| PDF Specification Version: | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 |
|---|---|---|---|---|---|
| Number of pages (2005): | 390 | 696 | 978 | 1172 | 1236 |
The table above shows five different versions of Adobe's Portable Document Format (PDF). Each was released with its own software package; however, Adobe has relinquished control of PDF 1.7 and any future versions to ISO, who confirmed it in 2008 as an international standard (ISO 32000-1).