This will avoid errors like "Access restriction: The type IEditorFactory is not accessible due to restriction on required project org.adempiere.ui.swing" when developing plugins with a custom Editor Factory for Swing client.
File: org.adempiere.ui.swing/META-INF/MANIFEST.MF (attached modified file)
I close this issue in the Bug Triage. It is checked by me and seems to work well. Thanks, Heng Sin.