API switch to remove accessibility descripttion.

Clocker/Onboarding/OnboardingParentViewController.swift

@@ -71,7 +71,7 @@ class OnboardingParentViewController: NSViewController {
         if #available(OSX 10.16, *) {
             negativeButton.controlSize = .large
             positiveButton.controlSize = .large
-            backButton.image = Themer.shared().symbolImage(for: "chevron.left.circle.fill", accessibilityDescription: "back-button")
+            backButton.image = Themer.shared().symbolImage(for: "chevron.left.circle.fill")
             backButton.bezelStyle = .recessed
             backButton.isBordered = false
             backButton.font = NSFont.systemFont(ofSize: 24)

Clocker/Overall App/Themer.swift

@@ -152,7 +152,7 @@ extension Themer {
 
     func shutdownImage() -> NSImage {
         if #available(macOS 10.16, *) {
-            return symbolImage(for: "ellipsis.circle", nil)
+            return symbolImage(for: "ellipsis.circle")
         }
 
         if #available(macOS 10.14, *) {
@@ -171,7 +171,7 @@ extension Themer {
 
     func preferenceImage() -> NSImage {
         if #available(macOS 10.16, *) {
-            return symbolImage(for: "gear", nil)
+            return symbolImage(for: "gear")
         }
 
         if #available(macOS 10.14, *) {
@@ -187,13 +187,13 @@ extension Themer {
 
         return
             themeIndex == .light
-                ? NSImage(named: NSImage.Name("Settings"))!
-                : NSImage(named: NSImage.Name("Settings-White"))!
+            ? NSImage(named: NSImage.Name("Settings"))!
+            : NSImage(named: NSImage.Name("Settings-White"))!
     }
 
     func pinImage() -> NSImage {
         if #available(macOS 10.16, *) {
-            return symbolImage(for: "macwindow.on.rectangle", nil)
+            return symbolImage(for: "macwindow.on.rectangle")
         }
 
         if #available(macOS 10.14, *) {
@@ -317,7 +317,7 @@ extension Themer {
 
     func sharingImage() -> NSImage {
         if #available(macOS 10.16, *) {
-            return symbolImage(for: "square.and.arrow.up.on.square.fill", nil)
+            return symbolImage(for: "square.and.arrow.up.on.square.fill")
         }
 
         if #available(macOS 10.14, *) {
@@ -445,9 +445,14 @@ extension Themer {
             NSColor(deviceRed: 42.0 / 255.0, green: 55.0 / 255.0, blue: 62.0 / 255.0, alpha: 1.0)
     }
 
-    func symbolImage(for _: String, _: String?) -> NSImage {
-        // Dummy image for older xcodes
-        return NSImage(named: NSImage.Name("Calendar Tab Icon"))!
-//    return NSImage(systemSymbolName: name, accessibilityDescription: accessibilityDescription)!
+    func symbolImage(for name: String) -> NSImage {
+        assert(name.count > 0)
+
+        if #available(OSX 10.16, *) {
+            return NSImage(systemSymbolName: name, accessibilityDescription: name)!
+        } else {
+            // Dummy image for older xcodes
+            return NSImage(named: NSImage.Name("Calendar Tab Icon"))!
+        }
     }
 }

Clocker/Panel/ParentPanelController.swift

@@ -167,9 +167,11 @@ class ParentPanelController: NSWindowController {
 
         showDebugVersionViewIfNeccesary()
 
-        if #available(macOS 10.16, *) {
-//            mainTableView.style = .fullWidth
-        }
+        #if DEBUG
+            if #available(macOS 10.16, *) {
+                mainTableView.style = .fullWidth
+            }
+        #endif
     }
 
     private func showDebugVersionViewIfNeccesary() {

Clocker/Panel/UI/TimezoneDataSource.swift

@@ -136,7 +136,7 @@ extension TimezoneDataSource: NSTableViewDataSource, NSTableViewDelegate {
             })
 
             if #available(OSX 10.16, *) {
-                swipeToDelete.image = Themer.shared().symbolImage(for: "trash.fill", "Trash Button")
+                swipeToDelete.image = Themer.shared().symbolImage(for: "trash.fill")
 
             } else {
                 swipeToDelete.image = NSImage(named: NSImage.Name("Trash"))