Is it possible to define an external Jupyter renderer for IPython Notebook Viewer for Confluence?

It is not possible to define an external renderer. The rendering happens with JavaScript on the client for the cloud and server app.

• Page:
  How to enable debug logging for Confluence apps
• Page:
  java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
• Page:
  App ignores proxy setting
• Page:
  App’s settings page gives status 500 directly after installing when using MySQL/MariaDB
• Page:
  Unable to start the plugin container / OSGi cache corruption in Bitbucket