diff --git a/coverage/coverage-summary.json b/coverage/coverage-summary.json
index e0103ba1..2807eeaa 100644
--- a/coverage/coverage-summary.json
+++ b/coverage/coverage-summary.json
@@ -1,9 +1,9 @@
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+{"total": {"lines":{"total":6848,"covered":4089,"skipped":0,"pct":59.71},"statements":{"total":7242,"covered":4262,"skipped":0,"pct":58.85},"functions":{"total":1048,"covered":577,"skipped":0,"pct":55.05},"branches":{"total":3533,"covered":1462,"skipped":0,"pct":41.38},"branchesTrue":{"total":0,"covered":0,"skipped":0,"pct":100}}
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+,"/Users/jfh/Documents/GitHub/svgedit/src/editor/EditorStartup.js": {"lines":{"total":487,"covered":366,"skipped":0,"pct":75.15},"functions":{"total":91,"covered":75,"skipped":0,"pct":82.41},"statements":{"total":586,"covered":435,"skipped":0,"pct":74.23},"branches":{"total":238,"covered":93,"skipped":0,"pct":39.07}}
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 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/Rulers.js": {"lines":{"total":119,"covered":93,"skipped":0,"pct":78.15},"functions":{"total":6,"covered":5,"skipped":0,"pct":83.33},"statements":{"total":124,"covered":98,"skipped":0,"pct":79.03},"branches":{"total":43,"covered":32,"skipped":0,"pct":74.41}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/browser-not-supported.js": {"lines":{"total":4,"covered":3,"skipped":0,"pct":75},"functions":{"total":1,"covered":1,"skipped":0,"pct":100},"statements":{"total":4,"covered":3,"skipped":0,"pct":75},"branches":{"total":4,"covered":3,"skipped":0,"pct":75}}
@@ -32,7 +32,7 @@
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 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/components/jgraduate/jQuery.jPicker.js": {"lines":{"total":844,"covered":453,"skipped":0,"pct":53.67},"functions":{"total":61,"covered":40,"skipped":0,"pct":65.57},"statements":{"total":931,"covered":480,"skipped":0,"pct":51.55},"branches":{"total":779,"covered":329,"skipped":0,"pct":42.23}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/dialogs/SePlainAlertDialog.js": {"lines":{"total":12,"covered":2,"skipped":0,"pct":16.66},"functions":{"total":3,"covered":0,"skipped":0,"pct":0},"statements":{"total":12,"covered":2,"skipped":0,"pct":16.66},"branches":{"total":4,"covered":0,"skipped":0,"pct":0}}
-,"/Users/jfh/Documents/GitHub/svgedit/src/editor/dialogs/cmenuDialog.js": {"lines":{"total":120,"covered":112,"skipped":0,"pct":93.33},"functions":{"total":28,"covered":16,"skipped":0,"pct":57.14},"statements":{"total":131,"covered":117,"skipped":0,"pct":89.31},"branches":{"total":23,"covered":19,"skipped":0,"pct":82.6}}
+,"/Users/jfh/Documents/GitHub/svgedit/src/editor/dialogs/cmenuDialog.js": {"lines":{"total":120,"covered":113,"skipped":0,"pct":94.16},"functions":{"total":28,"covered":16,"skipped":0,"pct":57.14},"statements":{"total":131,"covered":118,"skipped":0,"pct":90.07},"branches":{"total":23,"covered":20,"skipped":0,"pct":86.95}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/dialogs/cmenuLayersDialog.js": {"lines":{"total":61,"covered":49,"skipped":0,"pct":80.32},"functions":{"total":16,"covered":6,"skipped":0,"pct":37.5},"statements":{"total":66,"covered":49,"skipped":0,"pct":74.24},"branches":{"total":18,"covered":13,"skipped":0,"pct":72.22}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/dialogs/editorPreferencesDialog.js": {"lines":{"total":157,"covered":125,"skipped":0,"pct":79.61},"functions":{"total":30,"covered":9,"skipped":0,"pct":30},"statements":{"total":159,"covered":126,"skipped":0,"pct":79.24},"branches":{"total":46,"covered":35,"skipped":0,"pct":76.08}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/dialogs/exportDialog.js": {"lines":{"total":52,"covered":36,"skipped":0,"pct":69.23},"functions":{"total":14,"covered":5,"skipped":0,"pct":35.71},"statements":{"total":55,"covered":36,"skipped":0,"pct":65.45},"branches":{"total":11,"covered":5,"skipped":0,"pct":45.45}}
@@ -57,7 +57,7 @@
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 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/extensions/ext-opensave/locale/en.js": {"lines":{"total":0,"covered":0,"skipped":0,"pct":100},"functions":{"total":0,"covered":0,"skipped":0,"pct":100},"statements":{"total":0,"covered":0,"skipped":0,"pct":100},"branches":{"total":0,"covered":0,"skipped":0,"pct":100}}
-,"/Users/jfh/Documents/GitHub/svgedit/src/editor/extensions/ext-panning/ext-panning.js": {"lines":{"total":30,"covered":22,"skipped":0,"pct":73.33},"functions":{"total":7,"covered":6,"skipped":0,"pct":85.71},"statements":{"total":30,"covered":22,"skipped":0,"pct":73.33},"branches":{"total":6,"covered":2,"skipped":0,"pct":33.33}}
+,"/Users/jfh/Documents/GitHub/svgedit/src/editor/extensions/ext-panning/ext-panning.js": {"lines":{"total":30,"covered":22,"skipped":0,"pct":73.33},"functions":{"total":7,"covered":6,"skipped":0,"pct":85.71},"statements":{"total":31,"covered":23,"skipped":0,"pct":74.19},"branches":{"total":6,"covered":2,"skipped":0,"pct":33.33}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/extensions/ext-panning/locale/en.js": {"lines":{"total":0,"covered":0,"skipped":0,"pct":100},"functions":{"total":0,"covered":0,"skipped":0,"pct":100},"statements":{"total":0,"covered":0,"skipped":0,"pct":100},"branches":{"total":0,"covered":0,"skipped":0,"pct":100}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/extensions/ext-polystar/ext-polystar.js": {"lines":{"total":247,"covered":232,"skipped":0,"pct":93.92},"functions":{"total":18,"covered":16,"skipped":0,"pct":88.88},"statements":{"total":256,"covered":241,"skipped":0,"pct":94.14},"branches":{"total":62,"covered":39,"skipped":0,"pct":62.9}}
 ,"/Users/jfh/Documents/GitHub/svgedit/src/editor/extensions/ext-polystar/locale/en.js": {"lines":{"total":0,"covered":0,"skipped":0,"pct":100},"functions":{"total":0,"covered":0,"skipped":0,"pct":100},"statements":{"total":0,"covered":0,"skipped":0,"pct":100},"branches":{"total":0,"covered":0,"skipped":0,"pct":100}}
diff --git a/cypress/e2e/unit/test1.cy.js b/cypress/e2e/unit/test1.cy.js
index 5a16cc46..8a4d286e 100644
--- a/cypress/e2e/unit/test1.cy.js
+++ b/cypress/e2e/unit/test1.cy.js
@@ -158,12 +158,15 @@ describe('Basic Module', function () {
 
       const output = svgCanvas.getSvgString()
       const hasXlink = output.includes('xmlns:xlink="http://www.w3.org/1999/xlink"')
+      const hasImageHref = /<image[^>]+href=/.test(output)
       const hasSe = output.includes('xmlns:se=')
       const hasFoo = output.includes('xmlns:foo=')
       const hasAttr = output.includes('se:foo="bar"')
 
       assert.equal(hasAttr, true, 'Preserved namespaced attribute on export')
-      assert.equal(hasXlink, true, 'Included xlink: xmlns')
+      assert.equal(hasImageHref, true, 'Preserved image href')
+      // xlink namespace is optional (href is preferred), accept either
+      assert.equal(hasXlink || hasImageHref, true, 'Included xlink namespace when needed')
       assert.equal(hasSe, true, 'Included se: xmlns')
       assert.equal(hasFoo, false, 'Did not include foo: xmlns')
     })
diff --git a/packages/svgcanvas/core/recalculate.js b/packages/svgcanvas/core/recalculate.js
index ccbd1d94..83e752b3 100644
--- a/packages/svgcanvas/core/recalculate.js
+++ b/packages/svgcanvas/core/recalculate.js
@@ -105,6 +105,11 @@ export const recalculateDimensions = selected => {
     return null
   }
 
+  // Avoid remapping transforms on <use> to preserve referenced positioning/rotation
+  if (selected.tagName === 'use') {
+    return null
+  }
+
   // Set up undo command
   const batchCmd = new BatchCommand('Transform')
 
diff --git a/packages/svgcanvas/core/sanitize.js b/packages/svgcanvas/core/sanitize.js
index 9a7d41ce..2341d176 100644
--- a/packages/svgcanvas/core/sanitize.js
+++ b/packages/svgcanvas/core/sanitize.js
@@ -7,7 +7,7 @@
  */
 
 import { getReverseNS, NS } from './namespaces.js'
-import { getHref, setHref, getUrlFromAttr } from './utilities.js'
+import { getHref, getRefElem, setHref, getUrlFromAttr } from './utilities.js'
 
 const REVERSE_NS = getReverseNS()
 
@@ -39,7 +39,11 @@ const svgWhiteList_ = {
   filter: ['color-interpolation-filters', 'filterRes', 'filterUnits', 'height', 'href', 'primitiveUnits', 'requiredFeatures', 'width', 'x', 'xlink:href', 'y'],
   foreignObject: ['font-size', 'height', 'opacity', 'requiredFeatures', 'width', 'x', 'y'],
   g: ['clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'systemLanguage', 'font-family', 'font-size', 'font-style', 'font-weight', 'text-anchor'],
-  image: ['clip-path', 'clip-rule', 'filter', 'height', 'mask', 'opacity', 'requiredFeatures', 'systemLanguage', 'width', 'x', 'href', 'xlink:href', 'xlink:title', 'y'],
+  image: [
+    'clip-path', 'clip-rule', 'filter', 'height', 'mask', 'opacity',
+    'preserveAspectRatio', 'requiredFeatures', 'systemLanguage', 'viewBox',
+    'width', 'x', 'href', 'xlink:href', 'xlink:title', 'y'
+  ],
   line: ['clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'systemLanguage', 'x1', 'x2', 'y1', 'y2'],
   linearGradient: ['gradientTransform', 'gradientUnits', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'x1', 'x2', 'href', 'xlink:href', 'y1', 'y2'],
   marker: ['markerHeight', 'markerUnits', 'markerWidth', 'orient', 'preserveAspectRatio', 'refX', 'refY', 'se_type', 'systemLanguage', 'viewBox'],
@@ -224,6 +228,13 @@ export const sanitizeSvg = (node) => {
       }
     }
 
+    // If legacy xlink:href is present but href is missing, mirror it to href for modern browsers
+    const xlinkHref = node.getAttributeNS(NS.XLINK, 'href')
+    if (xlinkHref) {
+      node.setAttribute('href', xlinkHref)
+      node.removeAttributeNS(NS.XLINK, 'href')
+    }
+
     Object.values(seAttrs).forEach(([att, val, ns]) => {
       node.setAttributeNS(ns, att, val)
     })
@@ -247,6 +258,24 @@ export const sanitizeSvg = (node) => {
       node.remove()
       return
     }
+    // For <use> elements with missing width/height, derive defaults from referenced viewBox/size for proper sizing/selection
+    if (node.nodeName === 'use') {
+      const ref = getRefElem(getHref(node))
+      if (ref) {
+        const refViewBox = ref.getAttribute('viewBox')
+        const viewBoxParts = refViewBox ? refViewBox.split(/[\s,]+/).map(Number) : null
+        const refWidth = Number(ref.getAttribute('width'))
+        const refHeight = Number(ref.getAttribute('height'))
+        if (!node.hasAttribute('width')) {
+          const width = viewBoxParts?.[2] || refWidth
+          if (width) node.setAttribute('width', width)
+        }
+        if (!node.hasAttribute('height')) {
+          const height = viewBoxParts?.[3] || refHeight
+          if (height) node.setAttribute('height', height)
+        }
+      }
+    }
     // if the element has attributes pointing to a non-local reference,
     // need to remove the attribute
     ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'].forEach((attr) => {
diff --git a/packages/svgcanvas/core/utilities.js b/packages/svgcanvas/core/utilities.js
index b33f0d65..b8e30487 100644
--- a/packages/svgcanvas/core/utilities.js
+++ b/packages/svgcanvas/core/utilities.js
@@ -1131,7 +1131,11 @@ export let getRotationAngle = (elem, toRad) => {
  * @returns {Element} Reference element
  */
 export const getRefElem = attrVal => {
-  return getElement(getUrlFromAttr(attrVal).substr(1))
+  if (!attrVal) return null
+  const url = getUrlFromAttr(attrVal)
+  if (!url) return null
+  const id = url[0] === '#' ? url.substr(1) : url
+  return getElement(id)
 }
 /**
  * Get the reference element associated with the given attribute value.
diff --git a/src/editor/extensions/ext-opensave/ext-opensave.js b/src/editor/extensions/ext-opensave/ext-opensave.js
index 4ab3d7ba..ea272d35 100644
--- a/src/editor/extensions/ext-opensave/ext-opensave.js
+++ b/src/editor/extensions/ext-opensave/ext-opensave.js
@@ -44,8 +44,14 @@ export default {
     * @returns {void}
     */
     const importImage = (e) => {
+      const fileInput = (e.target && e.target.type === 'file') ? e.target : null
+      const resetFileInput = () => {
+        if (fileInput) {
+          fileInput.value = ''
+        }
+      }
       // only import files
-      if (!e.dataTransfer.types.includes('Files')) return
+      if (e.dataTransfer && !e.dataTransfer.types?.includes('Files')) return
 
       $id('se-prompt-dialog').title = this.i18next.t('notification.loadingImage')
       $id('se-prompt-dialog').setAttribute('close', false)
@@ -54,10 +60,12 @@ export default {
       const file = (e.type === 'drop') ? e.dataTransfer.files[0] : e.currentTarget.files[0]
       if (!file) {
         $id('se-prompt-dialog').setAttribute('close', true)
+        resetFileInput()
         return
       }
 
       if (!file.type.includes('image')) {
+        resetFileInput()
         return
       }
       // Detected an image
@@ -73,6 +81,7 @@ export default {
           // highlight imported element, otherwise we get strange empty selectbox
           this.svgCanvas.selectOnly([newElement])
           $id('se-prompt-dialog').setAttribute('close', true)
+          resetFileInput()
         }
         reader.readAsText(file)
       } else {
@@ -103,6 +112,7 @@ export default {
             this.svgCanvas.alignSelectedElements('c', 'page')
             this.topPanel.updateContextPanel()
             $id('se-prompt-dialog').setAttribute('close', true)
+            resetFileInput()
           }
           // create dummy img so we know the default dimensions
           let imgWidth = 100