เน็ตบีเอสดี
รายชื่อรุ่นของเน็ตบีเอสดี

| Colour | Meaning |
| --- | --- |
Green: Release still supported
Red: Release no longer supported
| Major releases | Release date | Notable features and changes |
| --- | --- | --- |
| 5.1  | November 19, 2010 |  |
| 5.0  | April 29, 2009 | Rewritten threading subsystem based on a 1:1 model and rewritten scheduler implementation. Support for kernel preemption, POSIX real-time scheduling extensions, processor-sets, and dynamic CPU sets for thread affinity. Added jemalloc memory allocator. A metadata journaling for FFS, known as WAPBL (Write Ahead Physical Block Logging). Rewritten kernel modules framework, which will replace old LKMs. Use of X.Org rather than XFree86 by default for i386 and amd64 ports, and introduction of drm(4)/DRI for 3d hardware acceleration. |
| 4.0 | December 19, 2007 | Added support for slab allocator, iSCSI target, CARP, tmpfs, Xen 3, the Kernel Authorization framework, Veriexec and other security extensions, and a Bluetooth protocol suite. |
| 3.0 | December 23, 2005 | Support for Xen 2.0 was added. Support for filesystems > 2 terabytes added. Pluggable Authentication Modules added. OpenBSD Packet Filter was integrated as an alternative to IPFilter. UFS directory hash support. |
| 2.0 | December 9, 2004 | Addition of native POSIX threads and SMP support on i386 and other platforms. AMD64 architecture added. Support for UFS2 and SMBFS, addition of kqueue. |
| 1.6 | September 14, 2002 | Unified Buffer Cache (UBC) was introduced, which unifies the filesystem and virtual memory caches of file data. Zero-copy support for TCP and UDP transmit path. Ten new platforms supported. New implementation of cross-building (build.sh) infrastructure. Added support for multibyte LC_CTYPE locales. |
| 1.5 | December 6, 2000 | IPv6 and IPsec were added to the network stack. OpenSSL and OpenSSH imported. New implementation of rc.d system start-up mechanism. Start of migration to ELF-format binaries. A ktruss utility for kernel tracing was added. Six new platforms supported, including SPARC64. Added FFS soft updates and support for NTFS. |
| 1.4 | May 12, 1999 | UVM, a rewritten virtual memory subsystem, was introduced. Added RAIDframe, a software RAID implementation, and imported IPFilter. Completion of the integration of all remaining 4.4BSD Lite-2 kernel improvements. Ports to Power Macintosh and NeXTcube/station systems added. Added full USB support. |
| 1.3 | March 9, 1998 | XFree86 source tree was made a supported part of the distribution. Support for ISA Plug and Play, PCMCIA, ATAPI and APM added. ext2fs and FAT32 filesystems added. The pkgsrc packages collection system was introduced. |
| 1.2 | October 4, 1996 | Support for NFSv3, SCSI scanner and medium changer devices added. NTP phase-locked loop added in kernel. Ports for ARM and Sharp X68k systems added. |
| 1.1 | November 26, 1995 | Ports for DEC Alpha, Atari TT/Falcon030 and MVME68k systems added. Binary emulation facility added. Generic audio subsystem introduced. |
| 1.0 | October 26, 1994 | The first multi-platform release, supporting the PC, HP 9000 Series 300, Amiga, 68k Macintosh, Sun-4c series and the PC532. Also in this release, the legally encumbered Net/2-derived source code was replaced with equivalent code from 4.4BSD-lite, in accordance with the USL v BSDi lawsuit settlement. Addition of shared libraries and Kerberos 5. |
| 0.9 | August 20, 1993 | Contained many enhancements and bug fixes. This was still a PC-platform-only release, although by this time work was underway to add support for other architectures. Support for loadable kernel modules (LKM). |
| 0.8 | April 20, 1993 | The first official release, derived from 386BSD 0.1 plus the version 0.2.2 unofficial patchkit, with several programs from the Net/2 release missing from 386BSD re-integrated, and various other improvements. |