The first Notenik release for 2026 is out in the wild, and should be available on the Mac App Store soon, if not already.
There were a few minor tweaks in this release, plus several new Markdown commands that together can be used to populate/modify some of the HTML head metadata generated by Notenik when exporting a Collection as a Web Book.
Details can be found in the Knowledge Base.
As usual, let me know if any questions, comments, problems and/or new feature requests.