This is a beta release of documentation for Magento 2.4, published for previewing soon-to-be-released functionality. Content in this version is subject to change. Links to the v2.4 code base may not properly resolve until the code is officially released.

Component development

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Magento 2 is flexible and as a result has varied functionality, so developing a component in Magento takes into account a number of different of the following topics. Please read the information on compatibility — Service Contracts, Design Patterns, and the information on Dependency Injection, Routing, and Working With Public Interfaces and APIs closely; they are essential to creating a good Magento 2 component.

Compatibility (backward and forward)
- Service contracts
- Design patterns
Working with public interfaces and APIs
Object manager and dependency injection
Code generation
EAV attributes
Plug-ins (aka interceptors)
Routing
Indexing
Configure a service as a web API
ViewModels