Source: https://docs.expo.dev/eas-update/introduction

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EAS Update

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An introduction to EAS Update which is a hosted service for projects using the expo-updates library.

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EAS Update is a hosted service that serves updates for projects using the expo-updates library.

EAS Update makes fixing small bugs and pushing quick fixes a snap in between app store submissions. It accomplishes this by enabling an app to update its own non-native pieces (such as JS, styling, and images) over-the-air.

All apps that include the expo-updates library have the ability to receive updates.

To start using EAS Update, continue to the Getting Started guide.
For a complete tutorial of using EAS Update with other EAS services, refer to the EAS Tutorial .

JS API for update management

Updates JS API

The updates JavaScript API includes a React hook called useUpdates(). This hook provides detailed information about the currently running update and any new updates that are available or have been downloaded. In addition, you can view any errors that were encountered during the update process to help you debug any issues while the app is attempting to update.

The API also provides methods such as checkForUpdateAsync() and fetchUpdateAsync() which allows you to control when your app checks for and downloads updates.

Insight tracking

Website dashboard deployment insights

You'll get a deployments dashboard that helps visualize which updates are being sent to builds. Updates work in concert with insights to provide data on the adoption rates of your updates with your users.

Republish for reverting mistakes

Republishing button on an update

If an update isn't performing as expected, you can republish a previous, stable version on top of the problematic one, much like a new "commit" in version control systems.

Get started

Get started with EAS Update

Learn how to get started with the setup required to configure and use EAS Update in your project. Publish an update

Learn how to publish an update to a specific branch with EAS Update. Preview updates

View your teammate's changes with EAS Update. Use GitHub Actions

Publish an update and preview with a QR code after a commit. Migrate from CodePush

Learn how to migrate from CodePush to EAS Update.