The following table lists new information that has been added to or changed in this documentation. Moreover, when writing a device driver, you will want to take into consideration these particular changes that can affect the downward compatibility of these items.
┌───────────────────────────┬─────────────┬──────────────────────────────────┐ │Item Added or Changed │Date Item │Compatible with Version │ │ │Added or │ │ │ │Changed │ │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_DBE_FONTMANAGEMENT │June 1996 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │Dynamic Job Property │June 1996 │OS/2 Warp, FixPak XR_W017 and │ │DevEscape interface in │ │higher │ │Mandatory and Simulated │ │ │ │Graphics Engine Function │ │ │ │Reference │ │ │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │BIDI APIs in Device Support│November 1995│OS/2 Warp, Version 3 and higher │ │Function Reference │ │ │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │BIDI command structures in │November 1995│OS/2 Warp, Version 3 and higher │ │BIDI Command Structures and│ │ │ │Command Flow │ │ │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_ACQUIREFB │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_DEACQUIREFB │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_EXTGET │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_EXTPUT │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_EXTQUERY │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_GETAPERTURE │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_HWREQUEST │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_QUERYFB │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_REGISTER │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_SWITCHBANK │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │DEVESC_VRAMALLOC │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │QueryDeviceSurface* │April 1995 │OS/2 Warp, Version 3 and higher │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │SDBitBlit* │September │OS/2 Warp, Version 3 and higher │ │ │1994 │ │ ├───────────────────────────┼─────────────┼──────────────────────────────────┤ │SDLine* │September │OS/2 Warp, Version 3 and higher │ │ │1994 │ │ └───────────────────────────┴─────────────┴──────────────────────────────────┘
Note: *A fix pack to make these functions work on OS/2 2.11 available in late 1995.