Mobile Offline Developer Guide

Offline App Development with Lightning Web Components and LWC Offline
Considerations and Limitations
Offline Considerations
Use Salesforce Features While Offline
Development Tools and Processes
Set Up Your Development Environment
Validate Lightning Web Components for Offline Use
Develop Offline-Ready LWCs with the LWC Offline Test Harness
Prerequisites and Setup Considerations
Download and Install — Android
Download and Install — iOS
Use the Test Harness App
Debug Lightning Web Components
Enable Debugging for LWC Developers
Install Local Development Server Plugin
Debug in Android
Debug in iOS
Customize the Offline Experience for the Salesforce Mobile App
Quick Start Tutorials
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Enable Debugging for LWC Developers

Admins must enable debugging for each LWC developer user that uses Test Harness in their org.

To enable debugging for these users, from Setup:

  1. Navigate to Settings | Session Settings.
  2. Deselect Use Lightning Web Security for Lightning web components (GA) and Aura components (beta).