Lightning Components: Simplified Reactivity, Style Lightning Web Components with Custom Aura Design Tokens, Source Tracking for Lightning Web Components in Scratch Orgs

All fields in a Lightning web component are now reactive. Use a custom Aura design token in Lightning web components. Track changes for Lightning web components in a scratch org when you use Salesforce command-line interface (CLI). We improved controls for Content Security Policy (CSP) and we have several critical updates.
Note

Note

Looking for new and changed Lightning web components, Aura components, and Aura component interfaces? We consolidated the lists of new and changed items at the end of the Development section.