Dietrich von Seggern and Akash Choudhary from callas software and David van Driessche from Four Pees are presenting at this year’s PDF Days Europe sharing practical advice on using some of the most used PDF subset standards.

The new PDF/UA Processor LWG’s mission is to establish principles and a framework, and then develop requirements for PDF/UA processors and assistive technology (AT).

Matthias Valvekens explains the difference and respective value of digital signatures vs. MAC-based technology for authenticating PDF files.

Matthias Valvekens, the ISO project leader who led development of ISO 32004, has written a pair of blog posts to explain what ISO 32004 does and does not achieve in leveraging MAC technology for securing encrypted PDF files against tampering.

5 reasons your boss should want you to attend PDF Days Europe 2022 in September!

Tagged PDF is becoming increasingly common. On #GAAD 2022, PDF/UA’s ISO Project Leader takes stock of the progress and highlights what remains.

The PDF Association has updated IANA’s MIME media types registry for FDF, XFDF, PRC and U3D.

Martin Bailey reflects on the history of PDF/X and its impact on production printing and the exchange of documents in PDF workflows.

Non-rectangular links are coming to PDF 2.0! This article offers some background to link technology in PDF and discusses the forthcoming Extension to PDF 2.0.

With the publication of ISO/TS 24064 PDF 2.0 now supports three 3D formats: U3D, PRC and STEP.