aspectRatio ignores maxWidth constraint in dimension calculations

Description

When a View has both aspectRatio and maxWidth style properties, the aspect ratio calculation ignores the maxWidth constraint.

While maxWidth is correctly applied to limit the view's final width, aspectRatio appears to compute dimensions based only on explicit or implicit width values, not on the effective constrained width.

Steps to reproduce

1. Create a View with aspectRatio: 3 and either:

• No explicit width (flex-based sizing), or
• Explicit width (e.g., width: 300)
• Add maxWidth: 200 (smaller than effective width) to the same View

2. Observe the aspect ratio is distorted:

• Width correctly capped at 200px
• Height still calculated from original width (300px)
• Resulting ratio ≠ 3

See repro for full example.

React Native Version

0.85.3

Affected Platforms

Runtime - Android

Output of npx @react-native-community/cli info

System:
  OS: macOS 26.5.1
  CPU: (8) arm64 Apple M2
  Memory: 337.28 MB / 16.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 24.14.1
    path: /Users/.../.nvm/versions/node/v24.14.1/bin/node
  Yarn:
    version: 1.22.22
    path: /opt/homebrew/bin/yarn
  npm:
    version: 11.11.0
    path: /Users/.../.nvm/versions/node/v24.14.1/bin/npm
  Watchman:
    version: 2022.11.28.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods:
    version: 1.16.2
    path: /Users/.../.rbenv/shims/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 25.5
      - iOS 26.5
      - macOS 26.5
      - tvOS 26.5
      - visionOS 26.5
      - watchOS 26.5
  Android SDK:
    API Levels:
      - "33"
      - "34"
      - "35"
      - "36"
    Build Tools:
      - 33.0.1
      - 34.0.0
      - 35.0.0
      - 36.0.0
    System Images:
      - android-29 | Google APIs ARM 64 v8a
      - android-37.0 | 16 KB Page Size Google APIs ARM 64 v8a
    Android NDK: Not Found
IDEs:
  Android Studio: 2025.2 AI-252.25557.131.2521.14344949
  Xcode:
    version: 26.5/17F42
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.16
    path: /usr/bin/javac
  Ruby:
    version: 2.7.6
    path: /Users/.../.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli":
    installed: 20.1.0
    wanted: 20.1.0
  react:
    installed: 19.2.3
    wanted: 19.2.3
  react-native:
    installed: 0.85.3
    wanted: 0.85.3
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: true
  newArchEnabled: true

Stacktrace or Logs

-

MANDATORY Reproducer

https://snack.expo.dev/@andreamartinez/aspectratio-react-native-bug

Screenshots and Videos

Observe how aspectRatio always fails when applying a maxWidth, both on iOS and Android.

Inizia con il riproduttore Expo Snack obbligatorio e verifica i casi segnalati che coinvolgono aspectRatio, maxWidth, il dimensionamento basato su flex e una larghezza esplicita su Android. Traccia il calcolo del layout a runtime responsabile di questi vincoli; il lavoro è completato quando una larghezza limitata da maxWidth produce un’altezza che preserva le proporzioni richieste, con una copertura di regressione per i casi del riproduttore.