Originally published in July, 2017, ISO 32000-2 is the first PDF specification developed within the ISO working-group structure. It enhances the 'recipe' for PDF in several ways, including clarifications, new and improved features, various deprecations, and much more.
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The initial edition of PDF 2.0 was the culmination of nine years of work by a dedicated group of approximately 30 subject-matter experts from around the world. PDF 2.0 is a refinement, not a replacement, of the venerable PDF format, originally published and made freely available by Adobe Systems since 1993.
One major difference as compared with previous versions of PDF; since ISO holds the copyright PDF 2.0 is not freely downloadable. Unlike previous PDF specifications ISO 32000-2 PDF 2.0 is an open standard. Any subject-matter expert who is a member of the PDF Association (an ISO Category A Liaison organization) or whose country is a member of ISO's TC 171 SC 2 can join other experts and help determine the nature and direction of the world’s de facto electronic document format.
A dated revision of PDF 2.0 is currently being finalized by the subject matter experts in the responsible ISO committee, ISO TC 171 SC 2 WG 8. This revision will soon replace the original 2017 edition as it includes a number of corrections and improvements from early adopters, as described here. The Final Draft International Standard (FDIS) of this dated revision of ISO 32000-2 will be available shortly.
Pdf 2.0 Adobe Acrobat
The PDF Association also maintains an archive of documents, many originally published by Adobe Systems, used as normative references (and thus necessary to complete implementation) in ISO 32000-2. Many of these documents are freely downloadable. A current list of PDF-related ISO work is maintained here.