First-Generation Managed Packaging Developer Guide

First-Generation Managed Packages
Why Switch to Second-Generation Managed Packaging?
Set Up Your Environments for First-Generation Managed Packages
Developer Hub
Scratch Org Allocations for Partners
Enable Dev Hub Features in Your Org
Add Salesforce DX Users
Free Limited Access License
Manage Scratch Orgs from the Dev Hub Org
Link a Namespace to a Dev Hub Org
Supported Scratch Org Editions for Partners
Environment Hub
Register a Namespace for a First-Generation Managed Package
Create a First-Generation Managed Package Using a UI
Create a First-Generation Managed Package using Salesforce DX
Components Available in First-Generation Managed Packages
Package and Test Your First-Generation Managed Package
Update Your First-Generation Managed Package
Publish Upgrades to First-Generation Managed Packages
Manage Licenses for Managed Packages
Manage Features in First-Generation Managed Packages
AppExchange App Analytics for First-Generation Managed Packages
Developing and Distributing Unmanaged Packages
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Developer Hub

The Developer Hub (Dev Hub) lets you create and manage scratch orgs. The scratch org is a source-driven and disposable deployment of Salesforce code and metadata, made for developers and automation. A scratch org is fully configurable, allowing developers to emulate different Salesforce editions with different features and preferences. Scratch orgs are a central feature of Salesforce DX, an open developer experience for developing and managing Salesforce apps across their entire lifecycle.
Available in: Lightning Experience
Available in: Developer,Enterprise, Performance, and Unlimited Editions

To work with scratch orgs, you must first enable the Dev Hub in your Partner Business Org (PBO). You then use the Salesforce command-line interface (CLI) to create scratch orgs.

Use the Dev Hub to manage scratch orgs. Continue using the Environment Hub to manage other types of orgs, including production and trial orgs.

Note