Sneak Peak at Referentiality within Confluence

Thank you for elaborating on your use case and let me assure you that our Ecosystem team does not have any plans to remove the option to use custom ui. We are building multiple User Experience paths for Referentiality: use of ContextualToolbar and use of RightContextPanel. They are functionally similar in their ability to provide data to the Target app; however the latter would provide for better configuration of the Referentiality chain. With the Developer Preview of Referentiality released, you can try it on your test instance.