How to specify/upgrade hermes-engine version?

user_4311268 0
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TLDR

After upgrading my ReactNative application to version 0.64.2, app crash on launch. I'm aware that I need to upgrade/specify hermes-engine to 0.7.2. Question is, where can I do this?

Details

Issue: After upgrading React Native to version 0.64.2 and create release type .aab, deploy app to Physical Device. App crash upon launch. Similar issue raised in Github and solution was shared to upgrade hermes-engine version. Seems that, for 0.64.2 would require to specify to the specific hermes-engine, it would otherwise crash.

But where should I upgrade/specify the version?

What I have tried

  1. Manual specify the hermes-engine version ~0.7.2 at node_modules/react-native/package.json . Built .aab file, deploy to physical device. App launched as expected (no crash).

As noted...

by RN team already in their websiteenter image description here

by RN Upgrade Helper enter image description here

react-native-hermes react-native
1 Answers

I guess it should be in npm install. Please try it.

npm i hermes-engine@

Example: Herms for RN 66 npm i hermes-engine@0.9.0

user_38741250
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