourceTest.java b/src/test/java/jenkins/plugins/git/GitSCMSourceTest.java
index e6edb78d43..0a488c4563 100644
--- a/src/test/java/jenkins/plugins/git/GitSCMSourceTest.java
+++ b/src/test/java/jenkins/plugins/git/GitSCMSourceTest.java
@@ -8,6 +8,7 @@
 import hudson.model.TopLevelItem;
 import hudson.plugins.git.GitStatus;
 import hudson.util.LogTaskListener;
+import hudson.scm.SCMDescriptor;
 import java.io.ByteArrayInputStream;
 import java.io.FileNotFoundException;
 import java.io.InputStream;
@@ -31,6 +32,7 @@
 import jenkins.scm.api.SCMRevision;
 import jenkins.scm.api.SCMSource;
 import jenkins.scm.api.SCMSourceCriteria;
+import jenkins.scm.api.SCMSourceDescriptor;
 import jenkins.scm.api.SCMSourceOwner;
 import jenkins.scm.api.metadata.PrimaryInstanceMetadataAction;
 import jenkins.scm.api.trait.SCMSourceTrait;
@@ -340,6 +342,16 @@ public boolean supports(@NonNull String remote) {
             return "http://git.test/telescope.git".equals(remote);
         }
 
+        @Override
+        public boolean supportsDescriptor(SCMDescriptor descriptor) {
+            return false;
+        }
+
+        @Override
+        public boolean supportsDescriptor(SCMSourceDescriptor descriptor) {
+            return false;
+        }
+
         @Override
         public void validate(@NonNull String remote, StandardCredentials credentials)
                 throws IOException, InterruptedException {
diff --git a/src/test/java/jenkins/plugins/git/GitSCMTelescopeTest.java b/src/test/java/jenkins/plugins/git/GitSCMTelescopeTest.java
index f70e97030a..55f82c19b8 100644
--- a/src/test/java/jenkins/plugins/git/GitSCMTelescopeTest.java
+++ b/src/test/java/jenkins/plugins/git/GitSCMTelescopeTest.java
@@ -38,6 +38,7 @@
 import hudson.plugins.git.extensions.GitSCMExtension;
 import hudson.scm.NullSCM;
 import hudson.scm.SCM;
+import hudson.scm.SCMDescriptor;
 import hudson.search.Search;
 import hudson.search.SearchIndex;
 import hudson.security.ACL;
@@ -498,6 +499,16 @@ public boolean supports(String remote) {
             return allowedRemote.equals(remote);
         }
 
+        @Override
+        public boolean supportsDescriptor(SCMDescriptor descriptor) {
+            return false;
+        }
+
+        @Override
+        public boolean supportsDescriptor(SCMSourceDescriptor descriptor) {
+            return false;
+        }
+
         @Override
         public void validate(String remote, StandardCredentials credentials) throws IOException, InterruptedException {
         }