diff --git a/Samra/Backend/DetailItem.swift b/Samra/Backend/DetailItem.swift
index e2aa099..7d28d13 100644
--- a/Samra/Backend/DetailItem.swift
+++ b/Samra/Backend/DetailItem.swift
@@ -49,10 +49,10 @@ struct DetailItemSection: Hashable {
             DetailItem(primaryText: "UNIX Timestamp", secondaryText: assetStorage.storageTimestamp())
         ])
         
+        let coreUIVersionText: CustomStringConvertible = assetStorage.responds(to: #selector(CUICommonAssetStorage.coreuiVersion)) ? assetStorage.coreuiVersion() : "Unknown"
         let coreUISection = DetailItemSection(sectionHeader: "Other", items: [
-            DetailItem(primaryText: "CoreUI Version", secondaryText: assetStorage.coreuiVersion()),
+            DetailItem(primaryText: "CoreUI Version", secondaryText: coreUIVersionText),
             DetailItem(primaryText: "Schema Version", secondaryText: assetStorage.schemaVersion()),
-            DetailItem(primaryText: "UUID", secondaryText: assetStorage.uuid())
         ])
         
         return [toolSection, argumentsSection, dateSection, coreUISection]
diff --git a/Samra/Backend/Extensions.swift b/Samra/Backend/Extensions.swift
index f50675e..1fc6769 100644
--- a/Samra/Backend/Extensions.swift
+++ b/Samra/Backend/Extensions.swift
@@ -62,18 +62,6 @@ extension CGImage {
     }
 }
 
-extension NSView {
-    func setHiddenWithAnimations(hidden: Bool) {
-        NSAnimationContext.runAnimationGroup { animationContext in
-            animationContext.duration = hidden ? 0.1 : 0.1
-            animator().alphaValue = 0
-        } completionHandler: {
-            self.isHidden = hidden
-            self.alphaValue = 1
-        }
-    }
-}
-
 extension NSAlert {
     convenience init(title: String, message: String? = nil) {
         self.init()
diff --git a/Samra/UI/Diff/AssetCatalogDiffSelectionViewController.swift b/Samra/UI/Diff/AssetCatalogDiffSelectionViewController.swift
index 1ecdd14..221a85e 100644
--- a/Samra/UI/Diff/AssetCatalogDiffSelectionViewController.swift
+++ b/Samra/UI/Diff/AssetCatalogDiffSelectionViewController.swift
@@ -157,8 +157,6 @@ class AssetCatalogDiffSelectionViewController: NSViewController {
     
     @objc
     func leftOrRightButtonClicked(sender: NSButton) {
-        // tag 1 = left
-        // tag 2 = right
         URLHandler.shared.presentArchiveChooserPanel(senderView: nil) { [unowned self] url in
             validateAndProcessURL(url, forSide: DiffSide(rawValue: sender.tag)!)
         }
@@ -177,13 +175,13 @@ class AssetCatalogDiffSelectionViewController: NSViewController {
             case .left:
                 leftCatalogInput = try AssetCatalogInput(fileURL: urlToChoose)
                 leftCatalogPathLabel.stringValue = urlToChoose.path
-                setImageViewForPreview(url: url, side: .left)
+				leftCatalogPreview.imageView.image = NSWorkspace.shared.icon(forFile: url.path)
             case .right:
                 rightCatalogInput = try AssetCatalogInput(fileURL: urlToChoose)
                 rightCatalogPathLabel.stringValue = urlToChoose.path
-                setImageViewForPreview(url: url, side: .right)
+				rightCatalogPreview.imageView.image = NSWorkspace.shared.icon(forFile: url.path)
             }
-            
+   
             diffCatalogsButton.isEnabled = rightCatalogInput != nil && leftCatalogInput != nil
         } catch {
             NSAlert(title: "Unable to open Asset Catalog file \(urlToChoose.path)")