diff --git a/.github/workflows/muelu-sync.yml b/.github/workflows/muelu-sync.yml
new file mode 100644
index 000000000000..39ab84bc155e
--- /dev/null
+++ b/.github/workflows/muelu-sync.yml
@@ -0,0 +1,32 @@
+#
+# Workflow that mirrors master and develop from the main Trilinos repo
+# to the MueLu fork.
+#
+name: MueLu Sync
+
+on:
+  schedule: 
+  - cron: "0 * * * *"
+  workflow_dispatch:
+
+jobs:
+  repo-sync:
+    runs-on: ubuntu-latest
+    steps: 
+    - uses: actions/checkout@v2
+      with:
+        persist-credentials: false
+    - name: repo-sync-master
+      uses: repo-sync/github-sync@v2.3.0
+      with:
+        source_repo: https://github.com/trilinos/Trilinos.git
+        source_branch: master
+        destination_branch: master
+        github_token: ${{ secrets.MUELU_SYNC_TOKEN }}
+    - name: repo-sync-develop
+      uses: repo-sync/github-sync@v2.3.0
+      with:
+        source_repo: https://github.com/trilinos/Trilinos.git
+        source_branch: develop
+        destination_branch: develop
+        github_token: ${{ secrets.MUELU_SYNC_TOKEN }}
diff --git a/.github/workflows/muelu_clang_format.yml b/.github/workflows/muelu_clang_format.yml
index fc4ef5e00c34..6dadbafbb25d 100644
--- a/.github/workflows/muelu_clang_format.yml
+++ b/.github/workflows/muelu_clang_format.yml
@@ -17,11 +17,26 @@ jobs:
         inplace: true
     - run: git diff HEAD > format_patch.txt
     - run: if [ "$(cat format_patch.txt)" == "" ] ; then rm format_patch.txt ; fi
-    - uses: actions/upload-artifact@v3
+
+    - uses: actions/upload-artifact@v4
+      id: upload-artf
       if: ${{ hashFiles('format_patch.txt') != '' }}
       with:
         name: MueLu format patch
         path: format_patch.txt
+        
+    - name: Artifact ID test
+      run: |
+        echo "Artifact ID is ${{ steps.upload-artf.outputs.artifact-id }}"
+        echo "Link: https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID/artifacts/${{ steps.upload-artf.outputs.artifact-id }}"
+        
+    - name: Post artifact in issue comment
+      uses: mshick/add-pr-comment@v2.8.1
+      if: ${{ hashFiles('format_patch.txt') != '' }}          
+      with:
+        message: |
+          Your PR updated files in MueLu, but does not respect the Clang Formatting.  Please apply the patch found [here](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}/artifacts/${{ steps.upload-artf.outputs.artifact-id }})
+        
     - uses: actions/github-script@v3
       if: ${{ hashFiles('format_patch.txt') != '' }}
       with:
diff --git a/.github/workflows/tpetra_muelu_label_to_project.yml b/.github/workflows/tpetra_muelu_label_to_project.yml
index 47ec3a77ebf3..b2baa62ca4f5 100644
--- a/.github/workflows/tpetra_muelu_label_to_project.yml
+++ b/.github/workflows/tpetra_muelu_label_to_project.yml
@@ -2,7 +2,7 @@ name: Auto assign MueLu or Tpetra labeled or titled issues to MueLu or Tpetra Pr
 
 on:
   issues:
-    types: [opened, labeled]
+    types: [opened,labeled]
 
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -44,11 +44,11 @@ jobs:
       uses: srggrs/assign-one-project-github-action@1.3.0
       if: contains(github.event.label.name, 'MueLu') || contains(github.event.issue.title, 'MueLu')
       with:
-        project: 'https://github.com/trilinos/Trilinos/projects/5'
-        column_name: 'Backlog'
+        project: 'https://github.com/muelu/Trilinos/projects/5'
+        column_name: 'Feature request'
     - name: Add to Tpetra Project
       uses: srggrs/assign-one-project-github-action@1.3.0    
       if: contains(github.event.label.name, 'Tpetra') || contains(github.event.issue.title, 'Tpetra')
       with:
-        project: 'https://github.com/trilinos/Trilinos/projects/2'
-        column_name: 'Needs Triage'
+        project: 'https://github.com/muelu/Trilinos/projects/2'
+        column_name: 'Backlog'
diff --git a/packages/muelu/src/Graph/MueLu_AggregationAlgorithmBase.hpp b/packages/muelu/src/Graph/MueLu_AggregationAlgorithmBase.hpp
index 3ab43d690931..94b8ccd07eb7 100644
--- a/packages/muelu/src/Graph/MueLu_AggregationAlgorithmBase.hpp
+++ b/packages/muelu/src/Graph/MueLu_AggregationAlgorithmBase.hpp
@@ -55,6 +55,7 @@
 #include "MueLu_GraphBase.hpp"
 #include "MueLu_Types.hpp"
 
+
 namespace MueLu {
 
 /*!