I think we (admins) still need the enhanced mode to know exactly which API parameters we can use.
And I agree, I can not get used to that new UI, it is horrible and (like others say) we end up using 'search' all the time to navigate. Is that user-friendly? Not in my opinion.
The explanation that the plugin is no longer compatible says more about the changes in the UI than about the plugin itself. I would say: the skin purposely made changes to no longer support the plugin. Or, I am just guessing, they want to stop supporting it (in the old skin) to save time.
One way or another, we are stuck with this now. No mater how many admins complain, it does not arrive.
I recall having send a suggestion to DA over 2 years a go, and I got a message back that it was a very good idea! And that it was to be scheduled. And it still has not been implemented, so I used Tampermonkey to do it myself. (in the file editor and log viewer, I asked them to add the spellcheck="false" option to the textarea, so we do not get all those jiggly red underlines). And another update long awaited: having 3 DNS servers. Can be done manually only. And is a lot of work to setup correctly.
Back to the CB plugin: I am not going to login on every server just to check if and which newer versions there are. Being able to do this in DA on every server is ever so welcome. I hope this will be kept supported! I tend to not install every minor change in some of the software, otherwise I could just as well set it to auto-update.
With regards to the changelog: updates are forced nowadays so there is no choice for us. And plugins being not the main core of DA software, I still think it is strange support has ended. One of the features which makes the product so versatile. But everyone may think for himself, I am not important.