pdfToolbox 9.1 adds support for the Processing Steps standard, includes a new version of the Adobe PDF library and extends several main pdfToolbox features, such as the shape technology, place content and process plan. David van Driessche, CTO at Four Pees, held an English webinar to introduce you to pdfToolbox 9.1.
You can download the PDF file of the presentation below. Here is the link to the files used during the webinar, and here is the recording: