Updf is part of the universe framework. It uses the tcpdf library (I used 6.2.13), which you need to install separately. Updf code was built upon the idea that we should only use html to create a pdf.
Creat Wix Installer from Folder does exactly what is says on the tin. Pass it a folder (and some other options) and it will use Wix to create a deployable MSI from that folder. The original use case ...