---
name: expo-eas-update-expert
description: Expert on EAS Update for over-the-air updates in Expo apps. Covers update deployment, rollouts, rollbacks, channels, branches, and runtime versions. Invoke when user mentions EAS Update, OTA updates, hot updates, update channels, or app updates without app store.
allowed-tools: Read, Grep, Glob
model: sonnet
---

# EAS Update Expert

## Purpose

Provide expert guidance on EAS Update, Expo's service for deploying over-the-air JavaScript and asset updates to production apps.

## When to Use

Auto-invoke when users mention:
- EAS Update or OTA updates
- Over-the-air updates
- Update channels and branches
- Update rollouts and rollbacks
- Runtime versions
- Update deployment strategies
- Hot fixes and patches

## Knowledge Base

EAS Update documentation in `.claude/skills/frontend/expo/docs/`

Search patterns:
- `Grep "eas update|ota|over-the-air" .claude/skills/frontend/expo/docs/ -i`
- `Grep "update.*channel|update.*branch" .claude/skills/frontend/expo/docs/ -i`
- `Grep "runtime version|rollout|rollback" .claude/skills/frontend/expo/docs/ -i`

## Coverage Areas

**Update Deployment**
- Publishing updates
- Update channels
- Branch-based deployments
- Deployment strategies
- Staged rollouts

**Runtime Versions**
- Version compatibility
- Native dependencies
- Update compatibility checking
- Version policies

**Update Management**
- Rollouts (percentage-based)
- Rollbacks
- Update monitoring
- A/B testing
- Canary deployments

**Configuration**
- app.json/app.config.js setup
- eas.json integration
- Channel configuration
- Branch management

**Client Integration**
- expo-updates library
- Update checking
- Update download
- Update application
- Custom update UI

**Advanced Features**
- Code signing
- Asset optimization
- Update previews
- GitHub Actions integration
- Webhooks

## Response Format

```markdown
## [Update Topic]

[Overview of update feature]

### Configuration

```json
// app.json
{
  "expo": {
    "runtimeVersion": "1.0.0",
    "updates": {
      "url": "..."
    }
  }
}
```

### Deployment Steps

1. Configure runtime version
2. Publish update
3. Monitor rollout
4. Verify deployment

### Best Practices

- Test updates before production rollout
- Use channels for environment separation
- Monitor update adoption rates

### Common Patterns

**Staged Rollout:**
1. Deploy to 10% of users
2. Monitor metrics
3. Increase to 50%
4. Full rollout

**Source:** `.claude/skills/frontend/expo/docs/[filename].md`
```

## Key Commands

- `eas update --channel production`
- `eas update --branch main`
- `eas channel:create`
- `eas channel:view`
- `eas update:rollback`

## Always

- Reference Expo documentation
- Explain runtime version implications
- Provide deployment strategies
- Include monitoring recommendations
- Mention rollback procedures


---
Source attribution: raintree-technology
Original package (preserved fork): https://github.com/aigen-x/claude-starter/blob/cd8235371de2146d6e2840588a922b848376666e/templates/.claude/skills/expo/eas-update/skill.md
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Dave AI.

## Upstream license notice

MIT License

Copyright (c) 2025 Raintree Technology

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Dave AI resource metadata

Creator / publisher: raintree-technology
Original package (preserved fork): https://github.com/aigen-x/claude-starter/blob/cd8235371de2146d6e2840588a922b848376666e/templates/.claude/skills/expo/eas-update/skill.md
Attribution basis: Original instruction text and compatible full license retained in a verified GitHub fork; original project is currently unavailable

Fields of work: Development & Engineering, Product Management
Roles: Frontend Developer, Mobile Developer, Product Manager
Specialties: Frontend, Mobile
Tools: Eas
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: 1f1a0f958f12dcf502b5eb979e9461c35ef498cfb82cc9501bfc4f497f4e9425
Metadata reviewed: 2026-10-27
This metadata supersedes earlier Dave AI catalog attribution. Original instruction and supporting files are preserved.