Intl supportedValuesOf crashes
Author: philipheinserCreated Feb 9, 2023Updated Aug 16, 2026
Labelsenhancement
Bug Description
Having Intl.supportedValuesOf('timeZone') in your code base crashes since supportedValuesOf is not a function.
- I have run
gradle cleanand confirmed this bug does not occur with JSC
Hermes version: the one coming with rn 0.71.2 React Native version (if any): 0.71.2 OS version (if any): android Platform (most likely one of arm64-v8a, armeabi-v7a, x86, x86_64):
Steps To Reproduce
add Intl.supportedValuesOf('timeZone') to a react native app and run on android with Hermes enabled.
code example:
The Expected Behavior
returning a array of supported timezone strings like jsc.
Source: facebook/hermes