TextInput multiline is completely broken in new arch

[ospfranco]

Environment

npm ls react-native-macos: 0.81.7 with new arch

Steps to reproduce the bug

Creating a TextInput with multiline is completely broken. It has a focus ring altough enableFocusRing=false. And when pressing space it completely looses focus

Expected Behavior

No response

Actual Behavior

No response

Reproducible Demo

No response

Additional context

Some of the AI fixes.

For the focus ring, it seems the wrappers do not propagate the prop correctly:

diff --git a/Libraries/Text/TextInput/Multiline/RCTUITextView.mm b/Libraries/Text/TextInput/Multiline/RCTUITextView.mm
index 3ddc6016b5dee1f0ced35b9be2c4e59ff32f0a58..f86e1210e3d5ce452c9543189f112484db92206f 100644
--- a/Libraries/Text/TextInput/Multiline/RCTUITextView.mm
+++ b/Libraries/Text/TextInput/Multiline/RCTUITextView.mm
@@ -26,6 +26,7 @@
 #endif // [macOS]
   NSArray<NSString *> *_acceptDragAndDropTypes;
 #if TARGET_OS_OSX // [macOS
+  BOOL _enableFocusRing;
   NSArray<NSPasteboardType> *_readablePasteboardTypes;
 #endif // macOS]
 }
@@ -64,6 +65,7 @@ static RCTUIColor *defaultPlaceholderColor(void) // [macOS]
     // Fix blurry text on non-retina displays.
     self.canDrawSubviewsIntoLayer = YES;
     self.allowsUndo = YES;
+  _enableFocusRing = YES;
 #endif // macOS]
 
     _textInputDelegateAdapter = [[RCTBackedTextViewDelegateAdapter alloc] initWithTextView:self];
@@ -258,6 +260,21 @@ static RCTUIColor *defaultPlaceholderColor(void) // [macOS]
 
   return success;
 }
+
+- (NSFocusRingType)focusRingType
+{
+  return _enableFocusRing ? NSFocusRingTypeDefault : NSFocusRingTypeNone;
+}
+
+- (void)setEnableFocusRing:(BOOL)enableFocusRing
+{
+  if (_enableFocusRing != enableFocusRing) {
+    _enableFocusRing = enableFocusRing;
+  }
+
+  [super setFocusRingType:self.focusRingType];
+  [self setKeyboardFocusRingNeedsDisplayInRect:self.bounds];
+}
 #endif // macOS]
 
 - (void)setDefaultTextAttributes:(NSDictionary<NSAttributedStringKey, id> *)defaultTextAttributes
diff --git a/Libraries/Text/TextInput/Multiline/RCTWrappedTextView.m b/Libraries/Text/TextInput/Multiline/RCTWrappedTextView.m
index ed8f3444b755d97c993a5ee8c991399d177ba45f..5e18d7204bd17934e582673bd1ad81013a24e23b 100644
--- a/Libraries/Text/TextInput/Multiline/RCTWrappedTextView.m
+++ b/Libraries/Text/TextInput/Multiline/RCTWrappedTextView.m
@@ -49,6 +49,9 @@
     _forwardingTextView.textContainer.containerSize = NSMakeSize(FLT_MAX, FLT_MAX);
     _forwardingTextView.textContainer.widthTracksTextView = YES;
     _forwardingTextView.textInputDelegate = self;
+    if ([_forwardingTextView respondsToSelector:@selector(setEnableFocusRing:)]) {
+      [_forwardingTextView setEnableFocusRing:YES];
+    }
     
     _scrollView.documentView = _forwardingTextView;
     _scrollView.contentView.postsBoundsChangedNotifications = YES;
@@ -197,12 +200,19 @@
 
 - (BOOL)enableFocusRing
 {
+  if ([_forwardingTextView respondsToSelector:@selector(enableFocusRing)]) {
+    return [_forwardingTextView enableFocusRing];
+  }
+
   return _scrollView.enableFocusRing;
 }
 
 - (void)setEnableFocusRing:(BOOL)enableFocusRing 
 {
   _scrollView.enableFocusRing = enableFocusRing;
+  if ([_forwardingTextView respondsToSelector:@selector(setEnableFocusRing:)]) {
+    [_forwardingTextView setEnableFocusRing:enableFocusRing];
+  }
 }

For the spacebar loosing the focus:

diff --git a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
index c4bfeb1b9f9acf0926e238fe401e9ce58ed510e0..0f5b99f248085da66e8c87f8a87a20a99d77b152 100644
--- a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
@@ -818,7 +818,10 @@ static NSSet<NSNumber *> *returnKeyTypesSet;
   [_backedTextInputView becomeFirstResponder];
 #else // [macOS
   NSWindow *window = [_backedTextInputView window];
-  [window makeFirstResponder:_backedTextInputView];
+  NSResponder *responder = [_backedTextInputView respondsToSelector:@selector(responder)]
+      ? _backedTextInputView.responder
+      : (NSResponder *)_backedTextInputView;
+  [window makeFirstResponder:responder];
 #endif // macOS]
 
   const auto &props = static_cast<const TextInputProps &>(*_props);
@@ -842,7 +845,10 @@ static NSSet<NSNumber *> *returnKeyTypesSet;
   [_backedTextInputView resignFirstResponder];
 #else // [macOS
   NSWindow *window = [_backedTextInputView window];
-  if ([window firstResponder] == _backedTextInputView.responder) {
+  NSResponder *responder = [_backedTextInputView respondsToSelector:@selector(responder)]
+      ? _backedTextInputView.responder
+      : (NSResponder *)_backedTextInputView;
+  if ([window firstResponder] == responder) {
     [window makeFirstResponder:nil];
   }
 #endif // macOS]
diff --git a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
index 566d598cf95d4e14fd0427703006255b2deeb569..f9a5565125ecc680efbcc578171c6a74bc85e343 100644
--- a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
+++ b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
@@ -35,6 +35,14 @@ void RCTCopyBackedTextInput(
   toTextInput.accessibilityLabel = fromTextInput.accessibilityLabel;
   toTextInput.accessibilityRole = fromTextInput.accessibilityRole;
   toTextInput.autoresizingMask = fromTextInput.autoresizingMask;
+  toTextInput.enableFocusRing = fromTextInput.enableFocusRing;
+  toTextInput.disableKeyboardShortcuts = fromTextInput.disableKeyboardShortcuts;
+  toTextInput.acceptDragAndDropTypes = fromTextInput.acceptDragAndDropTypes;
+  toTextInput.pointScaleFactor = fromTextInput.pointScaleFactor;
+  toTextInput.automaticSpellingCorrectionEnabled = fromTextInput.automaticSpellingCorrectionEnabled;
+  toTextInput.grammarCheckingEnabled = fromTextInput.grammarCheckingEnabled;
+  toTextInput.continuousSpellCheckingEnabled = fromTextInput.continuousSpellCheckingEnabled;
+  [toTextInput setSelectedTextRange:[fromTextInput selectedTextRange] notifyDelegate:NO];
 #endif // macOS]
 #if TARGET_OS_IOS // [macOS] [visionOS]
   toTextInput.inputAccessoryView = fromTextInput.inputAccessoryView;
diff --git a/node_modules/react-native-macos/scripts/.packager.env b/scripts/.packager.env
new file mode 100644
index 0000000000000000000000000000000000000000..361f5fb47d34aca545859cfa4b794257949172b0
--- /dev/null
+++ b/scripts/.packager.env
@@ -0,0 +1 @@
+export RCT_METRO_PORT=8081