diff --git a/CHANGELOG.md b/CHANGELOG.md
index 483e0815..db26c18f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# [3.5.1]
+* Bug fix for platform util.
+
 # [3.5.0]
 * Removed redundant classes.
 
diff --git a/lib/src/widgets/cursor.dart b/lib/src/widgets/cursor.dart
index 3fb190a0..de2dbb5f 100644
--- a/lib/src/widgets/cursor.dart
+++ b/lib/src/widgets/cursor.dart
@@ -287,7 +287,15 @@ class CursorPainter {
 
     final caretHeight = editable!.getFullHeightForCaret(position);
     if (caretHeight != null) {
-      if (isKeyboardOS()) {
+      if (isAppleOS()) {
+        // Center the caret vertically along the text.
+        caretRect = Rect.fromLTWH(
+          caretRect.left,
+          caretRect.top + (caretHeight - caretRect.height) / 2,
+          caretRect.width,
+          caretRect.height,
+        );
+      } else {
         // Override the height to take the full height of the glyph at the
         // TextPosition when not on iOS. iOS has special handling that
         // creates a taller caret.
@@ -297,16 +305,6 @@ class CursorPainter {
           caretRect.width,
           caretHeight,
         );
-      } else if (isAppleOS()) {
-        // Center the caret vertically along the text.
-        caretRect = Rect.fromLTWH(
-          caretRect.left,
-          caretRect.top + (caretHeight - caretRect.height) / 2,
-          caretRect.width,
-          caretRect.height,
-        );
-      } else {
-        throw UnimplementedError();
       }
     }
 
diff --git a/lib/src/widgets/default_styles.dart b/lib/src/widgets/default_styles.dart
index 15a5d4de..438ca7cf 100644
--- a/lib/src/widgets/default_styles.dart
+++ b/lib/src/widgets/default_styles.dart
@@ -195,10 +195,8 @@ class DefaultStyles {
     String fontFamily;
     if (isAppleOS(themeData.platform)) {
       fontFamily = 'Menlo';
-    } else if (isKeyboardOS(themeData.platform)) {
-      fontFamily = 'Roboto Mono';
     } else {
-      throw UnimplementedError();
+      fontFamily = 'Roboto Mono';
     }
 
     final inlineCodeStyle = TextStyle(
diff --git a/lib/src/widgets/editor.dart b/lib/src/widgets/editor.dart
index a6eab01d..f1ec50cf 100644
--- a/lib/src/widgets/editor.dart
+++ b/lib/src/widgets/editor.dart
@@ -398,14 +398,7 @@ class _QuillEditorState extends State<QuillEditor>
     Color selectionColor;
     Radius? cursorRadius;
 
-    if (isKeyboardOS(theme.platform)) {
-      textSelectionControls = materialTextSelectionControls;
-      paintCursorAboveText = false;
-      cursorOpacityAnimates = false;
-      cursorColor ??= selectionTheme.cursorColor ?? theme.colorScheme.primary;
-      selectionColor = selectionTheme.selectionColor ??
-          theme.colorScheme.primary.withOpacity(0.40);
-    } else if (isAppleOS(theme.platform)) {
+    if (isAppleOS(theme.platform)) {
       final cupertinoTheme = CupertinoTheme.of(context);
       textSelectionControls = cupertinoTextSelectionControls;
       paintCursorAboveText = true;
@@ -417,7 +410,12 @@ class _QuillEditorState extends State<QuillEditor>
       cursorOffset = Offset(
           iOSHorizontalOffset / MediaQuery.of(context).devicePixelRatio, 0);
     } else {
-      throw UnimplementedError();
+      textSelectionControls = materialTextSelectionControls;
+      paintCursorAboveText = false;
+      cursorOpacityAnimates = false;
+      cursorColor ??= selectionTheme.cursorColor ?? theme.colorScheme.primary;
+      selectionColor = selectionTheme.selectionColor ??
+          theme.colorScheme.primary.withOpacity(0.40);
     }
 
     final child = RawEditor(
@@ -523,14 +521,12 @@ class _QuillEditorSelectionGestureDetectorBuilder
         from: details.globalPosition,
         cause: SelectionChangedCause.longPress,
       );
-    } else if (isKeyboardOS(_platform)) {
+    } else {
       renderEditor!.selectWordsInRange(
         details.globalPosition - details.offsetFromOrigin,
         details.globalPosition,
         SelectionChangedCause.longPress,
       );
-    } else {
-      throw UnimplementedError();
     }
   }
 
@@ -613,7 +609,7 @@ class _QuillEditorSelectionGestureDetectorBuilder
               ..onSelectionCompleted();
             break;
         }
-      } else if (isKeyboardOS(_platform)) {
+      } else {
         renderEditor!
           ..selectPosition(cause: SelectionChangedCause.tap)
           ..onSelectionCompleted();
@@ -639,11 +635,9 @@ class _QuillEditorSelectionGestureDetectorBuilder
           from: details.globalPosition,
           cause: SelectionChangedCause.longPress,
         );
-      } else if (isKeyboardOS(_platform)) {
+      } else {
         renderEditor!.selectWord(SelectionChangedCause.longPress);
         Feedback.forLongPress(_state.context);
-      } else {
-        throw UnimplementedError();
       }
     }
   }
diff --git a/lib/src/widgets/raw_editor.dart b/lib/src/widgets/raw_editor.dart
index 9919b2ea..ef02fbc1 100644
--- a/lib/src/widgets/raw_editor.dart
+++ b/lib/src/widgets/raw_editor.dart
@@ -851,7 +851,7 @@ class RawEditorState extends EditorState
       bringIntoView(textEditingValue.selection.extent);
       hideToolbar(false);
 
-      if (isKeyboardOS() || Platform.isAndroid) {
+      if (!Platform.isIOS) {
         // Collapse the selection and hide the toolbar and handles.
         userUpdateTextEditingValue(
           TextEditingValue(
diff --git a/lib/src/widgets/text_line.dart b/lib/src/widgets/text_line.dart
index 73dc21f9..089db489 100644
--- a/lib/src/widgets/text_line.dart
+++ b/lib/src/widgets/text_line.dart
@@ -855,10 +855,8 @@ class RenderEditableTextLine extends RenderEditableBox {
   void _computeCaretPrototype() {
     if (isAppleOS()) {
       _caretPrototype = Rect.fromLTWH(0, 0, cursorWidth, cursorHeight + 2);
-    } else if (isKeyboardOS()) {
-      _caretPrototype = Rect.fromLTWH(0, 2, cursorWidth, cursorHeight - 4.0);
     } else {
-      throw UnimplementedError();
+      _caretPrototype = Rect.fromLTWH(0, 2, cursorWidth, cursorHeight - 4.0);
     }
   }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 9c610270..0b768dce 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_quill
 description: A rich text editor supporting mobile and web (Demo App @ bulletjournal.us)
-version: 3.5.0
+version: 3.5.1
 #author: bulletjournal
 homepage: https://bulletjournal.us/home/index.html
 repository: https://github.com/singerdmx/flutter-quill