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React Native 0.60: Autolinking, CocoaPods Integration, and Hermes JS Engine Previews

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React Native 0.60

Evaluating React Native 0.60's developer workflow improvements, native dependency management, and Hermes JavaScript engine preview for enterprise mobile applications.

VP
SHIVAM ITCSLead AI Architect
·31 July 2019·12 min read·47 views
React Native 0.60: Autolinking, CocoaPods Integration, and Hermes JS Engine Previews

Introduction

React Native has matured into one of the most widely adopted cross-platform mobile development frameworks, enabling organizations to deliver native Android and iOS applications using a shared JavaScript codebase. Enterprises have increasingly adopted the framework for internal business applications, customer-facing mobile experiences, field service solutions, healthcare platforms, retail applications, and financial services.

As React Native adoption has expanded, developer productivity has become just as important as runtime performance. Installing native modules, maintaining platform-specific configuration, and keeping Android and iOS dependencies synchronized have historically required significant manual effort, particularly in larger enterprise projects.

React Native 0.60 focuses on improving the overall development experience through automatic native module linking, official CocoaPods integration for iOS, migration toward AndroidX, and preview support for the Hermes JavaScript engine. Rather than introducing a new programming model, this release simplifies day-to-day development while laying the foundation for future performance improvements.

As of July 2019, React Native 0.60 represents an important modernization release for organizations maintaining production mobile applications.

Industry Background

Enterprise mobile development increasingly emphasizes:

  • Cross-platform development
  • Continuous Integration and Continuous Delivery
  • Native device capabilities
  • Component reuse
  • Faster release cycles
  • Automated dependency management
  • Performance optimization

Development teams require tooling that reduces manual configuration while preserving access to native platform capabilities.

The Business Problem

Organizations building React Native applications commonly encounter:

  • Manual native library linking
  • Complex iOS dependency management
  • Android support library migration challenges
  • Inconsistent project configuration
  • Long onboarding times for new developers
  • Large application startup times

Reducing configuration overhead allows engineering teams to focus more directly on delivering business functionality.

Understanding React Native 0.60

React Native 0.60 introduces several important platform improvements:

  • Automatic native module linking
  • CocoaPods integration
  • AndroidX support
  • Hermes JavaScript engine preview
  • Dependency management improvements
  • Updated development tooling

These enhancements target productivity, maintainability, and future platform scalability.

Core Architecture

ComponentResponsibility
React Native RuntimeCoordinates JavaScript and native execution
JavaScript EngineExecutes application logic
BridgeFacilitates communication between JavaScript and native code
Native ModulesAccess platform-specific APIs
CocoaPodsiOS dependency management
Android Build SystemCompiles Android applications

These components continue providing a shared development model while preserving access to native operating system capabilities.

Automatic Native Module Linking

One of the most significant improvements in React Native 0.60 is Autolinking.

Historically, installing native libraries often required developers to modify Android and iOS project files manually.

Typical manual tasks included:

  • Updating Gradle configuration
  • Editing Xcode projects
  • Registering native packages
  • Updating build scripts

Autolinking automates much of this process by discovering compatible native modules and integrating them into the application build.

Benefits include:

  • Reduced configuration effort
  • Fewer integration errors
  • Faster project setup
  • Improved developer productivity

For enterprise teams managing numerous native dependencies, this represents a substantial workflow improvement.

CocoaPods Integration

React Native 0.60 introduces first-class CocoaPods integration for iOS projects.

CocoaPods has become the standard dependency manager for many native iOS projects.

Official integration provides:

  • Consistent dependency resolution
  • Simplified native library installation
  • Improved compatibility with iOS development workflows
  • Better integration with existing Apple tooling

Organizations already maintaining native iOS applications can more easily align React Native projects with established development practices.

AndroidX Migration

The Android ecosystem continues evolving toward AndroidX libraries.

React Native 0.60 improves compatibility with this migration by supporting modern Android project structures.

Potential enterprise benefits include:

  • Better alignment with current Android development practices
  • Improved library compatibility
  • Simplified dependency management
  • Easier maintenance over time

Development teams planning platform upgrades should validate third-party package compatibility during migration.

Hermes JavaScript Engine Preview

gradle
// android/app/build.gradle enabling optimized Hermes JS Engine in React Native 0.60
project.ext.react = [
    entryFile: "index.js",
    enableHermes: true  // Compile JS code to bytecode at build-time to reduce start-up latency
]

def hermesEnabled = project.ext.react.get("enableHermes", false);

Another notable addition is preview support for the Hermes JavaScript engine on Android.

Hermes is designed specifically for React Native workloads with goals including:

  • Faster application startup
  • Reduced memory consumption
  • Optimized JavaScript execution for mobile devices
System architecture diagram and conceptual workflow layout for React Native 0.60.

System architecture diagram and conceptual workflow layout for React Native 0.60.

As of July 2019, Hermes remains an optional preview capability intended for evaluation rather than universal production deployment.

Organizations should benchmark application behavior before adopting an alternative JavaScript engine.

Application Startup Workflow

A typical React Native 0.60 application startup includes:

  1. 1.Native application launches.
  2. 2.JavaScript engine initializes.
  3. 3.Native modules are registered.
  4. 4.React Native bridge becomes available.
  5. 5.JavaScript application loads.
  6. 6.User interface renders.

Where Hermes is enabled, organizations should evaluate startup behavior using representative production scenarios.

Enterprise Use Cases

ScenarioBenefit
Internal Business ApplicationsFaster onboarding through Autolinking
Customer Mobile AppsSimplified dependency management
Retail ApplicationsConsistent iOS package management
Healthcare SolutionsImproved project maintainability
Enterprise Mobility PlatformsStandardized native integration
Shared Component LibrariesEasier module installation

Large engineering teams benefit from reducing manual configuration across multiple applications.

Performance Considerations

Development teams should evaluate:

  • Application startup time
  • JavaScript initialization
  • Memory utilization
  • Native bridge communication
  • Dependency resolution during builds
  • Build duration

Hermes should be benchmarked against existing JavaScript engine configurations before broad production deployment.

Security Considerations

React Native 0.60 does not fundamentally change application security practices.

Organizations should continue implementing:

  • Secure API communication
  • Authentication
  • Authorization
  • Certificate validation
  • Dependency governance
  • Secure mobile application deployment

Dependency automation should be complemented by regular package auditing and version management.

Scalability

React Native 0.60 improves scalability through:

  • Automated native dependency management
  • Standardized iOS package integration
  • Modern Android compatibility
  • Improved developer workflows

These capabilities reduce maintenance overhead as enterprise mobile portfolios continue expanding.

Best Practices

Organizations adopting React Native 0.60 should:

  • Migrate projects incrementally.
  • Verify native module compatibility with Autolinking.
  • Standardize CocoaPods usage across iOS projects.
  • Validate AndroidX compatibility for third-party libraries.
  • Benchmark Hermes before production adoption.
  • Update continuous integration pipelines.
  • Maintain comprehensive mobile testing.
  • Document migration procedures for development teams.

Incremental modernization minimizes operational disruption while improving long-term maintainability.

Common Mistakes

Development teams should avoid:

  • Assuming every third-party native library immediately supports Autolinking.
  • Enabling Hermes without application benchmarking.
  • Skipping CocoaPods dependency updates.
  • Ignoring AndroidX migration requirements.
  • Upgrading production applications without regression testing.
  • Mixing legacy and modern dependency management approaches within the same project.

Successful upgrades depend on disciplined testing and controlled rollout strategies.

Technology Comparison

CapabilityReact Native 0.59React Native 0.60
Manual Native LinkingRequired for many librariesAutolinking introduced
CocoaPods IntegrationLimited workflowFirst-class support
AndroidX SupportMigration effort requiredImproved compatibility
Hermes JavaScript EngineNot availablePreview support (Android)
Dependency ManagementMore manualMore automated
Enterprise OnboardingMore configurationSimplified setup

React Native 0.60 emphasizes developer productivity while preparing the framework for future platform improvements.

Adoption Strategy

Organizations should approach migration methodically.

A recommended strategy includes:

  1. 1.Inventory native dependencies.
  2. 2.Upgrade development environments.
  3. 3.Test Autolinking with existing modules.
  4. 4.Validate CocoaPods integration on iOS.
  5. 5.Verify AndroidX compatibility.
  6. 6.Evaluate Hermes using representative workloads.
  7. 7.Roll out upgrades incrementally across production applications.

A phased migration allows engineering teams to validate compatibility while minimizing operational risk.

Limitations

As of July 2019, organizations should recognize several considerations.

Current observations include:

  • Hermes remains a preview capability intended for evaluation.
  • Some third-party native modules may require migration work.
  • AndroidX compatibility should be verified across all dependencies.
  • Comprehensive regression testing remains essential before production deployment.

React Native 0.60 primarily modernizes development workflows rather than fundamentally changing the framework's architecture.

Looking Ahead

React Native 0.60 marks an important step in the framework's evolution by reducing manual configuration, standardizing native dependency management, and introducing promising runtime improvements through the Hermes JavaScript engine preview. Automatic native module linking, official CocoaPods integration, and AndroidX support simplify enterprise mobile development while improving maintainability across large application portfolios.

As of July 2019, enterprise architects should evaluate React Native 0.60 as a productivity-focused upgrade that streamlines development processes while providing a foundation for future performance enhancements. Organizations that combine disciplined migration planning, comprehensive testing, and measured adoption of preview technologies will be well positioned to modernize their cross-platform mobile development practices.

VP
Vijay Paliwal
Founder, SHIVAM ITCS · 18+ years enterprise & AI engineering
MCA · Ex-HiveGPT USA · Ex-Social27 Seattle

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React Native 0.60: Autolinking, CocoaPods Integration, and Hermes JS Engine Previews | SHIVAM ITCS Blog | SHIVAM ITCS