FreeBSD Porter's Handbook
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# 12.5 __FreeBSD_version values

Here is a convenient list of `__FreeBSD_version` values as defined in sys/param.h:

Table 12-1. __FreeBSD_version values

Value | Date | Release
--- | --- | ---
119411 |  | 2.0-RELEASE
199501, 199503 | March 19, 1995 | 2.1-CURRENT
199504 | April 9, 1995 | 2.0.5-RELEASE
199508 | August 26, 1995 | 2.2-CURRENT before 2.1
199511 | November 10, 1995 | 2.1.0-RELEASE
199512 | November 10, 1995 | 2.2-CURRENT before 2.1.5
199607 | July 10, 1996 | 2.1.5-RELEASE
199608 | July 12, 1996 | 2.2-CURRENT before 2.1.6
199612 | November 15, 1996 | 2.1.6-RELEASE
199612 |  | 2.1.7-RELEASE
220000 | February 19, 1997 | 2.2-RELEASE
(not changed) |  | 2.2.1-RELEASE
(not changed) |  | 2.2-STABLE after 2.2.1-RELEASE
221001 | April 15, 1997 | 2.2-STABLE after texinfo-3.9
221002 | April 30, 1997 | 2.2-STABLE after top
222000 | May 16, 1997 | 2.2.2-RELEASE
222001 | May 19, 1997 | 2.2-STABLE after 2.2.2-RELEASE
225000 | October 2, 1997 | 2.2.5-RELEASE
225001 | November 20, 1997 | 2.2-STABLE after 2.2.5-RELEASE
225002 | December 27, 1997 | 2.2-STABLE after ldconfig -R merge
226000 | March 24, 1998 | 2.2.6-RELEASE
227000 | July 21, 1998 | 2.2.7-RELEASE
227001 | July 21, 1998 | 2.2-STABLE after 2.2.7-RELEASE
227002 | September 19, 1998 | 2.2-STABLE after semctl(2) change
228000 | November 29, 1998 | 2.2.8-RELEASE
228001 | November 29, 1998 | 2.2-STABLE after 2.2.8-RELEASE
300000 | February 19, 1996 | 3.0-CURRENT before mount(2) change
300001 | September 24, 1997 | 3.0-CURRENT after mount(2) change
300002 | June 2, 1998 | 3.0-CURRENT after semctl(2) change
300003 | June 7, 1998 | 3.0-CURRENT after ioctl arg changes
300004 | September 3, 1998 | 3.0-CURRENT after ELF conversion
300005 | October 16, 1998 | 3.0-RELEASE
300006 | October 16, 1998 | 3.0-CURRENT after 3.0-RELEASE
300007 | January 22, 1999 | 3.0-STABLE after 3/4 branch
310000 | February 9, 1999 | 3.1-RELEASE
310001 | March 27, 1999 | 3.1-STABLE after 3.1-RELEASE
310002 | April 14, 1999 | 3.1-STABLE after C++ constructor/destructor order change
320000 |  | 3.2-RELEASE
320001 | May 8, 1999 | 3.2-STABLE
320002 | August 29, 1999 | 3.2-STABLE after binary-incompatible IPFW and socket changes
330000 | September 2, 1999 | 3.3-RELEASE
330001 | September 16, 1999 | 3.3-STABLE
330002 | November 24, 1999 | 3.3-STABLE after adding mkstemp(3) to libc
340000 | December 5, 1999 | 3.4-RELEASE
340001 | December 17, 1999 | 3.4-STABLE
350000 | June 20, 2000 | 3.5-RELEASE
350001 | July 12, 2000 | 3.5-STABLE
400000 | January 22, 1999 | 4.0-CURRENT after 3.4 branch
400001 | February 20, 1999 | 4.0-CURRENT after change in dynamic linker handling
400002 | March 13, 1999 | 4.0-CURRENT after C++ constructor/destructor order change
400003 | March 27, 1999 | 4.0-CURRENT after functioning dladdr(3)
400004 | April 5, 1999 | 4.0-CURRENT after __deregister_frame_info dynamic linker bug fix (also 4.0-CURRENT after EGCS 1.1.2 integration)
400005 | April 27, 1999 | 4.0-CURRENT after suser(9) API change (also 4.0-CURRENT after newbus)
400006 | May 31, 1999 | 4.0-CURRENT after cdevsw registration change
400007 | June 17, 1999 | 4.0-CURRENT after the addition of so_cred for socket level credentials
400008 | June 20, 1999 | 4.0-CURRENT after the addition of a poll syscall wrapper to libc_r
400009 | July 20, 1999 | 4.0-CURRENT after the change of the kernel's `dev_t` type to `struct specinfo` pointer
400010 | September 25, 1999 | 4.0-CURRENT after fixing a hole in jail(2)
400011 | September 29, 1999 | 4.0-CURRENT after the `sigset_t` datatype change
400012 | November 15, 1999 | 4.0-CURRENT after the cutover to the GCC 2.95.2 compiler
400013 | December 4, 1999 | 4.0-CURRENT after adding pluggable linux-mode ioctl handlers
400014 | January 18, 2000 | 4.0-CURRENT after importing OpenSSL
400015 | January 27, 2000 | 4.0-CURRENT after the C++ ABI change in GCC 2.95.2 from -fvtable-thunks to -fno-vtable-thunks by default
400016 | February 27, 2000 | 4.0-CURRENT after importing OpenSSH
400017 | March 13, 2000 | 4.0-RELEASE
400018 | March 17, 2000 | 4.0-STABLE after 4.0-RELEASE
400019 | May 5, 2000 | 4.0-STABLE after the introduction of delayed checksums.
400020 | June 4, 2000 | 4.0-STABLE after merging libxpg4 code into libc.
400021 | July 8, 2000 | 4.0-STABLE after upgrading Binutils to 2.10.0, ELF branding changes, and tcsh in the base system.
410000 | July 14, 2000 | 4.1-RELEASE
410001 | July 29, 2000 | 4.1-STABLE after 4.1-RELEASE
410002 | September 16, 2000 | 4.1-STABLE after setproctitle(3) moved from libutil to libc.
411000 | September 25, 2000 | 4.1.1-RELEASE
411001 |  | 4.1.1-STABLE after 4.1.1-RELEASE
420000 | October 31, 2000 | 4.2-RELEASE
420001 | January 10, 2001 | 4.2-STABLE after combining libgcc.a and libgcc_r.a, and associated GCC linkage changes.
430000 | March 6, 2001 | 4.3-RELEASE
430001 | May 18, 2001 | 4.3-STABLE after wint_t introduction.
430002 | July 22, 2001 | 4.3-STABLE after PCI powerstate API merge.
440000 | August 1, 2001 | 4.4-RELEASE
440001 | October 23, 2001 | 4.4-STABLE after d_thread_t introduction.
440002 | November 4, 2001 | 4.4-STABLE after mount structure changes (affects filesystem klds).
440003 | December 18, 2001 | 4.4-STABLE after the userland components of smbfs were imported.
450000 | December 20, 2001 | 4.5-RELEASE
450001 | February 24, 2002 | 4.5-STABLE after the usb structure element rename.
450004 | April 16, 2002 | 4.5-STABLE after the `sendmail_enable` rc.conf(5) variable was made to take the value `NONE`.
450005 | April 27, 2002 | 4.5-STABLE after moving to XFree86 4 by default for package builds.
450006 | May 1, 2002 | 4.5-STABLE after accept filtering was fixed so that is no longer susceptible to an easy DoS.
460000 | June 21, 2002 | 4.6-RELEASE
460001 | June 21, 2002 | 4.6-STABLE sendfile(2) fixed to comply with documentation, not to count any headers sent against the amount of data to be sent from the file.
460002 | July 19, 2002 | 4.6.2-RELEASE
460100 | June 26, 2002 | 4.6-STABLE
460101 | June 26, 2002 | 4.6-STABLE after MFC of `sed -i'.
460102 | September 1, 2002 | 4.6-STABLE after MFC of many new pkg_install features from the HEAD.
470000 | October 8, 2002 | 4.7-RELEASE
470100 | October 9, 2002 | 4.7-STABLE
470101 | November 10, 2002 | Start generated __std{in,out,err}p references rather than __sF. This changes std{in,out,err} from a compile time expression to a runtime one.
470102 | January 23, 2003 | 4.7-STABLE after MFC of mbuf changes to replace m_aux mbufs by m_tag's
470103 | February 14, 2003 | 4.7-STABLE gets OpenSSL 0.9.7
480000 | March 30, 2003 | 4.8-RELEASE
480100 | April 5, 2003 | 4.8-STABLE
480101 | May 22, 2003 | 4.8-STABLE after realpath(3) has been made thread-safe
480102 | August 10, 2003 | 4.8-STABLE 3ware API changes to twe.
490000 | October 27, 2003 | 4.9-RELEASE
490100 | October 27, 2003 | 4.9-STABLE
490101 | January 8, 2004 | 4.9-STABLE after e_sid was added to struct kinfo_eproc.
490102 | February 4, 2004 | 4.9-STABLE after MFC of libmap functionality for rtld.
491000 | May 25, 2004 | 4.10-RELEASE
491100 | June 1, 2004 | 4.10-STABLE
491101 | August 11, 2004 | 4.10-STABLE after MFC of revision 20040629 of the package tools
491102 | November 16, 2004 | 4.10-STABLE after VM fix dealing with unwiring of fictitious pages
492000 | December 17, 2004 | 4.11-RELEASE
492100 | December 17, 2004 | 4.11-STABLE
492101 | April 18, 2006 | 4.11-STABLE after adding libdata/ldconfig directories to mtree files.
500000 | March 13, 2000 | 5.0-CURRENT
500001 | April 18, 2000 | 5.0-CURRENT after adding addition ELF header fields, and changing our ELF binary branding method.
500002 | May 2, 2000 | 5.0-CURRENT after kld metadata changes.
500003 | May 18, 2000 | 5.0-CURRENT after buf/bio changes.
500004 | May 26, 2000 | 5.0-CURRENT after binutils upgrade.
500005 | June 3, 2000 | 5.0-CURRENT after merging libxpg4 code into libc and after TASKQ interface introduction.
500006 | June 10, 2000 | 5.0-CURRENT after the addition of AGP interfaces.
500007 | June 29, 2000 | 5.0-CURRENT after Perl upgrade to 5.6.0
500008 | July 7, 2000 | 5.0-CURRENT after the update of KAME code to 2000/07 sources.
500009 | July 14, 2000 | 5.0-CURRENT after ether_ifattach() and ether_ifdetach() changes.
500010 | July 16, 2000 | 5.0-CURRENT after changing mtree defaults back to original variant, adding -L to follow symlinks.
500011 | July 18, 2000 | 5.0-CURRENT after kqueue API changed.
500012 | September 2, 2000 | 5.0-CURRENT after setproctitle(3) moved from libutil to libc.
500013 | September 10, 2000 | 5.0-CURRENT after the first SMPng commit.
500014 | January 4, 2001 | 5.0-CURRENT after <sys/select.h> moved to <sys/selinfo.h>.
500015 | January 10, 2001 | 5.0-CURRENT after combining libgcc.a and libgcc_r.a, and associated GCC linkage changes.
500016 | January 24, 2001 | 5.0-CURRENT after change allowing libc and libc_r to be linked together, deprecating -pthread option.
500017 | February 18, 2001 | 5.0-CURRENT after switch from struct ucred to struct xucred to stabilize kernel-exported API for mountd et al.
500018 | February 24, 2001 | 5.0-CURRENT after addition of CPUTYPE make variable for controlling CPU-specific optimizations.
500019 | June 9, 2001 | 5.0-CURRENT after moving machine/ioctl_fd.h to sys/fdcio.h
500020 | June 15, 2001 | 5.0-CURRENT after locale names renaming.
500021 | June 22, 2001 | 5.0-CURRENT after Bzip2 import. Also signifies removal of S/Key.
500022 | July 12, 2001 | 5.0-CURRENT after SSE support.
500023 | September 14, 2001 | 5.0-CURRENT after KSE Milestone 2.
500024 | October 1, 2001 | 5.0-CURRENT after d_thread_t, and moving UUCP to ports.
500025 | October 4, 2001 | 5.0-CURRENT after ABI change for descriptor and creds passing on 64 bit platforms.
500026 | October 9, 2001 | 5.0-CURRENT after moving to XFree86 4 by default for package builds, and after the new libc strnstr() function was added.
500027 | October 10, 2001 | 5.0-CURRENT after the new libc strcasestr() function was added.
500028 | December 14, 2001 | 5.0-CURRENT after the userland components of smbfs were imported.
(not changed) |  | 5.0-CURRENT after the new C99 specific-width integer types were added.
500029 | January 29, 2002 | 5.0-CURRENT after a change was made in the return value of sendfile(2).
500030 | February 15, 2002 | 5.0-CURRENT after the introduction of the type `fflags_t`, which is the appropriate size for file flags.
500031 | February 24, 2002 | 5.0-CURRENT after the usb structure element rename.
500032 | March 16, 2002 | 5.0-CURRENT after the introduction of Perl 5.6.1.
500033 | April 3, 2002 | 5.0-CURRENT after the `sendmail_enable` rc.conf(5) variable was made to take the value `NONE`.
500034 | April 30, 2002 | 5.0-CURRENT after mtx_init() grew a third argument.
500035 | May 13, 2002 | 5.0-CURRENT with Gcc 3.1.
500036 | May 17, 2002 | 5.0-CURRENT without Perl in /usr/src
500037 | May 29, 2002 | 5.0-CURRENT after the addition of dlfunc(3)
500038 | July 24, 2002 | 5.0-CURRENT after the types of some struct sockbuf members were changed and the structure was reordered.
500039 | September 1, 2002 | 5.0-CURRENT after GCC 3.2.1 import. Also after headers stopped using _BSD_FOO_T_ and started using _FOO_T_DECLARED. This value can also be used as a conservative estimate of the start of bzip2(1) package support.
500040 | September 20, 2002 | 5.0-CURRENT after various changes to disk functions were made in the name of removing dependency on disklabel structure internals.
500041 | October 1, 2002 | 5.0-CURRENT after the addition of getopt_long(3) to libc.
500042 | October 15, 2002 | 5.0-CURRENT after Binutils 2.13 upgrade, which included new FreeBSD emulation, vec, and output format.
500043 | November 1, 2002 | 5.0-CURRENT after adding weak pthread_XXX stubs to libc, obsoleting libXThrStub.so. 5.0-RELEASE.
500100 | January 17, 2003 | 5.0-CURRENT after branching for RELENG_5_0
500101 | February 19, 2003 | <sys/dkstat.h> is empty and should not be included.
500102 | February 25, 2003 | 5.0-CURRENT after the d_mmap_t interface change.
500103 | February 26, 2003 | 5.0-CURRENT after taskqueue_swi changed to run without Giant, and taskqueue_swi_giant added to run with Giant.
500104 | February 27, 2003 | cdevsw_add() and cdevsw_remove() no longer exists. Appearance of MAJOR_AUTO allocation facility.
500105 | March 4, 2003 | 5.0-CURRENT after new cdevsw initialization method.
500106 | March 8, 2003 | devstat_add_entry() has been replaced by devstat_new_entry()
500107 | March 15, 2003 | Devstat interface change; see sys/sys/param.h 1.149
500108 | March 15, 2003 | Token-Ring interface changes.
500109 | March 25, 2003 | Addition of vm_paddr_t.
500110 | March 28, 2003 | 5.0-CURRENT after realpath(3) has been made thread-safe
500111 | April 9, 2003 | 5.0-CURRENT after usbhid(3) has been synced with NetBSD
500112 | April 17, 2003 | 5.0-CURRENT after new NSS implementation and addition of POSIX.1 getpw*_r, getgr*_r functions
500113 | May 2, 2003 | 5.0-CURRENT after removal of the old rc system.
501000 | June 4, 2003 | 5.1-RELEASE.
501100 | June 2, 2003 | 5.1-CURRENT after branching for RELENG_5_1.
501101 | June 29, 2003 | 5.1-CURRENT after correcting the semantics of sigtimedwait(2) and sigwaitinfo(2).
501102 | July 3, 2003 | 5.1-CURRENT after adding the lockfunc and lockfuncarg fields to bus_dma_tag_create(9).
501103 | July 31, 2003 | 5.1-CURRENT after GCC 3.3.1-pre 20030711 snapshot integration.
501104 | August 5, 2003 | 5.1-CURRENT 3ware API changes to twe.
501105 | August 17, 2003 | 5.1-CURRENT dynamically-linked /bin and /sbin support and movement of libraries to /lib.
501106 | September 8, 2003 | 5.1-CURRENT after adding kernel support for Coda 6.x.
501107 | September 17, 2003 | 5.1-CURRENT after 16550 UART constants moved from `<dev/sio/sioreg.h>` to `<dev/ic/ns16550.h>`. Also when libmap functionality was unconditionally supported by rtld.
501108 | September 23, 2003 | 5.1-CURRENT after PFIL_HOOKS API update
501109 | September 27, 2003 | 5.1-CURRENT after adding kiconv(3)
501110 | September 28, 2003 | 5.1-CURRENT after changing default operations for open and close in cdevsw
501111 | October 16, 2003 | 5.1-CURRENT after changed layout of cdevsw
501112 | October 16, 2003 | 5.1-CURRENT after adding kobj multiple inheritance
501113 | October 31, 2003 | 5.1-CURRENT after the if_xname change in struct ifnet
501114 | November 16, 2003 | 5.1-CURRENT after changing /bin and /sbin to be dynamically linked
502000 | December 7, 2003 | 5.2-RELEASE
502010 | February 23, 2004 | 5.2.1-RELEASE
502100 | December 7, 2003 | 5.2-CURRENT after branching for RELENG_5_2
502101 | December 19, 2003 | 5.2-CURRENT after __cxa_atexit/__cxa_finalize functions were added to libc.
502102 | January 30, 2004 | 5.2-CURRENT after change of default thread library from libc_r to libpthread.
502103 | February 21, 2004 | 5.2-CURRENT after device driver API megapatch.
502104 | February 25, 2004 | 5.2-CURRENT after getopt_long_only() addition.
502105 | March 5, 2004 | 5.2-CURRENT after NULL is made into ((void *)0) for C, creating more warnings.
502106 | March 8, 2004 | 5.2-CURRENT after pf is linked to the build and install.
502107 | March 10, 2004 | 5.2-CURRENT after time_t is changed to a 64-bit value on sparc64.
502108 | March 12, 2004 | 5.2-CURRENT after Intel C/C++ compiler support in some headers and execve(2) changes to be more strictly conforming to POSIX.
502109 | March 22, 2004 | 5.2-CURRENT after the introduction of the bus_alloc_resource_any API
502110 | March 27, 2004 | 5.2-CURRENT after the addition of UTF-8 locales
502111 | April 11, 2004 | 5.2-CURRENT after the removal of the getvfsent(3) API
502112 | April 13, 2004 | 5.2-CURRENT after the addition of the .warning directive for make.
502113 | June 4, 2004 | 5.2-CURRENT after ttyioctl() was made mandatory for serial drivers.
502114 | June 13, 2004 | 5.2-CURRENT after import of the ALTQ framework.
502115 | June 14, 2004 | 5.2-CURRENT after changing sema_timedwait(9) to return 0 on success and a non-zero error code on failure.
502116 | June 16, 2004 | 5.2-CURRENT after changing kernel dev_t to be pointer to struct cdev *.
502117 | June 17, 2004 | 5.2-CURRENT after changing kernel udev_t to dev_t.
502118 | June 17, 2004 | 5.2-CURRENT after adding support for CLOCK_VIRTUAL and CLOCK_PROF to clock_gettime(2) and clock_getres(2).
502119 | June 22, 2004 | 5.2-CURRENT after changing network interface cloning overhaul.
502120 | July 2, 2004 | 5.2-CURRENT after the update of the package tools to revision 20040629.
502121 | July 9, 2004 | 5.2-CURRENT after marking Bluetooth code as non-i386 specific.
502122 | July 11, 2004 | 5.2-CURRENT after the introduction of the KDB debugger framework, the conversion of DDB into a backend and the introduction of the GDB backend.
502123 | July 12, 2004 | 5.2-CURRENT after change to make VFS_ROOT take a struct thread argument as does vflush. Struct kinfo_proc now has a user data pointer. The switch of the default X implementation to `xorg` was also made at this time.
502124 | July 24, 2004 | 5.2-CURRENT after the change to separate the way ports rc.d and legacy scripts are started.
502125 | July 28, 2004 | 5.2-CURRENT after the backout of the previous change.
502126 | July 31, 2004 | 5.2-CURRENT after the removal of kmem_alloc_pageable() and the import of gcc 3.4.2.
502127 | August 2, 2004 | 5.2-CURRENT after changing the UMA kernel API to allow ctors/inits to fail.
502128 | August 8, 2004 | 5.2-CURRENT after the change of the vfs_mount signature as well as global replacement of PRISON_ROOT with SUSER_ALLOWJAIL for the suser(9) API.
503000 | August 23, 2004 | 5.3-BETA/RC before the pfil API change
503001 | September 22, 2004 | 5.3-RELEASE
503100 | October 16, 2004 | 5.3-STABLE after branching for RELENG_5_3
503101 | December 3, 2004 | 5.3-STABLE after addition of glibc style strftime(3) padding options.
503102 | February 13, 2005 | 5.3-STABLE after OpenBSD's nc(1) import MFC.
503103 | February 27, 2005 | 5.4-PRERELEASE after the MFC of the fixes in `<src/include/stdbool.h>` and `<src/sys/i386/include/_types.h>` for using the GCC-compatibility of the Intel C/C++ compiler.
503104 | February 28, 2005 | 5.4-PRERELEASE after the MFC of the change of ifi_epoch from wall clock time to uptime.
503105 | March 2, 2005 | 5.4-PRERELEASE after the MFC of the fix of EOVERFLOW check in vswprintf(3).
504000 | April 3, 2005 | 5.4-RELEASE.
504100 | April 3, 2005 | 5.4-STABLE after branching for RELENG_5_4
504101 | May 11, 2005 | 5.4-STABLE after increasing the default thread stacksizes
504102 | June 24, 2005 | 5.4-STABLE after the addition of sha256
504103 | October 3, 2005 | 5.4-STABLE after the MFC of if_bridge
504104 | November 13, 2005 | 5.4-STABLE after the MFC of bsdiff and portsnap
504105 | January 17, 2006 | 5.4-STABLE after MFC of ldconfig_local_dirs change.
505000 | May 12, 2006 | 5.5-RELEASE.
505100 | May 12, 2006 | 5.5-STABLE after branching for RELENG_5_5
600000 | August 18, 2004 | 6.0-CURRENT
600001 | August 27, 2004 | 6.0-CURRENT after permanently enabling PFIL_HOOKS in the kernel.
600002 | August 30, 2004 | 6.0-CURRENT after initial addition of ifi_epoch to struct if_data. Backed out after a few days. Do not use this value.
600003 | September 8, 2004 | 6.0-CURRENT after the re-addition of the ifi_epoch member of struct if_data.
600004 | September 29, 2004 | 6.0-CURRENT after addition of the struct inpcb argument to the pfil API.
600005 | October 5, 2004 | 6.0-CURRENT after addition of the "-d DESTDIR" argument to newsyslog.
600006 | November 4, 2004 | 6.0-CURRENT after addition of glibc style strftime(3) padding options.
600007 | December 12, 2004 | 6.0-CURRENT after addition of 802.11 framework updates.
600008 | January 25, 2005 | 6.0-CURRENT after changes to VOP_*VOBJECT() functions and introduction of MNTK_MPSAFE flag for Giantfree filesystems.
600009 | February 4, 2005 | 6.0-CURRENT after addition of the cpufreq framework and drivers.
600010 | February 6, 2005 | 6.0-CURRENT after importing OpenBSD's nc(1).
600011 | February 12, 2005 | 6.0-CURRENT after removing semblance of SVID2 `matherr()` support.
600012 | February 15, 2005 | 6.0-CURRENT after increase of default thread stacks' size.
600013 | February 19, 2005 | 6.0-CURRENT after fixes in `<src/include/stdbool.h>` and `<src/sys/i386/include/_types.h>` for using the GCC-compatibility of the Intel C/C++ compiler.
600014 | February 21, 2005 | 6.0-CURRENT after EOVERFLOW checks in vswprintf(3) fixed.
600015 | February 25, 2005 | 6.0-CURRENT after changing the struct if_data member, ifi_epoch, from wall clock time to uptime.
600016 | February 26, 2005 | 6.0-CURRENT after LC_CTYPE disk format changed.
600017 | February 27, 2005 | 6.0-CURRENT after NLS catalogs disk format changed.
600018 | February 27, 2005 | 6.0-CURRENT after LC_COLLATE disk format changed.
600019 | February 28, 2005 | Installation of acpica includes into /usr/include.
600020 | March 9, 2005 | Addition of MSG_NOSIGNAL flag to send(2) API.
600021 | March 17, 2005 | Addition of fields to cdevsw
600022 | March 21, 2005 | Removed gtar from base system.
600023 | April 13, 2005 | LOCAL_CREDS, LOCAL_CONNWAIT socket options added to unix(4).
600024 | April 19, 2005 | hwpmc(4) and related tools added to 6.0-CURRENT.
600025 | April 26, 2005 | struct icmphdr added to 6.0-CURRENT.
600026 | May 3, 2005 | pf updated to 3.7.
600027 | May 6, 2005 | Kernel libalias and ng_nat introduced.
600028 | May 13, 2005 | POSIX ttyname_r(3) made available through unistd.h and libc.
600029 | May 29, 2005 | 6.0-CURRENT after libpcap updated to v0.9.1 alpha 096.
600030 | June 5, 2005 | 6.0-CURRENT after importing NetBSD's if_bridge(4).
600031 | June 10, 2005 | 6.0-CURRENT after struct ifnet was broken out of the driver softcs.
600032 | July 11, 2005 | 6.0-CURRENT after the import of libpcap v0.9.1.
600033 | July 25, 2005 | 6.0-STABLE after bump of all shared library versions that had not been changed since RELENG_5.
600034 | August 13, 2005 | 6.0-STABLE after credential argument is added to dev_clone event handler. 6.0-RELEASE.
600100 | November 1, 2005 | 6.0-STABLE after 6.0-RELEASE
600101 | December 21, 2005 | 6.0-STABLE after incorporating scripts from the local_startup directories into the base rcorder(8).
600102 | December 30, 2005 | 6.0-STABLE after updating the ELF types and constants.
600103 | January 15, 2006 | 6.0-STABLE after MFC of pidfile(3) API.
600104 | January 17, 2006 | 6.0-STABLE after MFC of ldconfig_local_dirs change.
600105 | February 26, 2006 | 6.0-STABLE after NLS catalog support of csh(1).
601000 | May 6, 2006 | 6.1-RELEASE
601100 | May 6, 2006 | 6.1-STABLE after 6.1-RELEASE.
601101 | June 22, 2006 | 6.1-STABLE after the import of csup.
601102 | July 11, 2006 | 6.1-STABLE after the iwi(4) update.
601103 | July 17, 2006 | 6.1-STABLE after the resolver update to BIND9, and exposure of reentrant version of netdb functions.
601104 | August 8, 2006 | 6.1-STABLE after DSO (dynamic shared objects) support has been enabled in OpenSSL.
601105 | September 2, 2006 | 6.1-STABLE after 802.11 fixups changed the api for the IEEE80211_IOC_STA_INFO ioctl.
602000 | November 15, 2006 | 6.2-RELEASE
602100 | September 15, 2006 | 6.2-STABLE after 6.2-RELEASE.
602101 | December 12, 2006 | 6.2-STABLE after the addition of Wi-Spy quirk.
602102 | December 28, 2006 | 6.2-STABLE after pci_find_extcap() addition.
602103 | January 16, 2007 | 6.2-STABLE after MFC of dlsym change to look for a requested symbol both in specified dso and its implicit dependencies.
602104 | January 28, 2007 | 6.2-STABLE after MFC of ng_deflate(4) and ng_pred1(4) netgraph nodes and new compression and encryption modes for ng_ppp(4) node.
602105 | February 20, 2007 | 6.2-STABLE after MFC of BSD licensed version of gzip(1) ported from NetBSD.
602106 | March 31, 2007 | 6.2-STABLE after MFC of PCI MSI and MSI-X support.
602107 | April 6, 2007 | 6.2-STABLE after MFC of ncurses 5.6 and wide character support.
602108 | April 11, 2007 | 6.2-STABLE after MFC of CAM 'SG' peripheral device, which implements a subset of Linux SCSI SG passthrough device API.
602109 | April 17, 2007 | 6.2-STABLE after MFC of readline 5.2 patchset 002.
602110 | May 2, 2007 | 6.2-STABLE after MFC of pmap_invalidate_cache(), pmap_change_attr(), pmap_mapbios(), pmap_mapdev_attr(), and pmap_unmapbios() for amd64 and i386.
602111 | June 11, 2007 | 6.2-STABLE after MFC of BOP_BDFLUSH and caused breakage of the filesystem modules KBI.
602112 | September 21, 2007 | 6.2-STABLE after libutil(3) MFC's.
602113 | October 25, 2007 | 6.2-STABLE after MFC of wide and single byte ctype separation. Newly compiled binary that references to ctype.h may require a new symbol, __mb_sb_limit, which is not available on older systems.
602114 | October 30, 2007 | 6.2-STABLE after ctype ABI forward compatibility restored.
602115 | November 21, 2007 | 6.2-STABLE after back out of wide and single byte ctype separation.
603000 | November 25, 2007 | 6.3-RELEASE
603100 | November 25, 2007 | 6.3-STABLE after 6.3-RELEASE.
603101 | December 7, 2007 | 6.3-STABLE after fixing multibyte type support in bit macro.
603102 | April 24, 2008 | 6.3-STABLE after adding l_sysid to struct flock.
603103 | May 27, 2008 | 6.3-STABLE after MFC of the `memrchr` function.
603104 | June 15, 2008 | 6.3-STABLE after MFC of support for `:u` variable modifier in make(1).
604000 | October 4, 2008 | 6.4-RELEASE
604100 | October 4, 2008 | 6.4-STABLE after 6.4-RELEASE.
700000 | July 11, 2005 | 7.0-CURRENT.
700001 | July 23, 2005 | 7.0-CURRENT after bump of all shared library versions that had not been changed since RELENG_5.
700002 | August 13, 2005 | 7.0-CURRENT after credential argument is added to dev_clone event handler.
700003 | August 25, 2005 | 7.0-CURRENT after memmem(3) is added to libc.
700004 | October 30, 2005 | 7.0-CURRENT after solisten(9) kernel arguments are modified to accept a backlog parameter.
700005 | November 11, 2005 | 7.0-CURRENT after IFP2ENADDR() was changed to return a pointer to IF_LLADDR().
700006 | November 11, 2005 | 7.0-CURRENT after addition of `if_addr` member to `struct ifnet` and IFP2ENADDR() removal.
700007 | December 2, 2005 | 7.0-CURRENT after incorporating scripts from the local_startup directories into the base rcorder(8).
700008 | December 5, 2005 | 7.0-CURRENT after removal of MNT_NODEV mount option.
700009 | December 19, 2005 | 7.0-CURRENT after ELF-64 type changes and symbol versioning.
700010 | December 20, 2005 | 7.0-CURRENT after addition of hostb and vgapci drivers, addition of pci_find_extcap(), and changing the AGP drivers to no longer map the aperture.
700011 | December 31, 2005 | 7.0-CURRENT after tv_sec was made time_t on all platforms but Alpha.
700012 | January 8, 2006 | 7.0-CURRENT after ldconfig_local_dirs change.
700013 | January 12, 2006 | 7.0-CURRENT after changes to `/etc/rc.d/abi` to support `/compat/linux/etc/ld.so.cache` being a symlink in a readonly filesystem.
700014 | January 26, 2006 | 7.0-CURRENT after pts import.
700015 | March 26, 2006 | 7.0-CURRENT after the introduction of version 2 of hwpmc(4)'s ABI.
700016 | April 22, 2006 | 7.0-CURRENT after addition of fcloseall(3) to libc.
700017 | May 13, 2006 | 7.0-CURRENT after removal of ip6fw.
700018 | July 15, 2006 | 7.0-CURRENT after import of snd_emu10kx.
700019 | July 29, 2006 | 7.0-CURRENT after import of OpenSSL 0.9.8b.
700020 | September 3, 2006 | 7.0-CURRENT after addition of bus_dma_get_tag function
700021 | September 4, 2006 | 7.0-CURRENT after libpcap 0.9.4 and tcpdump 3.9.4 import.
700022 | September 9, 2006 | 7.0-CURRENT after dlsym change to look for a requested symbol both in specified dso and its implicit dependencies.
700023 | September 23, 2006 | 7.0-CURRENT after adding new sound IOCTLs for the OSSv4 mixer API.
700024 | September 28, 2006 | 7.0-CURRENT after import of OpenSSL 0.9.8d.
700025 | November 11, 2006 | 7.0-CURRENT after the addition of libelf.
700026 | November 26, 2006 | 7.0-CURRENT after major changes on sound sysctls.
700027 | November 30, 2006 | 7.0-CURRENT after the addition of Wi-Spy quirk.
700028 | December 15, 2006 | 7.0-CURRENT after the addition of sctp calls to libc
700029 | January 26, 2007 | 7.0-CURRENT after the GNU gzip(1) implementation was replaced with a BSD licensed version ported from NetBSD.
700030 | February 7, 2007 | 7.0-CURRENT after the removal of IPIP tunnel encapsulation (VIFF_TUNNEL) from the IPv4 multicast forwarding code.
700031 | February 23, 2007 | 7.0-CURRENT after the modification of bus_setup_intr() (newbus).
700032 | March 2, 2007 | 7.0-CURRENT after the inclusion of ipw(4) and iwi(4) firmwares.
700033 | March 9, 2007 | 7.0-CURRENT after the inclusion of ncurses wide character support.
700034 | March 19, 2007 | 7.0-CURRENT after changes to how insmntque(), getnewvnode(), and vfs_hash_insert() work.
700035 | March 26, 2007 | 7.0-CURRENT after addition of a notify mechanism for CPU frequency changes.
700036 | April 6, 2007 | 7.0-CURRENT after import of the ZFS filesystem.
700037 | April 8, 2007 | 7.0-CURRENT after addition of CAM 'SG' peripheral device, which implements a subset of Linux SCSI SG passthrough device API.
700038 | April 30, 2007 | 7.0-CURRENT after changing getenv(3), putenv(3), setenv(3) and unsetenv(3) to be POSIX conformant.
700039 | May 1, 2007 | 7.0-CURRENT after the changes in 700038 were backed out.
700040 | May 10, 2007 | 7.0-CURRENT after the addition of flopen(3) to libutil.
700041 | May 13, 2007 | 7.0-CURRENT after enabling symbol versioning, and changing the default thread library to libthr.
700042 | May 19, 2007 | 7.0-CURRENT after the import of gcc 4.2.0.
700043 | May 21, 2007 | 7.0-CURRENT after bump of all shared library versions that had not been changed since RELENG_6.
700044 | June 7, 2007 | 7.0-CURRENT after changing the argument for vn_open()/VOP_OPEN() from filedescriptor index to the struct file *.
700045 | June 10, 2007 | 7.0-CURRENT after changing pam_nologin(8) to provide an account management function instead of an authentication function to the PAM framework.
700046 | June 11, 2007 | 7.0-CURRENT after updated 802.11 wireless support.
700047 | June 11, 2007 | 7.0-CURRENT after adding TCP LRO interface capabilities.
700048 | June 12, 2007 | 7.0-CURRENT after RFC 3678 API support added to the IPv4 stack. Legacy RFC 1724 behavior of the IP_MULTICAST_IF ioctl has now been removed; 0.0.0.0/8 may no longer be used to specify an interface index. struct ipmreqn should be used instead.
700049 | July 3, 2007 | 7.0-CURRENT after importing pf from OpenBSD 4.1
(not changed) |  | 7.0-CURRENT after adding IPv6 support for FAST_IPSEC, deleting KAME IPSEC, and renaming FAST_IPSEC to IPSEC.
700050 | July 4, 2007 | 7.0-CURRENT after converting setenv/putenv/etc. calls from traditional BSD to POSIX.
700051 | July 4, 2007 | 7.0-CURRENT after adding new mmap/lseek/etc syscalls.
700052 | July 6, 2007 | 7.0-CURRENT after moving I4B headers to include/i4b.
700053 | September 30, 2007 | 7.0-CURRENT after the addition of support for PCI domains
700054 | October 25, 2007 | 7.0-CURRENT after MFC of wide and single byte ctype separation.
700055 | October 28, 2007 | 7.0-RELEASE, and 7.0-CURRENT after ABI backwards compatibility to the FreeBSD 4/5/6 versions of the PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs was MFC'ed, which required the ABI of the PCIOCGETCONF IOCTL to be broken again
700100 | December 22, 2007 | 7.0-STABLE after 7.0-RELEASE
700101 | February 8, 2008 | 7.0-STABLE after the MFC of m_collapse().
700102 | March 30, 2008 | 7.0-STABLE after the MFC of kdb_enter_why().
700103 | April 10, 2008 | 7.0-STABLE after adding l_sysid to struct flock.
700104 | April 11, 2008 | 7.0-STABLE after the MFC of procstat(1).
700105 | April 11, 2008 | 7.0-STABLE after the MFC of umtx features.
700106 | April 15, 2008 | 7.0-STABLE after the MFC of write(2) support to psm(4).
700107 | April 20, 2008 | 7.0-STABLE after the MFC of F_DUP2FD command to fcntl(2).
700108 | May 5, 2008 | 7.0-STABLE after some lockmgr(9) changes, which makes it necessary to include `sys/lock.h` in order to use lockmgr(9).
700109 | May 27, 2008 | 7.0-STABLE after MFC of the `memrchr` function.
700110 | August 5, 2008 | 7.0-STABLE after MFC of kernel NFS lockd client.
700111 | August 20, 2008 | 7.0-STABLE after addition of physically contiguous jumbo frame support.
700112 | August 27, 2008 | 7.0-STABLE after MFC of kernel DTrace support.
701000 | November 25, 2008 | 7.1-RELEASE
701100 | November 25, 2008 | 7.1-STABLE after 7.1-RELEASE.
701101 | January 10, 2009 | 7.1-STABLE after `strndup` merge.
701102 | January 17, 2009 | 7.1-STABLE after cpuctl(4) support added.
701103 | February 7, 2009 | 7.1-STABLE after the merge of multi-/no-IPv4/v6 jails.
701104 | February 14, 2009 | 7.1-STABLE after the store of the suspension owner in the struct mount, and introduction of vfs_susp_clean method into the struct vfsops.
701105 | March 12, 2009 | 7.1-STABLE after the incompatible change to the kern.ipc.shmsegs sysctl to allow to allocate larger SysV shared memory segments on 64bit architectures.
701106 | March 14, 2009 | 7.1-STABLE after the merge of a fix for POSIX semaphore wait operations.
702000 | April 15, 2009 | 7.2-RELEASE
702100 | April 15, 2009 | 7.2-STABLE after 7.2-RELEASE.
702101 | May 15, 2009 | 7.2-STABLE after ichsmb(4) was changed to use left-adjusted slave addressing to match other SMBus controller drivers.
702102 | May 28, 2009 | 7.2-STABLE after MFC of the `fdopendir` function.
702103 | June 06, 2009 | 7.2-STABLE after MFC of PmcTools.
702104 | July 14, 2009 | 7.2-STABLE after MFC of the `closefrom` system call.
702105 | July 31, 2009 | 7.2-STABLE after MFC of the SYSVIPC ABI change.
800000 | October 11, 2007 | 8.0-CURRENT. Separating wide and single byte ctype.
800001 | October 16, 2007 | 8.0-CURRENT after libpcap 0.9.8 and tcpdump 3.9.8 import.
800002 | October 21, 2007 | 8.0-CURRENT after renaming kthread_create() and friends to kproc_create() etc.
800003 | October 24, 2007 | 8.0-CURRENT after ABI backwards compatibility to the FreeBSD 4/5/6 versions of the PCIOCGETCONF, PCIOCREAD and PCIOCWRITE IOCTLs was added, which required the ABI of the PCIOCGETCONF IOCTL to be broken again
800004 | November 12, 2007 | 8.0-CURRENT after agp(4) driver moved from src/sys/pci to src/sys/dev/agp
800005 | December 4, 2007 | 8.0-CURRENT after changes to the jumbo frame allocator.
800006 | December 7, 2007 | 8.0-CURRENT after the addition of callgraph capture functionality to hwpmc(4).
800007 | December 25, 2007 | 8.0-CURRENT after kdb_enter() gains a "why" argument.
800008 | December 28, 2007 | 8.0-CURRENT after LK_EXCLUPGRADE option removal.
800009 | January 9, 2008 | 8.0-CURRENT after introduction of lockmgr_disown(9)
800010 | January 10, 2008 | 8.0-CURRENT after the vn_lock(9) prototype change.
800011 | January 13, 2008 | 8.0-CURRENT after the VOP_LOCK(9) and VOP_UNLOCK(9) prototype changes.
800012 | January 19, 2008 | 8.0-CURRENT after introduction of lockmgr_recursed(9), BUF_RECURSED(9) and BUF_ISLOCKED(9) and the removal of `BUF_REFCNT()`.
800013 | January 23, 2008 | 8.0-CURRENT after introduction of the ``ASCII'' encoding.
800014 | January 24, 2008 | 8.0-CURRENT after changing the prototype of lockmgr(9) and removal of `lockcount()` and `LOCKMGR_ASSERT()`.
800015 | January 26, 2008 | 8.0-CURRENT after extending the types of the fts(3) structures.
800016 | February 1, 2008 | 8.0-CURRENT after adding an argument to MEXTADD(9)
800017 | February 6, 2008 | 8.0-CURRENT after the introduction of LK_NODUP and LK_NOWITNESS options in the lockmgr(9) space.
800018 | February 8, 2008 | 8.0-CURRENT after the addition of m_collapse.
800019 | February 9, 2008 | 8.0-CURRENT after the addition of current working directory, root directory, and jail directory support to the kern.proc.filedesc sysctl.
800020 | February 13, 2008 | 8.0-CURRENT after introduction of lockmgr_assert(9) and `BUF_ASSERT` functions.
800021 | February 15, 2008 | 8.0-CURRENT after introduction of lockmgr_args(9) and LK_INTERNAL flag removal.
800022 | (backed out) | 8.0-CURRENT after changing the default system ar to BSD ar(1).
800023 | February 25, 2008 | 8.0-CURRENT after changing the prototypes of lockstatus(9) and VOP_ISLOCKED(9), more specifically retiring the `struct thread` argument.
800024 | March 1, 2008 | 8.0-CURRENT after axing out the `lockwaiters` and `BUF_LOCKWAITERS` functions, changing the return value of `brelvp` from void to int and introducing new flags for lockinit(9).
800025 | March 8, 2008 | 8.0-CURRENT after adding F_DUP2FD command to fcntl(2).
800026 | March 12, 2008 | 8.0-CURRENT after changing the priority parameter to cv_broadcastpri such that 0 means no priority.
800027 | March 24, 2008 | 8.0-CURRENT after changing the bpf monitoring ABI when zerocopy bpf buffers were added.
800028 | March 26, 2008 | 8.0-CURRENT after adding l_sysid to struct flock.
800029 | March 28, 2008 | 8.0-CURRENT after reintegration of the `BUF_LOCKWAITERS` function and the addition of lockmgr_waiters(9).
800030 | April 1, 2008 | 8.0-CURRENT after the introduction of the rw_try_rlock(9) and rw_try_wlock(9) functions.
800031 | April 6, 2008 | 8.0-CURRENT after the introduction of the `lockmgr_rw` and `lockmgr_args_rw` functions.
800032 | April 8, 2008 | 8.0-CURRENT after the implementation of the openat and related syscalls, introduction of the O_EXEC flag for the open(2), and providing the corresponding linux compatibility syscalls.
800033 | April 8, 2008 | 8.0-CURRENT after added write(2) support for psm(4) in native operation level. Now arbitrary commands can be written to `/dev/psm%d` and status can be read back from it.
800034 | April 10, 2008 | 8.0-CURRENT after introduction of the `memrchr` function.
800035 | April 16, 2008 | 8.0-CURRENT after introduction of the `fdopendir` function.
800036 | April 20, 2008 | 8.0-CURRENT after switchover of 802.11 wireless to multi-bss support (aka vaps).
800037 | May 9, 2008 | 8.0-CURRENT after addition of multi routing table support (a.k.a. setfib(1), setfib(2)).
800038 | May 26, 2008 | 8.0-CURRENT after removal of netatm and ISDN4BSD.
800039 | June 14, 2008 | 8.0-CURRENT after removal of sgtty.
800040 | June 26, 2008 | 8.0-CURRENT with kernel NFS lockd client.
800041 | July 22, 2008 | 8.0-CURRENT after addition of arc4random_buf(3) and arc4random_uniform(3).
800042 | August 8, 2008 | 8.0-CURRENT after addition of cpuctl(4).
800043 | August 13, 2008 | 8.0-CURRENT after changing bpf(4) to use a single device node, instead of device cloning.
800044 | August 17, 2008 | 8.0-CURRENT after the commit of the first step of the vimage project renaming global variables to be virtualized with a V_ prefix with macros to map them back to their global names.
800045 | August 20, 2008 | 8.0-CURRENT after the integration of the MPSAFE TTY layer, including changes to various drivers and utilities that interact with it.
800046 | September 8, 2008 | 8.0-CURRENT after the separation of the GDT per CPU on amd64 architecture.
800047 | September 10, 2008 | 8.0-CURRENT after removal of VSVTX, VSGID and VSUID.
800048 | September 16, 2008 | 8.0-CURRENT after converting the kernel NFS mount code to accept individual mount options in the nmount() iovec, not just one big struct nfs_args.
800049 | September 17, 2008 | 8.0-CURRENT after the removal of suser(9) and suser_cred(9).
800050 | October 20, 2008 | 8.0-CURRENT after buffer cache API change.
800051 | October 23, 2008 | 8.0-CURRENT after the removal of the MALLOC(9) and FREE(9) macros.
800052 | October 28, 2008 | 8.0-CURRENT after the introduction of accmode_t and renaming of VOP_ACCESS 'a_mode' argument to 'a_accmode'.
800053 | November 2, 2008 | 8.0-CURRENT after the prototype change of vfs_busy(9) and the introduction of its MBF_NOWAIT and MBF_MNTLSTLOCK flags.
800054 | November 22, 2008 | 8.0-CURRENT after the addition of buf_ring, memory barriers and ifnet functions to facilitate multiple hardware transmit queues for cards that support them, and a lockless ring-buffer implementation to enable drivers to more efficiently manage queuing of packets.
800055 | November 27, 2008 | 8.0-CURRENT after the addition of Intel™ Core, Core2, and Atom support to hwpmc(4).
800056 | November 29, 2008 | 8.0-CURRENT after the introduction of multi-/no-IPv4/v6 jails.
800057 | December 1, 2008 | 8.0-CURRENT after the switch to the ath hal source code.
800058 | December 12, 2008 | 8.0-CURRENT after the introduction of the VOP_VPTOCNP operation.
800059 | December 15, 2008 | 8.0-CURRENT incorporates the new arp-v2 rewrite.
800060 | December 19, 2008 | 8.0-CURRENT after the addition of makefs.
800061 | January 15, 2009 | 8.0-CURRENT after TCP Appropriate Byte Counting.
800062 | January 28, 2009 | 8.0-CURRENT after removal of minor(), minor2unit(), unit2minor(), etc.
800063 | February 18, 2009 | 8.0-CURRENT after GENERIC config change to use the USB2 stack, but also the addition of fdevname(3).
800064 | February 23, 2009 | 8.0-CURRENT after the USB2 stack is moved to and replaces dev/usb.
800065 | February 26, 2009 | 8.0-CURRENT after the renaming of all functions in libmp(3).
800066 | February 27, 2009 | 8.0-CURRENT after changing USB devfs handling and layout.
800067 | February 28, 2009 | 8.0-CURRENT after adding getdelim(), getline(), stpncpy(), strnlen(), wcsnlen(), wcscasecmp(), and wcsncasecmp().
800068 | March 2, 2009 | 8.0-CURRENT after renaming the ushub devclass to uhub.
800069 | March 9, 2009 | 8.0-CURRENT after libusb20.so.1 was renamed to libusb.so.1.
800070 | March 9, 2009 | 8.0-CURRENT after merging IGMPv3 and Source-Specific Multicast (SSM) to the IPv4 stack.
800071 | March 14, 2009 | 8.0-CURRENT after gcc was patched to use C99 inline semantics in c99 and gnu99 mode.
800072 | March 15, 2009 | 8.0-CURRENT after the IFF_NEEDSGIANT flag has been removed; non-MPSAFE network device drivers are no longer supported.
800073 | March 18, 2009 | 8.0-CURRENT after the dynamic string token substitution has been implemented for rpath and needed pathes.
800074 | March 24, 2009 | 8.0-CURRENT after tcpdump 4.0.0 and libpcap 1.0.0 import.
800075 | April 6, 2009 | 8.0-CURRENT after layout of structs vnet_net, vnet_inet and vnet_ipfw has been changed.
800076 | April 9, 2009 | 8.0-CURRENT after adding delay profiles in dummynet.
800077 | April 14, 2009 | 8.0-CURRENT after removing VOP_LEASE() and vop_vector.vop_lease.
800078 | April 15, 2009 | 8.0-CURRENT after struct rt_weight fields have been added to struct rt_metrics and struct rt_metrics_lite, changing the layout of struct rt_metrics_lite. A bump to RTM_VERSION was made, but backed out.
800079 | April 15, 2009 | 8.0-CURRENT after struct llentry pointers are added to struct route and struct route_in6.
800080 | April 15, 2009 | 8.0-CURRENT after layout of struct inpcb has been changed.
800081 | April 19, 2009 | 8.0-CURRENT after the layout of struct malloc_type has been changed.
800082 | April 21, 2009 | 8.0-CURRENT after the layout of struct ifnet has changed, and with if_ref() and if_rele() ifnet refcounting.
800083 | April 22, 2009 | 8.0-CURRENT after the implementation of a low-level Bluetooth HCI API.
800084 | April 29, 2009 | 8.0-CURRENT after IPv6 SSM and MLDv2 changes.
800085 | April 30, 2009 | 8.0-CURRENT after enabling support for VIMAGE kernel builds with one active image.
800086 | May 8, 2009 | 8.0-CURRENT after adding support for input lines of arbitrarily length in patch(1).
800087 | May 11, 2009 | 8.0-CURRENT after some VFS KPI changes. The thread argument has been removed from the FSD parts of the VFS. `VFS_*` functions do not need the context any more because it always refers to `curthread`. In some special cases, the old behavior is retained.
800088 | May 20, 2009 | 8.0-CURRENT after net80211 monitor mode changes.
800089 | May 23, 2009 | 8.0-CURRENT after adding UDP control block support.
800090 | May 23, 2009 | 8.0-CURRENT after virtualizing interface cloning.
800091 | May 27, 2009 | 8.0-CURRENT after adding hierarchical jails and removing global securelevel.
800092 | May 29, 2009 | 8.0-CURRENT after chaning `sx_init_flags()` KPI. The `SX_ADAPTIVESPIN` is retired and a new `SX_NOADAPTIVE` flag is introduced in order to handle the reversed logic.
800093 | May 29, 2009 | 8.0-CURRENT after adding mnt_xflag to struct mount.
800094 | May 30, 2009 | 8.0-CURRENT after adding VOP_ACCESSX(9).
800095 | May 30, 2009 | 8.0-CURRENT after changing the polling KPI. The polling handlers now return the number of packets processed. A new `IFCAP_POLLING_NOCOUNT` is also introduced to specify that the return value is not significant and the counting should be skipped.
800096 | June 1, 2009 | 8.0-CURRENT after updating to the new netisr implementation and after changing the way we store and access FIBs.
800097 | June 8, 2009 | 8.0-CURRENT after the introduction of vnet destructor hooks and infrastructure.
800097 | June 11, 2009 | 8.0-CURRENT after the introduction of netgraph outbound to inbound path call detection and queuing, which also changed the layout of struct thread.
800098 | June 14, 2009 | 8.0-CURRENT after OpenSSL 0.9.8k import.
800099 | June 22, 2009 | 8.0-CURRENT after NGROUPS update and moving route virtualization into its own VImage module.
800100 | June 24, 2009 | 8.0-CURRENT after SYSVIPC ABI change.
800101 | June 29, 2009 | 8.0-CURRENT after the removal of the /dev/net/* per-interface character devices.
800102 | July 12, 2009 | 8.0-CURRENT after padding was added to struct sackhint, struct tcpcb, and struct tcpstat.
800103 | July 13, 2009 | 8.0-CURRENT after replacing struct tcpopt with struct toeopt in the TOE driver interface to the TCP syncache.
800104 | July 14, 2009 | 8.0-CURRENT after the addition of the linker-set based per-vnet allocator.
800105 | July 19, 2009 | 8.0-CURRENT after version bump for all shared libraries that do not have symbol versioning turned on.
800106 | July 24, 2009 | 8.0-CURRENT after introduction of OBJT_SG VM object type.
800107 | August 2, 2009 | 8.0-CURRENT after making the newbus subsystem Giant free by adding the newbus sxlock.
900000 | August 22, 2009 | 9.0-CURRENT.
900001 | September 8, 2009 | 9.0-CURRENT after importing x86emu, a software emulator for real mode x86 CPU from OpenBSD.

> Note: Note that 2.2-STABLE sometimes identifies itself as ``2.2.5-STABLE'' after the 2.2.5-RELEASE. The pattern used to be year followed by the month, but we decided to change it to a more straightforward major/minor system starting from 2.2. This is because the parallel development on several branches made it infeasible to classify the releases simply by their real release dates. If you are making a port now, you do not have to worry about old -CURRENTs; they are listed here just for your reference.

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