Common Extension Blueprints
NOTE: The new frontend system is in alpha and is only supported by a small number of plugins.
This section covers many of the extension blueprints available at your disposal when building Backstage frontend plugins.
Built-in extension blueprints
These are the extension blueprints provided by the Backstage frontend framework itself.
Api - Reference
An API extension is used to add or override Utility API factories in the app. They are commonly used by plugins for both internal and shared APIs. There are also many built-in Api extensions provided by the framework that you are able to override.