I would love to see a full example of a new section in v16 with tree / detail panel

[Rockerby]

Nothing more to say, all in the title!

[LottePitcher]

Hey @Rockerby thanks for this suggestion!

For anyone who wants to give this a go, there is an example of the frontend work required here:
https://github.com/umbraco/Umbraco-CMS/tree/main/src/Umbraco.Web.UI.Client/examples/tree

If you haven't seen this "Playground" before, you can read more about how to work with them here:
https://docs.umbraco.com/umbraco-cms/customizing/examples-and-playground