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

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.

PDF Association’s CTO, Peter Wyatt discusses text strings in PDF.

Almost every email client can save email messages as PDF files, but none do so in a manner that retains email structures or metadata proving message authenticity. The EA-PDF specification development effort will explore a better way.

This freely-available PDF file includes 8 test cases that only render correctly if the abbreviated key name is used. If the full key name is used then something else happens (precisely what is implementation dependent!).

PDF issues has been redesigned based on industry feedback: all resolved errata are now published via https://pdf-issues.pdfa.org.

Antenna House Formatter supports requirements for Japanese layouts from basic to advanced compositions.

The developer of MuPDF, Artifex Software, has announced the release of its MuPDF 1.19.0.

We have enhanced the PDF Association’s Feature Support pages to be driven by members’ product and services showcase listings on pdfa.org.