Develop Apps with Ease Using Second-Generation Managed Packages (Generally Available)
Where: This change applies to Lightning Experience and Salesforce Classic in all editions.
When: Second-generation managed packaging is generally available on October 12, 2019.
Who: Users need either the System Administrator profile or the Create and Update Second-Generation Packages permission.
- Distribute second-generation managed packages on AppExchange
- Create package patch versions
- Create post install scripts
- Get expanded metadata coverage
How: To enable second-generation managed packages, first enable Dev Hub. From Setup, enter Dev Hub in the Quick Find box, and select Dev Hub. Then select Enable Dev Hub, and select Enable Unlocked Packages and Second-Generation Managed Packages.