letterSpacing property not working properly

Description

When Applying the letterSpacing to style in Text component, it applies the spacing after the character instead of adding space between the characters.

Here is the sample vanila code.

<Text
        style={{
          backgroundColor: 'blue',
          color: 'white',
          fontSize: 18,
          alignSelf: 'center',

          letterSpacing: 30,
          fontVariant: ['tabular-nums'],
        }}
      >
        1/3
      </Text>

Output:

I also tried to apply the fontVariant: ['tabular-nums'], assuming that it may keep the character width same if that's the issue.
But seems that doesn't fix the error.

And this gap keeps increasing when you increase the letterSpacing.

Try 2:

<Text
        style={{
          backgroundColor: 'blue',
          color: 'white',
          fontSize: 18,
          alignSelf: 'center',

          letterSpacing: 90, // <- increased
          fontVariant: ['tabular-nums'],
        }}
      >
        1/3
      </Text>

Output:

And thus How I conclude that it may adds the space after each character instead of gap.

Here is my package.json file's dependencies.

"dependencies": {
    "@medusajs/js-sdk": "2.8.7",
    "@medusajs/types": "2.8.7",
    "@react-native-clipboard/clipboard": "^1.16.3",
    "@react-native-community/geolocation": "^3.4.0",
    "@react-native-documents/picker": "^11.0.0",
    "@react-native-documents/viewer": "^2.0.2",
    "@react-native-firebase/analytics": "^23.4.1",
    "@react-native-firebase/app": "^23.4.1",
    "@react-native-firebase/crashlytics": "^23.4.1",
    "@react-native-firebase/remote-config": "^23.4.1",
    "@react-navigation/bottom-tabs": "^7.4.6",
    "@react-navigation/drawer": "^7.5.7",
    "@react-navigation/native": "^7.1.17",
    "@react-navigation/native-stack": "^7.3.25",
    "@shopify/flash-list": "^2.1.0",
    "@tanstack/react-query": "^5.85.2",
    "dayjs": "^1.11.19",
    "formik": "^2.4.9",
    "i18next": "^25.5.2",
    "jwt-decode": "^4.0.0",
    "lodash": "^4.17.21",
    "patch-package": "^8.0.0",
    "postinstall-postinstall": "^2.1.0",
    "qs": "6.12.0",
    "react": "19.1.0",
    "react-i18next": "^15.7.3",
    "react-native": "0.80.2",
    "react-native-config": "^1.5.6",
    "react-native-fast-image": "^8.6.3",
    "react-native-flash-message": "^0.4.2",
    "react-native-gesture-handler": "^2.28.0",
    "react-native-image-crop-picker": "^0.51.1",
    "react-native-keyboard-aware-scroll-view": "^0.9.5",
    "react-native-keyboard-controller": "^1.19.6",
    "react-native-linear-gradient": "^2.8.3",
    "react-native-mmkv": "^3.3.0",
    "react-native-navigation-bar-color": "^2.0.2",
    "react-native-otp-entry": "^1.8.5",
    "react-native-permissions": "^5.4.4",
    "react-native-reanimated": "^4.0.2",
    "react-native-reanimated-carousel": "^4.0.3",
    "react-native-render-html": "^6.3.4",
    "react-native-safe-area-context": "^5.6.0",
    "react-native-screens": "^4.14.1",
    "react-native-svg": "^15.12.1",
    "react-native-video": "^6.16.1",
    "react-native-worklets": "^0.4.1",
    "yup": "^1.7.1",
    "zustand": "^5.0.7"
  },
  "devDependencies": {
    "@babel/core": "^7.25.2",
    "@babel/preset-env": "^7.25.3",
    "@babel/runtime": "^7.25.0",
    "@commitlint/cli": "^19.8.1",
    "@commitlint/config-conventional": "^19.8.1",
    "@react-native-community/cli": "19.1.1",
    "@react-native-community/cli-platform-android": "19.1.1",
    "@react-native-community/cli-platform-ios": "19.1.1",
    "@react-native/babel-preset": "0.80.2",
    "@react-native/eslint-config": "0.80.2",
    "@react-native/metro-config": "0.80.2",
    "@react-native/typescript-config": "0.80.2",
    "@tanstack/eslint-plugin-query": "^5.83.1",
    "@types/jest": "^29.5.13",
    "@types/lodash": "^4.17.20",
    "@types/react": "^19.1.0",
    "@types/react-test-renderer": "^19.1.0",
    "babel-plugin-module-resolver": "^5.0.2",
    "cspell": "^9.3.2",
    "eslint": "^8.19.0",
    "eslint-plugin-import": "^2.32.0",
    "husky": "^9.1.7",
    "jest": "^29.6.3",
    "lint-staged": "^16.1.5",
    "prettier": "2.8.8",
    "react-native-dotenv": "^3.4.11",
    "react-test-renderer": "19.1.0",
    "reactotron-react-native": "^5.1.15",
    "typescript": "5.0.4"
  },

Steps to reproduce

1. Just paste the code blocks I added in the react native project created with same version as mine.

React Native Version

0.80.2

Affected Platforms

Runtime - Android, Runtime - iOS

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

info Fetching system and libraries information...
System:
  OS: macOS 26.1
  CPU: (10) arm64 Apple M4
  Memory: 162.77 MB / 16.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 22.11.0
    path: ~/.nvm/versions/node/v22.11.0/bin/node
  Yarn:
    version: 3.2.3
    path: ~/.nvm/versions/node/v22.11.0/bin/yarn
  npm:
    version: 10.9.0
    path: ~/.nvm/versions/node/v22.11.0/bin/npm
  Watchman: Not Found
Managers:
  CocoaPods:
    version: 1.16.2
    path: /Users/aditya/.rbenv/shims/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 25.1
      - iOS 26.1
      - macOS 26.1
      - tvOS 26.1
      - visionOS 26.1
      - watchOS 26.1
  Android SDK: Not Found
IDEs:
  Android Studio: 2025.1 AI-251.26094.121.2512.13840223
  Xcode:
    version: 26.1.1/17B100
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 21.0.8
    path: /usr/bin/javac
  Ruby:
    version: 2.7.5
    path: /Users/aditya/.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli":
    installed: 19.1.1
    wanted: 19.1.1
  react:
    installed: 19.1.0
    wanted: 19.1.0
  react-native:
    installed: 0.80.2
    wanted: 0.80.2
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: true
  newArchEnabled: true

info React Native v0.82.1 is now available (your project is running on v0.80.2).
info Changelog: https://github.com/facebook/react-native/releases/tag/v0.82.1
info Diff: https://react-native-community.github.io/upgrade-helper/?from=0.80.2&to=0.82.1
info For more info, check out "https://reactnative.dev/docs/upgrading?os=macos".

Stacktrace or Logs

Not a crash

MANDATORY Reproducer

https://snack.expo.dev/@aditya_thummar/moody-indigo-yogurt

Screenshots and Videos

使用链接的 Snack 和 Text 组件示例在 Android 和 iOS 上重现该报告，并尝试将 letterSpacing 值设为 30 和 90。跟踪 Text 的渲染路径，以确定字符后出现间距的原因，然后验证渲染出的间隔是否符合预期的 letter-spacing 行为。