diff --git a/assets b/assets
index be9d790af..e634c8f50 160000
--- a/assets
+++ b/assets
@@ -1 +1 @@
-Subproject commit be9d790af9c6f1f5e3afc7aed2b1d5c21823bc20
+Subproject commit e634c8f50c34845097283e0f411e1f89409e1498
diff --git a/hmm.json b/hmm.json
index 070d96cd0..22dd6e42f 100644
--- a/hmm.json
+++ b/hmm.json
@@ -49,22 +49,20 @@
       "name": "haxeui-core",
       "type": "git",
       "dir": null,
-      "ref": "e92d5cfac847943fac84696b103670d55c2c774f",
+      "ref": "815e94dd5aa6cf09c5ddcef1666a54449ffde8dc",
       "url": "https://github.com/haxeui/haxeui-core"
     },
     {
       "name": "haxeui-flixel",
       "type": "git",
       "dir": null,
-      "ref": "be0b18553189a55fd42821026618a18615b070e3",
+      "ref": "9bd0b9e0fea40b8e06a89aac4949512d95064609",
       "url": "https://github.com/haxeui/haxeui-flixel"
     },
     {
       "name": "hmm",
-      "type": "git",
-      "dir": null,
-      "ref": "d514d7786cabf18b90e60fcee38399fd44c2ddfb",
-      "url": "https://github.com/andywhite37/hmm"
+      "type": "haxelib",
+      "version": "3.1.0"
     },
     {
       "name": "hscript",
diff --git a/source/funkin/ui/debug/charting/ChartEditorState.hx b/source/funkin/ui/debug/charting/ChartEditorState.hx
index 8c18271d9..366e446e5 100644
--- a/source/funkin/ui/debug/charting/ChartEditorState.hx
+++ b/source/funkin/ui/debug/charting/ChartEditorState.hx
@@ -35,6 +35,15 @@ import funkin.play.HealthIcon;
 import funkin.play.notes.NoteSprite;
 import funkin.play.PlayState;
 import funkin.play.song.Song;
+import funkin.data.song.SongData.SongChartData;
+import funkin.data.song.SongRegistry;
+import funkin.data.song.SongData.SongEventData;
+import funkin.data.song.SongData.SongMetadata;
+import funkin.data.song.SongData.SongNoteData;
+import funkin.data.song.SongData.SongCharacterData;
+import funkin.data.song.SongDataUtils;
+import funkin.ui.debug.charting.commands.ChartEditorCommand;
+import funkin.ui.debug.charting.handlers.ChartEditorShortcutHandler;
 import funkin.play.stage.StageData;
 import funkin.ui.debug.charting.commands.AddEventsCommand;
 import funkin.ui.debug.charting.commands.AddNotesCommand;
@@ -1391,6 +1400,7 @@ class ChartEditorState extends HaxeUIState
     buildSelectionBox();
 
     buildAdditionalUI();
+    ChartEditorShortcutHandler.applyPlatformShortcutText(this);
 
     // Setup the onClick listeners for the UI after it's been created.
     setupUIListeners();
diff --git a/source/funkin/ui/debug/charting/handlers/ChartEditorShortcutHandler.hx b/source/funkin/ui/debug/charting/handlers/ChartEditorShortcutHandler.hx
new file mode 100644
index 000000000..016a181d3
--- /dev/null
+++ b/source/funkin/ui/debug/charting/handlers/ChartEditorShortcutHandler.hx
@@ -0,0 +1,61 @@
+package funkin.ui.debug.charting.handlers;
+
+import funkin.util.PlatformUtil;
+
+@:access(funkin.ui.debug.charting.ChartEditorState)
+class ChartEditorShortcutHandler
+{
+  public static function applyPlatformShortcutText(state:ChartEditorState):Void
+  {
+    state.setComponentShortcutText('menubarItemNewChart', ctrlOrCmd('N'));
+    state.setComponentShortcutText('menubarItemOpenChart', ctrlOrCmd('O'));
+    state.setComponentShortcutText('menubarItemSaveChartAs', ctrlOrCmd(shift('S')));
+    state.setComponentShortcutText('menubarItemExit', ctrlOrCmd('Q'));
+
+    state.setComponentShortcutText('menubarItemUndo', ctrlOrCmd('Z'));
+    state.setComponentShortcutText('menubarItemRedo', ctrlOrCmd('Y'));
+    state.setComponentShortcutText('menubarItemCut', ctrlOrCmd('X'));
+    state.setComponentShortcutText('menubarItemCopy', ctrlOrCmd('C'));
+    state.setComponentShortcutText('menubarItemPaste', ctrlOrCmd('V'));
+
+    state.setComponentShortcutText('menubarItemSelectAll', ctrlOrCmd('A'));
+    state.setComponentShortcutText('menubarItemSelectInverse', ctrlOrCmd('I'));
+    state.setComponentShortcutText('menubarItemSelectNone', ctrlOrCmd('D'));
+    state.setComponentShortcutText('menubarItemSelectBeforeCursor', shift('Home'));
+    state.setComponentShortcutText('menubarItemSelectAfterCursor', shift('End'));
+
+    state.setComponentShortcutText('menubarItemDifficultyDown', ctrlOrCmd('←'));
+    state.setComponentShortcutText('menubarItemDifficultyUp', ctrlOrCmd('→'));
+
+    state.setComponentShortcutText('menubarItemPlaytestFull', 'Enter');
+    state.setComponentShortcutText('menubarItemPlaytestMinimal', shift('Enter'));
+  }
+
+  /**
+   * Display `Ctrl` on Windows and `⌘` (Command) on macOS.
+   * @param input
+   */
+  static inline function ctrlOrCmd(input:String)
+  {
+    return (PlatformUtil.isMacOS()) ? '⌘+${input}' : 'Ctrl+${input}';
+  }
+
+  /**
+   * Display `Ctrl` on Windows and `^` (Control) on macOS.
+   * @param input
+   */
+  static inline function ctrl(input:String)
+  {
+    return (PlatformUtil.isMacOS()) ? '^+${input}' : 'Ctrl+${input}';
+  }
+
+  static inline function alt(input:String)
+  {
+    return (PlatformUtil.isMacOS()) ? '⌥+${input}' : 'Alt+${input}';
+  }
+
+  static inline function shift(input:String)
+  {
+    return (PlatformUtil.isMacOS()) ? '⇧+${input}' : 'Shift+${input}';
+  }
+}
diff --git a/source/funkin/ui/haxeui/HaxeUIState.hx b/source/funkin/ui/haxeui/HaxeUIState.hx
index 6d432b68c..d9d00dd23 100644
--- a/source/funkin/ui/haxeui/HaxeUIState.hx
+++ b/source/funkin/ui/haxeui/HaxeUIState.hx
@@ -2,6 +2,7 @@ package funkin.ui.haxeui;
 
 import haxe.ui.components.CheckBox;
 import haxe.ui.containers.menus.MenuCheckBox;
+import haxe.ui.containers.menus.MenuItem;
 import haxe.ui.core.Component;
 import haxe.ui.core.Screen;
 import haxe.ui.events.MouseEvent;
@@ -122,6 +123,20 @@ class HaxeUIState extends MusicBeatState
     }
   }
 
+  function setComponentShortcutText(key:String, text:String):Void
+  {
+    var target:MenuItem = findComponent(key, MenuItem);
+    if (target == null)
+    {
+      // Gracefully handle the case where the item can't be located.
+      trace('WARN: Could not locate menu item: $key');
+    }
+    else
+    {
+      target.shortcutText = text;
+    }
+  }
+
   /**
    * Add an onChange listener to a HaxeUI input component such as a slider or text field.
    */
diff --git a/source/funkin/util/PlatformUtil.hx b/source/funkin/util/PlatformUtil.hx
new file mode 100644
index 000000000..b709eb475
--- /dev/null
+++ b/source/funkin/util/PlatformUtil.hx
@@ -0,0 +1,23 @@
+package funkin.util;
+
+class PlatformUtil
+{
+  /**
+   * Returns true if the current platform is MacOS.
+   *
+   * NOTE: Only use this for choosing modifier keys for shortcut hints.
+   * @return Whether the current platform is MacOS, or HTML5 running on MacOS.
+   */
+  public static function isMacOS():Bool
+  {
+    #if mac
+    return true;
+    #elseif html5
+    return js.Browser.window.navigator.platform.startsWith("Mac")
+      || js.Browser.window.navigator.platform.startsWith("iPad")
+      || js.Browser.window.navigator.platform.startsWith("iPhone");
+    #else
+    return false;
+    #end
+  }
+}