diff --git a/changelog_entry.yaml b/changelog_entry.yaml
index e69de29..69f9b7f 100644
--- a/changelog_entry.yaml
+++ b/changelog_entry.yaml
@@ -0,0 +1,5 @@
+- bump: minor
+  changes:
+    added:
+    - Adding column to sort by calibration difference to dashboard comparisons page.
+    - Ensure pagination so all repo branches are visible in the github loading.
diff --git a/microcalibration-dashboard/src/components/ComparisonDataTable.tsx b/microcalibration-dashboard/src/components/ComparisonDataTable.tsx
index 64e6a36..8694774 100644
--- a/microcalibration-dashboard/src/components/ComparisonDataTable.tsx
+++ b/microcalibration-dashboard/src/components/ComparisonDataTable.tsx
@@ -18,7 +18,7 @@ interface ComparisonRow {
   second?: CalibrationDataPoint;
 }
 
-type SortField = keyof CalibrationDataPoint | 'random';
+type SortField = keyof CalibrationDataPoint | 'random' | 'difference';
 type SortDataset = 'first' | 'second' | null;
 type SortDirection = 'asc' | 'desc';
 
@@ -97,6 +97,29 @@ export default function ComparisonDataTable({
         return sortDirection === 'asc' ? result : -result;
       }
 
+      if (sortField === 'difference') {
+        // Calculate differences for sorting
+        const aDiff = (a.first?.rel_abs_error !== undefined && a.second?.rel_abs_error !== undefined) 
+          ? a.second.rel_abs_error - a.first.rel_abs_error 
+          : null;
+        const bDiff = (b.first?.rel_abs_error !== undefined && b.second?.rel_abs_error !== undefined) 
+          ? b.second.rel_abs_error - b.first.rel_abs_error 
+          : null;
+        
+        // Handle undefined/null values - put them at the end regardless of sort direction
+        if (aDiff === null && bDiff === null) {
+          return 0;
+        }
+        if (aDiff === null) {
+          return 1;
+        }
+        if (bDiff === null) {
+          return -1;
+        }
+        
+        return sortDirection === 'asc' ? aDiff - bDiff : bDiff - aDiff;
+      }
+
       // Sort by values based on selected dataset
       let aVal, bVal;
       if (sortDataset === 'first') {
@@ -150,15 +173,15 @@ export default function ComparisonDataTable({
 
   const totalPages = Math.ceil(sortedData.length / itemsPerPage);
 
-  const handleSort = (field: keyof CalibrationDataPoint, dataset?: 'first' | 'second') => {
-    // For target_name, don't use dataset-specific sorting
-    if (field === 'target_name') {
+  const handleSort = (field: keyof CalibrationDataPoint | 'difference', dataset?: 'first' | 'second') => {
+    // For target_name and difference, don't use dataset-specific sorting
+    if (field === 'target_name' || field === 'difference') {
       if (sortField === field && sortDataset === null) {
         setSortDirection(sortDirection === 'asc' ? 'desc' : 'asc');
       } else {
         setSortField(field);
         setSortDataset(null);
-        setSortDirection('asc');
+        setSortDirection(field === 'difference' ? 'desc' : 'asc'); // Start with desc for difference to show biggest improvements first
       }
       return;
     }
@@ -176,11 +199,11 @@ export default function ComparisonDataTable({
   };
 
   const SortButton = ({ field, children, dataset }: { 
-    field: keyof CalibrationDataPoint, 
+    field: keyof CalibrationDataPoint | 'difference', 
     children: React.ReactNode, 
     dataset?: 'first' | 'second'
   }) => {
-    const isActive = field === 'target_name' 
+    const isActive = (field === 'target_name' || field === 'difference') 
       ? (sortField === field && sortDataset === null)
       : (sortField === field && sortDataset === dataset);
     
@@ -283,6 +306,28 @@ export default function ComparisonDataTable({
     );
   };
 
+  const renderDifferenceCell = (firstValue: number | undefined | null, secondValue: number | undefined | null) => {
+    if (firstValue === undefined || firstValue === null || secondValue === undefined || secondValue === null) {
+      return <span className="text-gray-400 font-mono text-xs">—</span>;
+    }
+
+    const difference = secondValue - firstValue;
+    const percentageDiff = (difference * 100).toFixed(2);
+    const sign = difference > 0 ? '+' : '';
+    
+    // Color coding: negative difference (B better than A) = green, positive (B worse than A) = red
+    let colorClass = 'text-gray-600';
+    if (Math.abs(difference) > 0.001) { // Only color if difference is meaningful
+      colorClass = difference < 0 ? 'text-green-600' : 'text-red-600';
+    }
+
+    return (
+      <span className={`font-mono text-xs font-semibold ${colorClass}`} title={`B: ${(secondValue * 100).toFixed(2)}% - A: ${(firstValue * 100).toFixed(2)}% = ${sign}${percentageDiff}%`}>
+        {sign}{percentageDiff}%
+      </span>
+    );
+  };
+
   return (
     <div className="bg-white border border-gray-300 p-6 rounded-lg shadow-sm">
       <div className="flex justify-between items-center mb-4">
@@ -347,6 +392,7 @@ export default function ComparisonDataTable({
             <col className="w-20" />
             <col className="w-20" />
             <col className="w-20" />
+            <col className="w-24" />
           </colgroup>
           <thead>
             <tr className="border-b border-gray-300 bg-gray-50">
@@ -368,6 +414,9 @@ export default function ComparisonDataTable({
               <th className="text-center py-2 px-4 font-semibold text-gray-700 border-b border-gray-200" colSpan={2}>
                 Rel abs error %
               </th>
+              <th className="text-center py-2 px-4 font-semibold text-gray-700 border-b border-gray-200">
+                Difference
+              </th>
             </tr>
             <tr className="border-b border-gray-300 bg-gray-50">
               <th className="text-center py-2 px-2 text-xs font-medium text-blue-600">A</th>
@@ -388,6 +437,9 @@ export default function ComparisonDataTable({
                   B
                 </DatasetSortButton>
               </th>
+              <th className="text-center py-2 px-5">
+                <SortButton field="difference">(B-A)</SortButton>
+              </th>
             </tr>
           </thead>
           <tbody>
@@ -460,6 +512,11 @@ export default function ComparisonDataTable({
                 <td className="py-3 px-2 text-right">
                   {renderDataCell(row.second?.rel_abs_error, false, true)}
                 </td>
+                
+                {/* Difference column */}
+                <td className="py-3 px-2 text-center">
+                  {renderDifferenceCell(row.first?.rel_abs_error, row.second?.rel_abs_error)}
+                </td>
               </tr>
             ))}
           </tbody>
diff --git a/microcalibration-dashboard/src/components/ComparisonQualitySummary.tsx b/microcalibration-dashboard/src/components/ComparisonQualitySummary.tsx
index 2b0e213..4851111 100644
--- a/microcalibration-dashboard/src/components/ComparisonQualitySummary.tsx
+++ b/microcalibration-dashboard/src/components/ComparisonQualitySummary.tsx
@@ -120,11 +120,11 @@ export default function ComparisonQualitySummary({
   let qualityIcon: React.ReactNode;
   
   if (overallQualityChange > 0.1) {
-    qualityAssessment = "Significantly Better";
+    qualityAssessment = "Improved";
     qualityColor = "green";
     qualityIcon = <TrendingUp className="w-6 h-6" />;
   } else if (overallQualityChange < -0.1) {
-    qualityAssessment = "Significantly worse";
+    qualityAssessment = "Worsened";
     qualityColor = "red";
     qualityIcon = <TrendingDown className="w-6 h-6" />;
   } else {
@@ -145,7 +145,7 @@ export default function ComparisonQualitySummary({
       </p>
 
       {/* Overall Quality Assessment */}
-      <div className={`mb-6 bg-${qualityColor}-50 border-2 border-${qualityColor}-200 rounded-lg p-6`}>
+      <div className={`mb-6 border-2 border-${qualityColor}-500 rounded-lg p-6`}>
         <div className="text-center">
           <div className={`flex items-center justify-center mb-2 text-${qualityColor}-600`}>
             {qualityIcon}
diff --git a/microcalibration-dashboard/src/components/FileUpload.tsx b/microcalibration-dashboard/src/components/FileUpload.tsx
index 3d5cab8..17ece15 100644
--- a/microcalibration-dashboard/src/components/FileUpload.tsx
+++ b/microcalibration-dashboard/src/components/FileUpload.tsx
@@ -568,28 +568,56 @@ export default function FileUpload({
     setError('');
 
     try {
-      // Use authenticated requests to avoid rate limiting
-      const response = await fetch(`https://api.github.com/repos/${githubRepo}/branches`, {
-        headers: {
-          'Authorization': `Bearer ${githubToken}`,
-          'Accept': 'application/vnd.github.v3+json',
-          'User-Agent': 'PolicyEngine-Dashboard/1.0'
+      // Fetch all branches with pagination support
+      const allBranches: GitHubBranch[] = [];
+      let page = 1;
+      const perPage = 100; // Maximum allowed by GitHub API
+      
+      while (true) {
+        const response = await fetch(`https://api.github.com/repos/${githubRepo}/branches?per_page=${perPage}&page=${page}`, {
+          headers: {
+            'Authorization': `Bearer ${githubToken}`,
+            'Accept': 'application/vnd.github.v3+json',
+            'User-Agent': 'PolicyEngine-Dashboard/1.0'
+          }
+        });
+        
+        if (!response.ok) {
+          if (response.status === 404) {
+            throw new Error('Repository not found. Please check the repository name and ensure it is accessible.');
+          } else if (response.status === 403) {
+            throw new Error('Access forbidden. Please check your GitHub token permissions or repository access.');
+          }
+          throw new Error(`Failed to fetch branches: ${response.status} ${response.statusText}`);
         }
-      });
-      if (!response.ok) {
-        if (response.status === 404) {
-          throw new Error('Repository not found. Please check the repository name and ensure it is accessible.');
-        } else if (response.status === 403) {
-          throw new Error('Access forbidden. Please check your GitHub token permissions or repository access.');
+
+        const branches: GitHubBranch[] = await response.json();
+        
+        if (branches.length === 0) {
+          // No more branches to fetch
+          break;
+        }
+        
+        allBranches.push(...branches);
+        
+        // If we got fewer branches than requested, we've reached the end
+        if (branches.length < perPage) {
+          break;
+        }
+        
+        page++;
+        
+        // Safety check to prevent infinite loops (GitHub repos rarely have more than 1000 branches)
+        if (page > 10) {
+          console.warn('Stopped fetching branches after 10 pages (1000 branches) to prevent excessive API calls');
+          break;
         }
-        throw new Error(`Failed to fetch branches: ${response.status} ${response.statusText}`);
       }
 
-      const branches: GitHubBranch[] = await response.json();
-      setGithubBranches(branches);
+      setGithubBranches(allBranches);
       
       // Auto-select main/master branch if available
-      const defaultBranch = branches.find(b => b.name === 'main' || b.name === 'master');
+      const defaultBranch = allBranches.find(b => b.name === 'main' || b.name === 'master');
       if (defaultBranch) {
         setSelectedBranch(defaultBranch.name);
         await fetchGithubCommits(defaultBranch.name);