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FlatList faulty rendering when direction='ltr' in RTL app #55433
FlatList with huge amount of data (around 60 items or more) and style direction: 'ltr' in RTL environment fails to render all of items properly - it skips some of the items, yet list can be scrolled over them.
See the recording for details (comes from a real Android device).
Upon looking into the DOM, it seems like that Flatlist replaces the items with spacer, so it could be a virtualization failure:
Steps to reproduce
Run provided Snack on an Android device
Change app's direction to the RTL
Try to scroll to the left
Notice blank space within the list upon further scrolling, which should've been red
React Native Version
0.83.1
Affected Platforms
Runtime - Android
Output of npx @react-native-community/cli info
System:
OS: Windows 11 10.0.26100
CPU: (20) x64 12th Gen Intel(R) Core(TM) i7-12700
Memory: 6.26 GB / 31.77 GB
Binaries:
Node:
version: 22.16.0
path: C:\Program Files\nodejs\node.EXE
Yarn:
version: 1.22.21
path: C:\Users\IliaVolgin\AppData\Roaming\npm\yarn.CMD
npm:
version: 10.9.2
path: C:\Program Files\nodejs\npm.CMD
Watchman: Not Found
SDKs:
Android SDK:
API Levels:
- "28"
- "30"
- "31"
- "33"
- "34"
- "35"
- "36"
Build Tools:
- 30.0.3
- 33.0.0
- 33.0.1
- 34.0.0
- 35.0.0
- 36.0.0
System Images:
- android-27 | Google Play Intel x86 Atom
- android-28 | Intel x86_64 Atom
- android-30 | AOSP ATD Intel x86_64 Atom
- android-30 | Google Play Intel x86 Atom
- android-31 | Google Play Intel x86_64 Atom
- android-33 | Wear OS 4 Intel x86_64 Atom
- android-33 | Google APIs Intel x86_64 Atom
- android-33 | Google Play Intel x86_64 Atom
- android-34 | Google APIs Intel x86_64 Atom
- android-35-ext15 | Wear OS 5.1 Intel x86_64 Atom
- android-35 | Google Play Intel x86_64 Atom
- android-36.1 | Pre-Release 16 KB Page Size Google Play ARM 64 v8a
- android-36.1 | Pre-Release 16 KB Page Size Google Play Intel x86_64 Atom
- android-36.1 | Pre-Release 16 KB Page Size Google APIs ARM 64 v8a
- android-36.1 | Pre-Release 16 KB Page Size Google APIs Intel x86_64 Atom
- android-36 | Wear OS 6.0 Intel x86_64 Atom
- android-36 | Google Play Intel x86_64 Atom
- android-36 | Pre-Release 16 KB Page Size Google Play Intel x86_64 Atom
Android NDK: Not Found
Windows SDK:
AllowDevelopmentWithoutDevLicense: Disabled
Versions:
- 10.0.19041.0
IDEs:
Android Studio: Not Found
Visual Studio:
- 18.2.11415.280 (Visual Studio Community 2026)
Languages:
Java:
version: 17.0.11
path: C:\Program Files\Common Files\Oracle\Java\javapath\javac.EXE
Ruby: Not Found
npmPackages:
"@react-native-community/cli":
installed: 20.0.0
wanted: 20.0.0
react:
installed: 19.2.0
wanted: 19.2.0
react-native:
installed: 0.83.1
wanted: 0.83.1
react-native-windows: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: true
iOS:
hermesEnabled: Not found
newArchEnabled: Not found
This issue is stale because it has been open for 180 days with no activity. It will be closed in 7 days unless you comment on it or remove the "Stale" label.
Description
FlatList with huge amount of data (around 60 items or more) and style
direction: 'ltr'in RTL environment fails to render all of items properly - it skips some of the items, yet list can be scrolled over them.See the recording for details (comes from a real Android device).
Upon looking into the DOM, it seems like that Flatlist replaces the items with spacer, so it could be a virtualization failure:
Steps to reproduce
React Native Version
0.83.1
Affected Platforms
Runtime - Android
Output of
npx @react-native-community/cli infoStacktrace or Logs
MANDATORY Reproducer
https://snack.expo.dev/@furlupe/rn-flatlist-ltr-rtl-reproducable
Screenshots and Videos
Screen_recording_20260206_110030.mp4