From 3c9b3bcdcf0bc59600a3b3fdf63a940947abeba0 Mon Sep 17 00:00:00 2001
From: Yoshi Jaeger <github@jaeger.berlin>
Date: Fri, 19 Dec 2025 20:33:44 +0100
Subject: [PATCH] =?UTF-8?q?fix:=20app=E2=80=91extension=E2=80=91safe=20gua?=
 =?UTF-8?q?rd=20and=20fallback=20in=20RCTFontSizeMultiplier()=20so=20it=20?=
 =?UTF-8?q?returns=20a=20positive=20default=20(1.0)=20when=20UIApplication?=
 =?UTF-8?q?=20(or=20preferred=20content=20size=20category)=20is=20unavaila?=
 =?UTF-8?q?ble=20+=20clamp?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 packages/react-native/React/Base/RCTUtils.mm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/react-native/React/Base/RCTUtils.mm b/packages/react-native/React/Base/RCTUtils.mm
index 8ee80f118520..75ee8161115f 100644
--- a/packages/react-native/React/Base/RCTUtils.mm
+++ b/packages/react-native/React/Base/RCTUtils.mm
@@ -378,7 +378,14 @@ CGFloat RCTFontSizeMultiplier(void)
     };
   });
 
-  return mapping[RCTSharedApplication().preferredContentSizeCategory].floatValue;
+  UIApplication *application = RCTSharedApplication();
+  if (!application) {
+    return 1.0;
+  }
+
+  NSNumber *value = mapping[application.preferredContentSizeCategory];
+  CGFloat multiplier = value != nil ? value.floatValue : 1.0;
+  return multiplier > 0.0 ? multiplier : 1.0;
 }
 
 UIDeviceOrientation RCTDeviceOrientation(void)