If you are one of the low level Eclipse/Java people out there and you want to create Eclipse components for Lotus Notes 8.5 you might want to check out the new article on the CA Wiki. There is an extension in the CAE that allows you to contribute your own configuration tab (user interface) to the Advanced Properties dialog for your component. This would make configuring your component as custom as you would like.
If you use the OpenSpan container for native applications you can see the extent to which they customized this dialog. You can check out their demo which shows how to integrate a native application into Lotus Notes.
Referenced article is here.