OpenBSD version history

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Version history[edit]

The following table summarizes the version history of the OpenBSD operating system.

Legend: Old version, no support Older version, still supported Current stable version Latest preview version Future release
Version Release date Supported until Significant changes
Old version, no longer supported: 1.1 18 October 1995
  • OpenBSD CVS repository created by Theo de Raadt.[1]
  • While the version number used at this stage was 1.1,[a] OpenBSD 1.1 was not an official OpenBSD release in the sense which this term subsequently came to be used.
Old version, no longer supported: 1.2 1 July 1996
  • Creation of the intro(9) man page, for documenting kernel internals.
  • Integration of the update(8) command into the kernel.
  • As before, while this version number was used in the early development of the OS, OpenBSD 1.2 was not an official release in the subsequently applicable sense.
Old version, no longer supported: 2.0 1 October 1996
Old version, no longer supported: 2.1 1 June 1997 Replacement of the older sh with pdksh.[4]
Old version, no longer supported: 2.2 1 December 1997 Addition of the afterboot(8) man page.[5]
Old version, no longer supported: 2.3 19 May 1998 Introduced the haloed daemon, or aureola beastie, in head-only form created by Erick Green.[6]
Old version, no longer supported: 2.4 1 December 1998 Featured the complete haloed daemon, with trident and a finished body.[7]
Old version, no longer supported: 2.5 19 May 1999 Introduced the Cop daemon image done by Ty Semaka.[8]
Old version, no longer supported: 2.6 1 December 1999 Based on the original SSH suite and developed further by the OpenBSD team, 2.6 saw the first release of OpenSSH, which is now available standard on most Unix-like operating systems and is the most widely used SSH suite.[9]
Old version, no longer supported: 2.7 15 June 2000 Support for SSH2 added to OpenSSH.[10]
Old version, no longer supported: 2.8 1 December 2000 isakmpd(8)[11]
Old version, no longer supported: 2.9 1 June 2001

[12]

Old version, no longer supported: 3.0 1 December 2001

E-Railed (OpenBSD Mix),[13] a techno track performed by the release mascot Puff Daddy, the famed rapper and political icon.

Old version, no longer supported: 3.1 19 May 2002 Systemagic,[14] where Puffy, the Kitten Slayer, battles evil script kitties. Inspired by the works of Rammstein and a parody of Buffy the Vampire Slayer.
  • First official remote security hole - OpenSSH integer overflow[15]
Old version, no longer supported: 3.2 1 November 2002 Goldflipper,[16] a tale in which James Pond, agent 077, super spy and suave lady's man, deals with the dangers of a hostile internet. Styled after the orchestral introductory ballads of James Bond films.
Old version, no longer supported: 3.3 1 May 2003

Puff the Barbarian,[17] born in a tiny bowl; Puff was a slave, now he hacks through the C, searching for the Hammer. It is an 80s rock-style song and parody of Conan the Barbarian dealing with open documentation.

  • In 2003, code from ALTQ, which had a license disallowing the sale of derivatives, was relicensed, integrated into pf and made available in OpenBSD 3.3.
  • First release adding the W^X feature, a fine-grained memory permissions layout, ensuring that memory which can be written to by application programs can not be executable at the same time and vice versa.
Old version, no longer supported: 3.4 1 November 2003

The Legend of Puffy Hood where Sir Puffy of Ramsay,[18] a freedom fighter who, with Little Bob of Beckley, took from the rich and gave to all. Tells of the POSSE project's cancellation. An unusual blend of both hip-hop and medieval-style music, a parody of the tale of Robin Hood intended to express OpenBSD's attitude to free speech.

Old version, no longer supported: 3.5 1 May 2004

CARP License and Redundancy must be free,[22] where a fish seeking to license his free redundancy protocol, CARP, finds trouble with the red tape. A parody of the Fish License skit and Eric the Half-a-Bee Song by Monty Python, with an anti-software patents message.

  • CARP, an open alternative to the HSRP and VRRP redundancy systems available from commercial vendors.[23][24]
  • GPL licensed parts of the GNU tool-set, bc,[25] dc,[26] nm [27] and size,[28] were all replaced with BSD licensed equivalents.
  • AMD64 platform becomes stable enough for release and is included for the first time as part of a release.
Old version, no longer supported: 3.6 1 November 2004

Pond-erosa Puff (live) was the tale of Pond-erosa Puff,[29] a no-guff freedom fighter from the wild west, set to hang a lickin' on no-good bureaucratic nerds who encumber software with needless words and restrictions. The song was styled after the works of Johnny Cash, a parody of the Spaghetti Western and Clint Eastwood and inspired by liberal license enforcement.

  • OpenNTPD, a compatible alternative to the reference NTP daemon, was developed within the OpenBSD project. The goal of OpenNTPD was not solely a compatible license. It also aims to be a simple, secure NTP implementation providing acceptable accuracy for most cases, without requiring detailed configuration.[30][31]
  • Because of its questionable security record and doubts of developers for better future development, OpenBSD removed Ethereal from its ports tree prior to its 3.6 release.
  • Added support for I²C master/slave devices[31]
Old version, no longer supported: 3.7 19 May 2005 The Wizard of OS,[32] where Puffathy, a little Alberta girl, must work with Taiwan to save the day by getting unencumbered wireless. This release was styled after the works of Pink Floyd and a parody of The Wizard of Oz; this dealt with wireless hacking.[33]
Old version, no longer supported: 3.8 1 November 2005 1 November 2006 Hackers of the Lost RAID,[34] which detailed the exploits of Puffiana Jones, famed hackologist and adventurer, seeking out the Lost RAID, Styled after the radio serials of the 1930s and 40s, this was a parody of Indiana Jones and was linked to the new RAID tools featured as part of this release. This is the first version released without the telnet daemon which was completely removed from the source tree by Theo de Raadt in May 2005.[35]
Old version, no longer supported: 3.9 1 May 2006 1 May 2007

Attack of the Binary BLOB,[37] which chronicles the developer's fight against binary blobs and vendor lock-in,[38] a parody of the 1958 film The Blob and the pop-rock music of the era.

  • Enhanced OpenBGPD feature-set.
  • Improved hardware sensors support, including a new IPMI subsystem and a new I²C scan subsystem; number of drivers using the sensors framework increased to a total of 33 drivers (compared to 9 in the prior 3.8 release 6 months ago).[21][38]
Old version, no longer supported: 4.0 1 November 2006 1 November 2007 Humppa Negala,[39] a Hava Nagilah parody with a portion of Entrance of the Gladiators and Humppa music fused together, with no story behind it, simply a homage to one of the OpenBSD developers' favorite genres of music.[40]
  • Second official remote security hole - buffer overflow by malformed ICMPv6 packets [41]
Old version, no longer supported: 4.1 1 May 2007 1 May 2008 Puffy Baba and the 40 Vendors,[42] a parody of the Arabic fable Ali Baba and the Forty Thieves, part of the book of One Thousand and One Nights, in which Linux developers are mocked over their allowance of non-disclosure agreements when developing software while at the same time implying hardware vendors are criminals for not releasing documentation required to make reliable device drivers.[43]
  • Redesigned sysctl hw.sensors into a two-level sensor API;[44][45] a total of 46 device drivers exporting sensors through the framework with this release.[21]
Old version, no longer supported: 4.2 1 November 2007 1 November 2008 100001 1010101,[46] the Linux kernel developers gets a knock for violating the ISC-style license of OpenBSD's open hardware abstraction layer for Atheros wireless cards.
  • Usability of sensorsd improved, allowing zero-configuration monitoring of smart sensors from the hw.sensors framework (e.g., IPMI or bio(4)-based), and easier configuration for monitoring of non-smart sensors.[47]
Old version, no longer supported: 4.3 1 May 2008 1 May 2009 Home to Hypocrisy[48][49]
Old version, no longer supported: 4.4 1 November 2008 18 October 2009

Trial of the BSD Knights,[50] summarizes the history of BSD including the USL v. BSDi lawsuit. The song was styled after the works of Star Wars.

Old version, no longer supported: 4.5 1 May 2009 19 May 2010 Games. It was styled after the works of Tron.[53]
Old version, no longer supported: 4.6 18 October 2009 1 November 2010 Planet of the Users.[56] In the style of Planet of the Apes, Puffy travels in time to find a dumbed-down dystopia, where "one very rich man runs the earth with one multinational". Open-source software has since been replaced by one-button computers, one-channel televisions, and closed-source software which, after you purchase it, becomes obsolete before you have a chance to use it. People subsist on soylent green. The theme song is performed in the reggae rock style of The Police.
  • smtpd(8), privilege-separated SMTP server
  • tmux(1) terminal multiplexer
  • The hw.sensors framework is used by 75 device drivers.[55]
Old version, no longer supported: 4.7 19 May 2010 1 May 2011 I'm Still Here [57]
Old version, no longer supported: 4.8 1 November 2010 1 November 2011 El Puffiachi.[58][59]
  • iked(8) IKEv2 daemon
  • ldapd(8) LDAP daemon
Old version, no longer supported: 4.9 1 May 2011 1 May 2012 The Answer.[60]
  • rc.d(8) daemon control
Old version, no longer supported: 5.0 1 November 2011 1 November 2012 What Me Worry?.[61]
Old version, no longer supported: 5.1 1 May 2012 1 May 2014 Bug Busters. The song was styled after the works of Ghostbusters.[62]
Old version, no longer supported: 5.2 1 November 2012 1 November 2013 Aquarela do Linux.[63]
Old version, no longer supported: 5.3 1 May 2013 1 May 2014 Blade Swimmer. The song was styled after the works of Roy Lee, a parody of Blade Runner.[64]
Old version, no longer supported: 5.4 1 November 2013 1 November 2014 Our favorite hacks, a parody of My Favorite Things.[65]
Old version, no longer supported: 5.5 1 May 2014 1 May 2015 Wrap in Time.[66]
  • signify(1) cryptographic signatures of release and packages
  • 64bit time_t on all platforms (Y2K38 ready)
Old version, no longer supported: 5.6 1 November 2014 18 October 2015 Ride of the Valkyries.[67]
Old version, no longer supported: 5.7 1 May 2015 29 March 2016 Source Fish.[68]
  • rcctl(8) utility to control daemons
  • nginx(8) removed from base
  • procfs has been removed
Old version, no longer supported: 5.8 18 October 2015 1 September 2016 20 years ago today, Fanza, So much better, A Year in the Life.[69]

(20th anniversary release[70])

  • doas(1) replacement of sudo
Old version, no longer supported: 5.9 29 March 2016 11 April 2017 Doctor W^X, Systemagic (Anniversary Edition).[71]
  • W^X enforced in i386 kernel
  • pledge(2) process restriction
Old version, no longer supported: 6.0 1 September 2016 9 October 2017 Another Smash of the Stack, Black Hat, Money, Comfortably Dumb (the misc song), Mother, Goodbye and Wish you were Secure, Release songs parodies of Pink Floyd's The Wall, Comfortably Numb and Wish You Were Here.[72]
  • vmm(4) virtualization (disabled by default)
  • Removed vax[73] and 32-bit SPARC[74] support
Old version, no longer supported: 6.1 11 April 2017 15 April 2018 Winter of 95, a parody of Summer of '69.[75]
  • syspatch(8) utility for binary base system updates
  • new arm64 platform
Old version, no longer supported: 6.2 9 October 2017 18 October 2018 A three-line diff[76]
  • inteldrm(4) Skylake/Kaby Lake/Cherryview devices
  • clang(1) base system compiler on i386 and amd64 platforms
Old version, no longer supported: 6.3 2 April 2018 3 May 2019
  • SMP is supported on arm64 platforms.
  • Several parts of the network stack now run without KERNEL_LOCK().
  • Multiple security improvements have been made, including Meltdown/Spectre (variant 2) mitigations. Intel CPU microcode is loaded on boot on amd64.
  • pledge() has been modified to support "execpromises" (as the second argument).
Older version, yet still supported: 6.4 18 October 2018
  • unveil(2) filesystem visibility restriction.[77]
Current stable version: 6.5 24 April 2019
Version Release date Supported until Significant changes

Notes[edit]

  1. ^ Compare release history of NetBSD, which OpenBSD branched from

References[edit]

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External links[edit]