anchor.diff:                  ])
                 ])
               ]);
  -            resultsTableEl.appendChild(resultGroupEl);
  +            resultsDocFrag.appendChild(resultGroupEl);
   
               // TODO: When bulk update is accepted, send overwrite requests to server with new image as "Ref"
               //   and use `?1` trick to refresh images
  
positive.code: 
              // Generate and append result content
              // DEV: We use a document fragment to avoid `n` DOM edits -- instead it's 1
              var resultGroupEl = D.FRAGMENT([
                D.THEAD([
                  D.TR([
                    // TODO: Add collapse support like in `gemini-gui`
                    D.TD({colspan: 3}, D.B(imageSetInfo.humanName))
                  ]),
                  D.TR([
                    // TODO: Move style out of inline and to classes for more performance
                    // DEV: `min-width` is to give us spacing for "Save update text"
                    D.TH({style: 'padding-right: 10px; min-width: 120px;'}, 'Save update:'),
                    D.TH('Original ref:'),
                    D.TH('Updated ref:')
                  ]),
                ]),
                D.TBODY([
  
negative.code:           console.time('bulkUpdateSelection');
  
            // Find our output targets
            var resultsDocFrag = D.FRAGMENT();
  
            // Generate and updated ref image for each of our comparisons
            imageSetInfos.forEach(function generateUpdatedRef (imageSetInfo) {
  