Lightning Apr 2026

: A critical security layer that blocks requests to unknown servers, ensuring all external scripts and images are loaded from trusted domains.

: Recent updates in the Summer '25 release focus on making the knowledge base faster and more user-friendly with smarter info delivery. Developer Learning Path Lightning

For developers and administrators, "Lightning" refers to the modern UI framework and component-based development system. : A critical security layer that blocks requests

: Learn modern JavaScript and the Lightning Design System (SLDS) for consistent UI. Lightning

: A drag-and-drop tool for creating professional communications within Salesforce or Pardot .