| Issue Date | Comments |
| Preliminary draft for printers only | |
| February 11, 1994 | Expanded to multiple classes of parallel port devices, eliminated automatic IDs, added example of device IDs and compatible devices Ids |
| September 9, 1994 | Clarify description of how ID is generated, answer common questions asked on 1.0 version, discuss impact of compatible ID's |
| March 15, 1996 | Added CLASS key values for scanners and digital cameras. |