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Base Lightning Component Limitations in LWR Sites

In LWR sites for Experience Cloud, you can use most of the components in the Lightning Component Library, but there are some limitations.

The lightning-input-field component (including when it’s used within another component):

  • Doesn’t support lookup search in LWR sites viewed on desktop computer
  • Is unsupported in LWR sites viewed on mobile devices

These components and events are unsupported:

  • lightning-emp-api
  • lightningsnapin components
  • platform-show-toast-event, but you can use toast-container

These features are unsupported:

  • Opening files, as described in Open Files in the Lightning Web Components Developer Guide
  • Using panels or modals

See an example of lightning-messageService in codeSamples/messageService in the code sample files.

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