3. New OS dependent features

See the Release Notes for non-OS dependent new features in XFree86 4.0.2.

3.1. New OS dependent features in 4.0.2

• Support for the OpenBSD ports tree,
• Preliminary support for the powerpc architecture (clients build and work, the server doesn't work yet),
• xdm now writes an utmp entry,
• startx now creates an Xauthority magic cookie for the display.

3.2. New OS dependent features in 4.0.1

• Several features from the OpenBSD X11 tree were merged into xdm:
  • support for Kerberos IV authentication
  • use the arc4random(4) random number generator
  • add a new resource "allowRootLogin", which can be used to disable root logins through xdm
  • log failed logins to syslogd
  • verify that the shell is valid using /etc/shell
  • verify that the account hasn't expired
• The Xsun server can be built again on OpenBSD/sparc.

3.3. New OS dependent features in 4.0

• Multi-thread safe libraries are built by default on OpenBSD 2.6 and later,
• Preliminary APM support.

3.4. New OS dependent features in 3.9.18

• Support for USB mices has been added on OpenBSD.
• Soft-booting secondary cards through the int10 BIOS interface is now possible using the x86emu real mode emulator.

3.5. New OS dependent features in 3.9.17

• Silken mouse is supported for serial mices, and, under post 2.6 OpenBSD-current for PS/2 mices.
• MTRR Write Combining is enabled under post 2.6 OpenBSD-current.