Mark wrote:

OneNote 2016, the desktop version, is back from the dead.

https://www.thurrott.com/cloud/office-365/221340/microsoft-brings-onenote-2016-back-from-the-dead

The only new feature announced is dark mode, but in a blog post
Microsoft says it is taking requests for new features and will install
it again with Office 365 and Office 2019.

https://techcommunity.microsoft.com/t5/Office-365-Blog/Your-OneNote/ba-p/954922

In the comments a Microsoft employee says the newer Windows 10 app (aka
UWP), which was supposed to replace 2016, "will continue to be
developed, last I heard."

Very interesting news. Thanks for posting.

--Ken