Winter ’21 release highlights

For App Builders

1. Performance Analysis in App Builder
2. sharingModel field of an object
3. Re-usable flow screen components
4. Dynamic form in Lightning App Builder
5. Debug Flow errors in Sandbox org as another user
6. Before Save Updates in Flows

For Developers

1. WITH SECURITY_ENFORCED in SOQL
2. Manage Platform Event Trigger Subscriptions from the User Interface
3. Code Coverage Enforcement for Unlocked Packages
4. Send Custom Notifications from Apex
5. Make Apex Callouts After Publishing Platform Event Messages
6. The @track Decorator Is No Longer Required for Lightning Web Components
7. Communicate Across Salesforce UI Technologies with Lightning Message Service
8. Check User Permissions for Lightning Web Components
9. Shorten Visualforce URLs
10. Enforce Field- and Object-Level Security with Security.StripInaccessible
11. Use the Safe Navigation Operator to Avoid Null Pointer Exceptions