Windows Longhorn: Difference between revisions

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: ''For post-reset history and builds, see [[Windows Vista]].''
{{Infobox Windows
{{Infobox Windows
|image = Windows Longhorn Logo.png
|image = Windows Longhorn Logo.png
|imagecaption = Windows Longhorn
|imagecaption = Windows "Longhorn"
|codename = Longhorn
|codename = Longhorn
|kernel = NT 6.0
|kernel = NT 6.0
|arch = x86, x64, IA-64
|arch = x86, x64, IA-64
|sku = N/A
|build = [[/6.0.4093.main.040819-1215|6.0.4093.0]]
|build = [[/6.0.4093.main.040819-1215|6.0.4093.0]]
|release = N/A
|licence = Microsoft EULA
|support = N/A
|previous = [[Windows XP]]
|previous = [[Windows XP]]
|next = [[Windows Vista]]
|next = [[Windows Vista]]
}}
}}
'''Windows "Longhorn"''' was the codename for the planned successor of [[Windows XP]]. The project was reset and replaced with a new project - ''Longhorn Omega-13'' which was later renamed [[Windows Vista]]. Early builds of Windows Vista were often referred to as "Longhorn", causing confusion.
'''''Longhorn''''' was the codename for the planned successor of [[Windows XP]].


One of the original - and largest - changes is that, with "Longhorn", the .NET Framework would be integrated into the core Windows platform, deprecating the traditional Win32 API. During development, portions of the operating system were rewritten, causing memory leaks and instability, particularly in [[Windows Explorer]].
One of the original - and largest - changes is that, with "Longhorn", the .NET Framework would be integrated into the core Windows platform, deprecating the traditional Win32 API. During development, portions of the operating system were rewritten, causing memory leaks and instability, particularly in [[Windows Explorer]].


Contrary to popular belief, most of the early builds of "Longhorn" are not based on Windows XP, but [[Windows Server 2003]] (Build 3663) Release Candidate code.
Development was reset, but post-reset builds continued to use the "Longhorn" codename until the final name, [[Windows Vista]], was announced on 22 July 2005.


== History ==
== History ==
=== Codename ===
=== Codename ===
"Longhorn" was chosen as the codename for the operating system to represent its initial status as an internim release between Windows XP (codenamed "Whistler") and [[Windows Blackcomb|"Blackcomb"]]. Whistler and Blackcomb are names of mountains in British Columbia, Canada,<ref>Whistler Vacation Tips. [http://www.whistler-vacation-tips.com/windows-blackcomb.html "Windows Blackcomb: See Why Bill Gates Loves Whistler"]</ref><ref>Thurrott, Paul. [http://winsupersite.com/article/faqtip/windows-longhorn-faq "Windows 'Longhorn' FAQ"]</ref> and Longhorn is the name of a saloon located in between the two mountains, representing the operating system's initial status as an internim release between the two products.<ref>Thurrott, Paul. [http://winsupersite.com/article/product-review/road-to-gold-the-long-road-to-windows-vista-part-1-2001-2002 "Road to Gold: The Long Road to Windows Vista Part 1: 2001-2001"]</ref> Bill Gates would later state that this choice for a codename of the operating system was "a bit random".<ref>Levy, Steven. (November 23, 2003). [http://www.newsweek.com/hes-still-having-fun-133605 "He's Still Having Fun"]</ref>
"Longhorn" was chosen as the codename for the operating system to represent its initial status as an internim release between Windows XP (codenamed "Whistler") and [[Windows Blackcomb|"Blackcomb"]]. Whistler and Blackcomb are names of mountains in British Columbia, Canada,<ref>Whistler Vacation Tips. [http://www.whistler-vacation-tips.com/windows-blackcomb.html "Windows Blackcomb: See Why Bill Gates Loves Whistler"]</ref><ref>Thurrott, Paul. [http://winsupersite.com/article/faqtip/windows-longhorn-faq "Windows 'Longhorn' FAQ"]</ref> and Longhorn is the name of a saloon located in between the two mountains, representing the operating system's initial status as an internim release between the two products.<ref>Thurrott, Paul. [http://winsupersite.com/article/product-review/road-to-gold-the-long-road-to-windows-vista-part-1-2001-2002 "Road to Gold: The Long Road to Windows Vista Part 1: 2001-2001"]</ref> Bill Gates would later state that this choice for a codename of the operating system was "a bit random".<ref>Levy, Steven. (November 23, 2003). [http://www.newsweek.com/hes-still-having-fun-133605 "He's Still Having Fun"]</ref>


== Changes ==
===Codebase===
===Build 3683===
[[File:Windows dev trunk.gif|thumb|right|Image by Paul Thurrott<ref name = "server2003" />]]
# First build to include Desktop Composition Engine (basic window transparency effects).
The popular belief is that pre-reset "Longhorn" builds are based on Windows XP. This was likely spurred by Paul Thurrott's statement on his review of [[Windows Vista/6.0.5048.winmain idx02.050401-0536|build 5048]]: "The problem, I was told recently, was that the underpinnings of Longhorn--then based on the Windows XP code base--were struggling under the weight of all of the technologies that Microsoft planed to implement in this release."<ref name = "lh5048">{{cite web
# A new theme, Plex, was introduced.
|last = Thurrott
# Internet Explorer was updated to version 6.05.
|first=Paul
# A new display settings applet was introduced, based on the Windows Presentation Foundation.
|title=Windows Longhorn Build 5048 Review
 
|url=http://www.winsupersite.com/reviews/longhorn_5048.asp
===Build 3706===
|date=5 May 2005
# New wallpaper.
|archiveurl=https://web.archive.org/web/20050506183636/http://www.winsupersite.com/reviews/longhorn_5048.asp
# Animated files and folders icon in the Explorer.
|archivedate=6 May 2005
 
|accessdate=2 April 2022
===Build 3713===
}}</ref> However, pre-reset "Longhorn" builds are based, not on XP, but on [[Windows Server 2003]] code.<ref name = "server2003">{{cite web
# Sidebar is enabled by default.
|last = Thurrott
 
|first=Paul
===Build 4001===
|title=Windows Server 2003: The Road To Gold Part Two: Developing Windows
# New Setup UI and OOBE.
|url=http://www.winsupersite.com/reviews/winserver2k3_gold2.asp
# Using install.wim during the installation.
|date=8 February 2003
 
|archiveurl=https://web.archive.org/web/20030211114454/http://www.winsupersite.com/reviews/winserver2k3_gold2.asp
===Build 4008===
|archivedate=11 February 2003
# New Setup UI
|accessdate=29 October 2023
# Updated Wallpaper and Plex theme.
}}</ref> The ''xpclient'' release branch, dedicated to XP, spun off from the ''main'' branch in 2001. The ''main'' branch continued to compile Server 2003 builds at the 3xxx range, such as [[Windows Server 2003/5.2.3663.main.020715-1506|build 3663 (release candidate 1)]], until the ''dnsrv'' branch dedicated to Server 2003 spun off from the ''main'' branch in 2002. After that, the ''main'' branch began compiling Longhorn builds.<ref>{{cite web | url = https://longhorn.ms/early-development/ | title = The very beginning | author = The Experience Longhorn Project | accessdate = 27 October 2023}}</ref>
# Some improvements in Internet Explorer.
# Parental Controls introduced.
 
===Build 4015===
# New wallpaper and logon screen.
# Windows Messenger was updated to version 5.0.
 
===Build 4029===
# Some changes in the Setup UI and Plex theme.
# Wallpaper and logon screen were updated.
# Outlook Express updated.
# Introducing the Game Library.
# Introducing the Sync Manager.
 
===Build 4033===
# New wallpaper.
# File a Longhorn bug added.
# My Computer icon is updated.
# Some improvements in the Internet Explorer.
 
===Build 4039===
# Changes in the Setup UI.
# Some updates in the Explorer.
 
===Build 4042===
# Plex theme is replaced by Slate (only lab06_n compile).
# New logon screen and wallpaper.
# New Task Scheduler.
# "Start" is removed from the Start Menu button (when sidebar is enabled) and "My" in the Start menu is removed everywhere.
 
===Build 4051===
# New Setup UI and boot screen.
# Windows Media Player 9 is updated.
# The first build that had 64-bit version.


===Build 4074===
Mark Lucovsky, Microsoft Distinguished Engineer and Windows Server Architect, explained to Thurrott in 2003:
# New Jade theme.
# Updated icons in the Start Menu.
# The first build that included full DWM and Aero. However, it requires some work in order to enable it.
# The only build that had Animated Preview Pane Aurora. Requires patching to show up in Explorer.


===Build 4093===
{{Quotation|The mechanics of doing this are mind-numbing. [...] We have a main branch of code for the current Windows version, and that branch becomes the source base for hot-fixes and the next service pack. Once we spit out a service pack, that becomes a branch and now we have two branches we have to test for hot-fixes and service packs. We can't tell customers to install, say, SP1 and then do this hot-fix. And this is going on for every [Windows] release, so some have 2 or 3 service packs, many hot-fixes, and many security fixes. Every one of these is a managed collection of 50 million lines of code. It's a pretty big accounting issue.|Mark Lucovsky|Paul Thurrott's Windows Server 2003: The Road To Gold Part Two: Developing Windows|<ref name = "server2003"/>}}
# The last Longhorn build before reset.
# Early version of UAC called Windows Security.
# New Avalon-based Power Options panel.
# New Text To Speech panel.


== Logos ==
== Logos ==
Line 98: Line 63:


== Concepts, presentations, demos and prototypes ==
== Concepts, presentations, demos and prototypes ==
* [[Windows Longhorn/Earliest Concepts|Earliest concepts (2002, 2003)]]
* [[Windows Longhorn/Earliest Concepts|Earliest concepts (2002, 2003)]]<ref name = "aero2003">{{cite web | url = http://www.winsupersite.com/showcase/longhorn_aero.asp | title = Windows Longhorn "Aero" Gallery | first = Paul | last = Thurrott | publisher = Paul Thurrott's SuperSite for Windows | date = 20 August 2003 | archiveurl = https://web.archive.org/web/20030822021500/http://www.winsupersite.com/showcase/longhorn_aero.asp | archivedate = 22 August 2003 | accessdate = 18 November 2023}}</ref>
* [[Windows Longhorn/Longhorn Days|MSX "Longhorn Days" (2003)]]
* [[Windows Longhorn/Longhorn Days|MSX "Longhorn Days" (2003)]]
* [[Windows Longhorn/Amazon Demo|Amazon.com demo (PDC 2003)]]
* [[Windows Longhorn/Amazon Demo|Amazon.com demo (PDC 2003)]]
* [[Windows Longhorn/Hillel Cooperman Demo|Hillel Cooperman's demo (PDC 2003)]] ([https://www.youtube.com/watch?v=kbYRWfhIg1k video])
* [[Windows Longhorn/Get Users to Fall in Love With Your Software|Get Users to Fall in Love With Your Software]] - Hillel Cooperman's demo from [[PDC 2003]] ([https://www.youtube.com/watch?v=kbYRWfhIg1k video])
* Business solutions enabled by Longhorn technologies by [https://blogs.msdn.com/jcmaslan Carter Maslan] (2004, mockups only)<ref>http://web.archive.org/web/20040520183754/http://blogs.msdn.com:80/jcmaslan/archive/2004/04/09/110645.aspx</ref>
* Business solutions enabled by Longhorn technologies by [https://blogs.msdn.com/jcmaslan Carter Maslan] (2004, mockups only)<ref>http://web.archive.org/web/20040520183754/http://blogs.msdn.com:80/jcmaslan/archive/2004/04/09/110645.aspx</ref>
** Commercial Real Estate ([https://www.youtube.com/watch?v=3jt3u-dC7s0 video])
** Commercial Real Estate ([https://www.youtube.com/watch?v=3jt3u-dC7s0 video])
Line 107: Line 72:
** Healthcare ([https://www.youtube.com/watch?v=G1pJf5FR8J0 video])
** Healthcare ([https://www.youtube.com/watch?v=G1pJf5FR8J0 video])
** Manufacturing ([https://www.youtube.com/watch?v=7tlkeD5A3Fg video])
** Manufacturing ([https://www.youtube.com/watch?v=7tlkeD5A3Fg video])
=== Implementation of concepts ===
Twitter user Lucas Brooks (mswin_bat) found that porting the private [[#Milestone 7|Milestone 7]] Aero theme to a [[#Milestone 5|Milestone 5]] build like [[/6.0.4017.0.main.030409-0735|4017]] enables the striped [[Windows Sidebar|sidebar]] shown in a demo.<ref name = "lukasbrooks-striped">{{cite web | author = Lucas Brooks (@mswin_bat) | title = Microsoft actually implemented a lot of the crazy stuff seen in their Longhorn concepts. The private Aero theme was all that's needed to get this lovely striped taskbar/sidebar in M5. Picture on the right shows the M5 port of the M7 Aero theme. | url = https://twitter.com/mswin_bat/status/1493199904898191366 | publisher = Twitter | date = 14 February 2022 | accessdate = 16 April 2022}}</ref>


== Builds ==
== Builds ==
:''For server builds, see [[Windows Server 2008#Builds|the Windows Server 2008 page]].''
:''For server builds, see the [[Windows Server 2008#Builds|Windows Server 2008]] page.''
{{Builds Legend}}
{{Builds Legend}}
===Milestone 2===
 
<div style="width: 265px; background: #f9f9f9; border: solid 1px #E1E1E1; padding: 3px; float: right; clear: right">
'''Lab guide''' (Source: Grabberslasher)<ref name = "labs">{{cite web | author = Grabberslasher | title = Longhorn Labs | url = http://uxunleaked.blogspot.com/2008/06/longhorn-labs.html | date = 9 June 2008 | publisher = Si vis pacem, para bellum | accessdate = 18 April 2022}}</ref>
* Lab01: Base (Kernel)
* Lab02: Networking
* Lab03: Server
* Lab04: Management
* [Lab05:] Main
* Lab06: Desktop
* Lab07: IIS/COM+
</div>
 
===Milestone 1&2===
Planning stage. No builds known.
 
===Milestone 3===
* '''[[/6.0.3663.Lab06 N.020728-1728|3663.0.Lab06_N.020728-1728]]'''
* '''[[/6.0.3663.Lab06 N.020728-1728|3663.0.Lab06_N.020728-1728]]'''
* '''[[/6.0.3670.Lab06 N.020819-1749|3670.0.Lab06_N.020819-1749]]'''
* '''[[/6.0.3670.Lab06 N.020819-1749|3670.0.Lab06_N.020819-1749]]'''
===Milestone 3===
* '''''[[/6.0.3683.Lab06 N.020923-1821|3683.0.Lab06_N.020923-1821]]'''''
* '''''[[/6.0.3683.Lab06 N.020923-1821|3683.0.Lab06_N.020923-1821]]'''''
* '''''[[/6.0.3706.Lab06 N.021029-1731|3706.0.Lab06_N.021029-1731]]'''''
* '''''[[/6.0.3706.Lab06 N.021029-1731|3706.0.Lab06_N.021029-1731]]'''''
Line 123: Line 105:


===Milestone 4===
===Milestone 4===
* '''[[/6.0.4000.xxxx|4000.xxxx]]'''
* '''[[/6.0.4000|4000]]'''
* '''[[/6.0.4001.main.021204-1515|4001.0.main.021204-1515]]'''
* '''''[[/6.0.4001.main.021204-1515|4001.0.main.021204-1515]]'''''
* '''[[/6.0.4002.Lab06 N(ntvbl06).030108-1926|4002.0.Lab06_N(ntvbl06).030108-1926]]'''
* '''''[[/6.0.4002.Lab06 N(ntvbl06).030108-1926|4002.0.Lab06_N(ntvbl06).030108-1926]]'''''
* '''[[/6.0.4005.main.030128-1920|4005.0.main.030128-1920]]'''
* '''''[[/6.0.4005.main.030128-1920|4005.0.main.030128-1920]]'''''
* [[/6.0.4006.Lab01 N.030209-2000|4006.0.Lab01_N.030209-2000]]
* '''[[/6.0.4006.main.030203-1038|4006.0.main.030203-1038]]'''
* '''[[/6.0.4006.main.030203-1038|4006.0.main.030203-1038]]'''
* [[/6.0.4007.main.030219-1933|4007.0.main.030219-1933]]
* '''''[[/6.0.4008.main.030219-1933|4008.0.main.030219-1933]]'''''
* '''''[[/6.0.4008.main.030219-1933|4008.0.main.030219-1933]]'''''
* '''''[[/6.0.4011.main.030305-2045|4011.0.main.030305-2045]]'''''
* '''''[[/6.0.4011.main.030305-2045|4011.0.main.030305-2045]]'''''
* [[/6.0.4014.Lab01 N.030326-2000|4014.0.Lab01_N.030326-2000]]


===Milestone 5===
===Milestone 5===
* '''''[[/6.0.4015.main.030328-1500|4015.0.main.030328-1500]]'''''
* '''''[[/6.0.4015.main.030328-1500|4015.0.main.030328-1500]]'''''
* '''[[/6.0.4015.Lab06 n.030403-1706|4015.0.Lab06_n.030403-1706]]'''
* '''[[/6.0.4015.Lab06 n.030403-1706|4015.0.Lab06_n.030403-1706]]'''
* '''[[/6.0.4017.0.main.030409-0735|4017.0.main.030409-0735]]'''
* '''''[[/6.0.4017.0.main.030409-0735|4017.0.main.030409-0735]]'''''
* '''[[/6.0.4018.Lab06 n.030417-1721|4018.0.Lab06_n.030417-1721]]'''
* '''[[/6.0.4018.Lab06 n.030417-1721|4018.0.Lab06_n.030417-1721]]'''
* [[/6.0.4019.lab01 N.030428-2000|4019.0.lab01_N.030428-2000]]
* '''''[[/6.0.4020.idx02.030430-2218|4020.0.idx02.030430-2218]]'''''
* '''''[[/6.0.4020.idx02.030430-2218|4020.0.idx02.030430-2218]]
* '''''[[/6.0.4020.0.idx02.030507-1155|4020.0.idx02.030507-1155]]'''''
* [[/6.0.4021.main.030415-0745|4021.main.030415-0745]]'''''
* [[/6.0.4023|4023.0.??????-???? (full buildtag unknown)]]
* [[Windows Server 2008/6.0.4028.Lab01 N.030701-2000|4028.0.Lab01_N.030701-2000]]
* '''''[[/6.0.4029.main.030619-0000|4029.0.main.030619-0000]]'''''
* '''''[[/6.0.4029.main.030619-0000|4029.0.main.030619-0000]]'''''
* '''''[[/6.0.4030.main.030626-1414|4030.0.main.030626-1414]]'''''
* '''''[[/6.0.4031.main.030703-0020|4031.0.main.030703-0020]]'''''


===Milestone 6===
===Milestone 6===
* '''[[/6.0.4030.Lab06 n.030630-1724|4030.0.Lab06_n.030630-1724]]'''
* '''''[[/6.0.4029.0.Lab06_n.030629-1710|4029.0.Lab06_n.030629-1710]]'''''
* [[/6.0.4030.Lab06 n.030702-1727|4030.0.Lab06_n.030702-1727]]
* '''''[[/6.0.4030.Lab06 n.030630-1724|4030.0.Lab06_n.030630-1724]]'''''
* [[/6.0.4031.main.030703-0020|4031.0.main.030703-0020]]
* '''''[[/6.0.4030.Lab06 n.030702-1727|4030.0.Lab06_n.030702-1727]]'''''
* '''''[[/6.0.4031.Lab06_n.030707-1834|4031.Lab06_n.030707-1834]]'''''
* '''''[[/6.0.4032.Lab06 n.030710-1709|4032.0.Lab06_n.030710-1709]]'''''
* '''''[[/6.0.4032.Lab06 n.030710-1709|4032.0.Lab06_n.030710-1709]]'''''
* '''''[[/6.0.4033.main.030717-1555|4033.0.main.030717-1555]]'''''
* '''''[[/6.0.4033.main.030717-1555|4033.0.main.030717-1555]]'''''
* [[/6.0.4033.idx01.030730-1630|4033.0.idx01.030730-1630]]
* '''''[[/6.0.4033.idx01.030730-1630|4033.0.idx01.030730-1630]]'''''
* [[/6.0.4036.Lab01.030729-0100|4036.0.Lab01.030729-0100]]
* '''''[[/6.0.4038.main.030813-1852|4038.0.main.030813-1852]]'''''
* [[/6.0.4038.main.030813-1852|4038.0.main.030813-1852]]
* '''''[[/6.0.4039.Lab06_n.030824-1954|4039.0.Lab06_n.030824-1954]]'''''
* '''''[[/6.0.4039.Lab06 n.030827-1717|4039.0.Lab06_n.030827-1717]]'''''
* '''''[[/6.0.4039.Lab06 n.030827-1717|4039.0.Lab06_n.030827-1717]]'''''
* [[/6.0.4039.Lab06 n.030828-1802|4039.0.Lab06_n.030828-1802]]
* '''''[[/6.0.4040.Lab04 N.030828-1910|4040.0.Lab04_N.030828-1910]]'''''
* '''[[/6.0.4040.Lab04 N.030828-1910|4040.0.Lab04_N.030828-1910]]'''
* '''''[[/6.0.4042.main.030905-1800|4042.0.main.030905-1800]]'''''
* '''[[/6.0.4042.main.030905-1800|4042.0.main.030905-1800]]'''


===Milestone 7===
===Milestone 7===
* [[/6.0.4041.Lab06 n.030829-1500|4041.0.Lab06_n.030829-1500]]
* '''''[[/6.0.4042.Lab06 n.030909-1709|4042.0.Lab06_n.030909-1709]]'''''
* '''''[[/6.0.4042.Lab06 n.030909-1709|4042.0.Lab06_n.030909-1709]]'''''
* '''[[/6.0.4044.Lab06 n.030915-1925|4044.0.Lab06_n.030915-1925]]'''
* '''[[/6.0.4044.Lab06 n.030915-1925|4044.0.Lab06_n.030915-1925]]'''
* [[/6.0.4048.lab02.030923-1849|4048.0.lab02.030923-1849]]
* '''''[[/6.0.4048.idx02.030925-1900|4048.0.idx02.030925-1900]]'''''
* '''[[/6.0.4050.idx02.030928-0552|4050.0.idx02.030928-0552]]'''
* '''''[[/6.0.4050.idx02.030928-0552|4050.0.idx02.030928-0552]]'''''
* [[/6.0.4050.private/lab06 demo.031013-1849|4050.0.private/lab06_demo.031013-1849]]
* '''[[/6.0.4050.private/lab06 demo.031018-2015|4050.0.private/lab06_demo.031018-2015]]'''
* '''[[/6.0.4050.private/lab06 demo.031018-2015|4050.0.private/lab06_demo.031018-2015]]'''
* '''[[/6.0.4050.private/lab06 demo.031019-1809|4050.0.private/lab06_demo.031019-1809]]'''
* '''[[/6.0.4050.private/lab06 demo.031019-1809|4050.0.private/lab06_demo.031019-1809]]'''
* '''[[/6.0.4050.private/lab06 demo.031021-2041|4050.private/lab06_demo.031021-2041]]''' (build tag may not be accurate)<ref name = "4050avalon">{{cite web | url = https://www.youtube.com/watch?v=u7WorX2sGdY | title = Avalon: Building Tools and Controls Using Design-Time Services (PDC 03) | author = XenoPanther | publisher = YouTube | date = 8 January 2022 | accessdate = 27 October 2023}}</ref>
* '''[[/6.0.4050.private/lab06_demo.031022-1924|4050.private/lab06_demo.031022-1924]]'''<ref name = "4050winfs">{{cite web | url = https://www.youtube.com/watch?v=WAxjjIEdu-w | title = WinFS: Schemas, Extensibility and the Storage User Experience (PDC 03) | author = XenoPanther | publisher = YouTube | date = 8 January 2022 | accessdate = 27 October 2023}}</ref>
* '''''[[/6.0.4051.idx02.031001-1340|4051.0.idx02.031001-1340]]'''''
* '''''[[/6.0.4051.idx02.031001-1340|4051.0.idx02.031001-1340]]'''''
* '''''[[/6.0.4053.main.031022-1720|4053.0.main.031022-1720]]'''''
* '''''[[/6.0.4053.main.031022-1720|4053.0.main.031022-1720]]'''''
* [[/6.0.4057.private/lab06 dev ux.031107-1900|4057.0.private/lab06_dev_ux.031107-1900]]
* [[/6.0.4058.lab06 n.03118-1808|4058.0.lab06_n.031118-1808]]
* [[/6.0.4059.main.031208-1842|4059.0.main.031208-1842]]
* [[/6.0.4061.Lab01 N.040125-2000|4061.0.Lab01_N.040125-2000]]
* '''[[/6.0.4067.private/lddm dev tech(davidmo).040212-1646|4067.0.private/lddm_dev_tech(davidmo).040212-1646]]'''
* '''[[/6.0.4067.private/lddm dev tech(davidmo).040212-1646|4067.0.private/lddm_dev_tech(davidmo).040212-1646]]'''
* [[/6.0.4067.Lab06 n.040307-1603|4067.0.Lab06_n.040307-1603]]
* '''''[[/6.0.4067.idx01.040312-1730|4067.0.idx01.040312-1730]]'''''
* [[/6.0.4067.lab01 fusion.040316-2000|4067.0.lab01_fusion.040316-2000]]
* '''[[/WinHEC 2004 Aero demo build|WinHEC 2004 Aero demo build]]'''
* [[/6.0.4069.Lab06|4069.Lab06]]
* [[/6.0.4071.private/Snap dev ux(ntvbl06).040420-1521|4071.0.private/Snap_dev_ux(ntvbl06).040420-1521]]
* [[/6.0.4071.private/Snap dev ux(ntvbl06).040426-1627|4071.0.private/Snap_dev_ux(ntvbl06).040426-1627]]
* [[/6.0.4072.Lab06 n.040201-1902|4072.0.Lab06_n.040201-1902]]
* [[/6.0.4073.idx02.040420-1832|4073.0.idx02.040420-1832]]
* '''''[[/6.0.4074.idx02.040425-1535|4074.0.idx02.040425-1535]]'''''
* '''''[[/6.0.4074.idx02.040425-1535|4074.0.idx02.040425-1535]]'''''
* [[/6.0.4080.Lab06 n.040429-1614|4080.0.Lab06_n.040429-1614]]
* '''''[[/6.0.4081.main.040503-1625|4081.0.main.040503-1625]]'''''
* [[/6.0.4080.Lab06 n.040502-1523|4080.0.Lab06_n.040502-1523]]
* '''''[[/6.0.4082.main.040510-2230|4082.0..main.040510-2230]]'''''
* [[/6.0.4081.main.040503-1625|4081.0.main.040503-1625]]
* [[/6.0.4083.setupvbl.040527-2033|4083.0.setupvbl.040527-2033]]
 
===Milestone 8===
* '''''[[/6.0.4083.main.040516-1537|4083.0.main.040516-1537]]'''''
* '''''[[/6.0.4083.main.040516-1537|4083.0.main.040516-1537]]'''''
* [[/6.0.4083.Lab06 n.040519-1614|4083.0.Lab06_n.040519-1614]]
* '''''[[/6.0.4084.main.040527-0915|4084.0.main.040527-0915]]'''''
* '''''[[/6.0.4084.main.040527-0915|4084.0.main.040527-0915]]'''''
* [[/6.0.4085.main.040603-1817|4085.0.main.040603-1817]]
* '''''[[/6.0.4085.main.040603-1817|4085.0.main.040603-1817]]'''''
* [[/6.0.4085.Lab07.040609-2350|4085.0.Lab07.040609-2350]]
* '''''[[/6.0.4085.Lab07.040609-2350|4085.0.Lab07.040609-2350]]'''''
* [[/6.0.4086.main.040615-1745|4086.0.main.040615-1745]]
* '''''[[/6.0.4086.main.040615-1745|4086.0.main.040615-1745]]'''''
* [[/6.0.4086.lab03 dev.040629-1910|4086.0.lab03_dev.040629-1910]]
* '''''[[/6.0.4086.lab03 dev.040629-1910|4086.0.lab03_dev.040629-1910]]'''''
* [[/6.0.4086.lab01 n.040704-2000|4086.0.lab01_n.040704-2000]]
* '''''[[/6.0.4086.lab01 n.040704-2000|4086.0.lab01_n.040704-2000]]'''''
* [[/6.0.4087.main.040626-0846|4087.0.main.040626-0846]]
* '''''[[/6.0.4087.main.040626-0846|4087.0.main.040626-0846]]'''''
* [[/6.0.4088.Lab07 N.040705-1625|4088.0.Lab07_N.040705-1625]]
* '''''[[/6.0.4088.Lab02 N.040706-1655|4088.0.Lab02_N.040706-1655]]'''''
* '''''[[/6.0.4088.Lab02 N.040706-1655|4088.0.Lab02_N.040706-1655]]'''''
* '''[[/6.0.4089.private lab06 dev ux.040721-1800|4089.0.private_lab06_dev_ux.040721-1800]]'''
* '''[[/6.0.4089.private lab06 dev ux.040721-1800|4089.0.private_lab06_dev_ux.040721-1800]]'''
* [[/6.0.4091.private/lab06 dev foundation.040217-1214|4091.0.private/lab06_dev_foundation.040217-1214]]
* [[/6.0.4091.main.040726-1716|4091.0.main.040726-1716]]
* '''''[[/6.0.4093.main.040819-1215|4093.0.main.040819-1215]]'''''
* '''''[[/6.0.4093.main.040819-1215|4093.0.main.040819-1215]]'''''
* [[/6.0.4094.private/Lab06_dev_platform(snaptab).041124-0021|4094.private/Lab06_dev_platform(snaptab).041124-0021]]
* '''[[/6.0.4093.Lab02_N.041002-1235|4093.Lab02_N.041002-1235]]'''
* [[/6.0.4094.private/Lab06 dev tech(skatari)|4094.private/Lab06_dev_tech(skatari)]]


===Development reset===
===Development reset===
''See [[Windows Vista]]''
:''See [[Windows Vista]].''
 
== References ==
<references/>


== See also ==
== See also ==
* [[Athens PC]]
* [[Athens PC]]
* [[WinHEC 2003]]
* [[WinHEC 2003]]
Line 224: Line 188:
* [[WinFS]]
* [[WinFS]]


== References ==
=== BetaArchive forum ===
<references/>
* [[forum:39787|The Longhorn Kernel-Mode Timebomb]]
* [[forum:4327|Aborted Longhorn concepts/features]]
* [[forum:28432|Windows "Longhorn" features present in Windows Vista]]
* [[forum:41924|ReflectiaX's Longhorn Beta and Demo Files Thread!]]
 
==== Development reset ====
* [[forum:43345|What if the development reset hadn't occured?]]


== External links ==
== External links ==
* [http://uxunleaked.blogspot.com UX.Unleaked] - Grabberslasher's blog that describes several unleaked "Longhorn" builds
* [https://www.youtube.com/watch?v=yfNg9V1yx_A What Doomed Windows Longhorn: Not the Reset]
* [https://www.betaarchive.com/forum/viewtopic.php?f=62&t=39787] Describes the existence of a "Longhorn timebomb"
===Microsoft===
* [https://web.archive.org/web/20031203173749/http://msdn.microsoft.com/Longhorn/understanding/pillars/default.aspx The Pillars of Longhorn]
* [https://web.archive.org/web/20030622201329/http://winsupersite.com/showcase/longhorn_preview.asp The Road to Windows "Longhorn" (last updated 13 November 2002)]
* [https://web.archive.org/web/20031205132454/http://msdn.microsoft.com/Longhorn/understanding/pillars/default.aspx?pull=/library/en-us/dnfoghorn/html/foghorn10272003.asp The Pillars of Longhorn: Living La Vida Longhorn (Longhorn Foghorn)]
* [http://web.archive.org/web/20061024045420/http://winsupersite.com/showcase/winvista_roadtogold_01.asp The Long Road to Windows Vista (Part 1)], 18 October 2006
* [https://web.archive.org/web/20031203084338/http://msdn.microsoft.com/longhorn/understanding/pillars/avalon/default.aspx Avalon]
* [https://web.archive.org/web/20031029023536/http://msdn.microsoft.com/Longhorn/understanding/pillars/Indigo/default.aspx Indigo]
* [http://web.archive.org/web/20050304082629id_/http://msdn.microsoft.com/longhorn/default.aspx?pull=/library/en-us/dnlong/html/introindigov1-0.asp Introducing Indigo: An Early Look, February 2005] ([http://www.davidchappell.com/IntroducingIndigo_v2.pdf May 2005 version from the authors' site])
* [https://web.archive.org/web/20040603110436/http://msdn.microsoft.com/Longhorn/understanding/ux/default.aspx Longhorn Developer Center Home: User Experience (Aero)]
* [https://docs.microsoft.com/en-us/archive/msdn-magazine/2004/january/writing-and-deploying-apps-in-the-next-generation-of-windows A First Look at Writing and Deploying Apps in the Next Generation of Windows]
* [https://channel9.msdn.com/Blogs/TheChannel9Team/Jim-Allchin-The-Longhorn-Update Jim Allchin - The Longhorn Update]
 
===Paul Thurrott's SuperSite for Windows===
* [https://web.archive.org/web/20030622201329/http://winsupersite.com/showcase/longhorn_preview.asp The Road to Windows "Longhorn" (last updated 13 November 2002)]
* [http://web.archive.org/web/20061024045420/http://winsupersite.com/showcase/winvista_roadtogold_01.asp The Long Road to Windows Vista (Part 1)], 18 October 2006
* [https://web.archive.org/web/20030622201329/http://winsupersite.com/showcase/longhorn_preview.asp Paul Thurrott's SuperSite for Windows: The Road to Windows "Longhorn" (last updated 13 November 2002)]
 
===Longhorn.ms===
* [https://longhorn.ms/aurora-aero/ Aurora & Aero | Microsoft Longhorn]
* [https://longhorn.ms/disable-avalon/ Hacking Avalon – 1: Disable it]
* [https://longhorn.ms/installing-avalon-nt/ Hacking Avalon – 2: Port it | Microsoft Longhorn]
* [https://longhorn.ms/avalon-compiling-it/ Hacking Avalon – 3: Compiling xaml]
* [https://longhorn.ms/managed-cpp-in-longhorn/ Managed C++ and the Longhorn Shell]
* [https://longhorn.ms/net-framework/ .NET framework]
* [https://longhorn.ms/startpage/ Startpage]
* [https://web.archive.org/web/20140724020440/http://longhorn.ms/articles/helpsup.html Help center]
 
=== Other non-Microsoft ===
* [http://uxunleaked.blogspot.com UX.Unleaked Grabberslasher's blog that describes several unleaked "Longhorn" builds]
* [https://blog.seattlepi.com/microsoft/2007/01/10/jim-allchins-mac-message-the-full-text/ Jim Allchin’s Mac message: The full text] (leading up to the reset)
* [https://forum.winworldpc.com/discussion/2456/longhorn-rumors-whats-true-and-what-isnt Longhorn Rumors: What's true and what isn't — WinWorld]
* [http://www.pronetworks.org/forums/document-preview-t80164.html Document Preview : General Windows Support]
* [https://nerdshack.co.uk/retro-windows-longhorn/ Retro: Windows Longhorn - Nerdshack]
* [https://books.google.nl/books?id=dimJ1rcTI7gC&pg=PA91&lpg=PA91&dq=winfs+search+longhorn+4074&source=bl&ots=Jw1Q_UqZl7&sig=ACfU3U2Tu03LrUjjokZI-2fMTGpAe163Bw&hl=nl&sa=X&ved=2ahUKEwj9277FyaDvAhWMb30KHX_PBXYQ6AEwE3oECBUQAw#v=onepage&q=winfs%20search%20longhorn%204074&f=false Code name: Longhorn by John Clyman], PC Mag article
* [https://www.pcworld.com/article/116005/article.html Microsoft Shows New Features of Windows Longhorn] (PCWorld article from 5 May 2004 about WinHEC 2004)
* [https://redmondmag.com/articles/2004/02/01/indigo-the-longhorn-communications-layer.aspx Indigo: The Longhorn Communications Layer] ([http://archive.visualstudiomagazine.com/2004_02/magazine/features/dollard/indigo/Figure1.aspx Figure 1])
* [https://research.cs.queensu.ca/home/cisc853/readings/papers/microsoftLonghorn.pdf Code Red: Battling Google, Microsoft Changes How It Builds Software], 23 September 2005


[[Category:Cancelled Projects]]
[[Category:Canceled Projects]]
[[Category:Windows "Longhorn"]]
[[Category:Microsoft Windows]]
[[Category:Operating Systems]]

Latest revision as of 10:10, 1 January 2024

For post-reset history and builds, see Windows Vista.
Windows Longhorn
Windows Longhorn Logo.png
Windows "Longhorn"
Codename
Preliminary name		 Longhorn
Kernel version NT 6.0
CPU architecture x86, x64, IA-64
Release date N/A
Support end N/A
Preceded by Windows XP
Succeeded by Windows Vista

Longhorn was the codename for the planned successor of Windows XP.

One of the original - and largest - changes is that, with "Longhorn", the .NET Framework would be integrated into the core Windows platform, deprecating the traditional Win32 API. During development, portions of the operating system were rewritten, causing memory leaks and instability, particularly in Windows Explorer.

Development was reset, but post-reset builds continued to use the "Longhorn" codename until the final name, Windows Vista, was announced on 22 July 2005.

History

Codename

"Longhorn" was chosen as the codename for the operating system to represent its initial status as an internim release between Windows XP (codenamed "Whistler") and "Blackcomb". Whistler and Blackcomb are names of mountains in British Columbia, Canada,[1][2] and Longhorn is the name of a saloon located in between the two mountains, representing the operating system's initial status as an internim release between the two products.[3] Bill Gates would later state that this choice for a codename of the operating system was "a bit random".[4]

Codebase

Image by Paul Thurrott[5]

The popular belief is that pre-reset "Longhorn" builds are based on Windows XP. This was likely spurred by Paul Thurrott's statement on his review of build 5048: "The problem, I was told recently, was that the underpinnings of Longhorn--then based on the Windows XP code base--were struggling under the weight of all of the technologies that Microsoft planed to implement in this release."[6] However, pre-reset "Longhorn" builds are based, not on XP, but on Windows Server 2003 code.[5] The xpclient release branch, dedicated to XP, spun off from the main branch in 2001. The main branch continued to compile Server 2003 builds at the 3xxx range, such as build 3663 (release candidate 1), until the dnsrv branch dedicated to Server 2003 spun off from the main branch in 2002. After that, the main branch began compiling Longhorn builds.[7]

Mark Lucovsky, Microsoft Distinguished Engineer and Windows Server Architect, explained to Thurrott in 2003:

The mechanics of doing this are mind-numbing. [...] We have a main branch of code for the current Windows version, and that branch becomes the source base for hot-fixes and the next service pack. Once we spit out a service pack, that becomes a branch and now we have two branches we have to test for hot-fixes and service packs. We can't tell customers to install, say, SP1 and then do this hot-fix. And this is going on for every [Windows] release, so some have 2 or 3 service packs, many hot-fixes, and many security fixes. Every one of these is a managed collection of 50 million lines of code. It's a pretty big accounting issue.

— Mark Lucovsky, Paul Thurrott's Windows Server 2003: The Road To Gold Part Two: Developing Windows, [5]

Logos

Several different logos were created throughout the development of "Longhorn". Early builds used 2D and 3D representations of a longhorn bull; later builds included white or glass versions of the Windows flag.

  • Early "Longhorn" logo (M3-M5)

    Early "Longhorn" logo (M3-M5)

  • Early "Longhorn" logo used during Avalon presentation

    Early "Longhorn" logo used during Avalon presentation

  • Logo used in some Aurora and Phodeo resources

    Logo used in some Aurora and Phodeo resources

  • Logo used in some "Longhorn" M7 resources

    Logo used in some "Longhorn" M7 resources

  • "Longhorn" glass flag

    "Longhorn" glass flag

Concepts, presentations, demos and prototypes

Implementation of concepts

Twitter user Lucas Brooks (mswin_bat) found that porting the private Milestone 7 Aero theme to a Milestone 5 build like 4017 enables the striped sidebar shown in a demo.[10]

Builds

For server builds, see the Windows Server 2008 page.
  • No information available
  • Existence doubtful
  • Information or pictures available
  • Leaked or released


Lab guide (Source: Grabberslasher)[11]

  • Lab01: Base (Kernel)
  • Lab02: Networking
  • Lab03: Server
  • Lab04: Management
  • [Lab05:] Main
  • Lab06: Desktop
  • Lab07: IIS/COM+

Milestone 1&2

Planning stage. No builds known.

Milestone 3

Milestone 4

Milestone 5

Milestone 6

Milestone 7

Development reset

See Windows Vista.

References

  1. ↑ Whistler Vacation Tips. "Windows Blackcomb: See Why Bill Gates Loves Whistler"
  2. ↑ Thurrott, Paul. "Windows 'Longhorn' FAQ"
  3. ↑ Thurrott, Paul. "Road to Gold: The Long Road to Windows Vista Part 1: 2001-2001"
  4. ↑ Levy, Steven. (November 23, 2003). "He's Still Having Fun"
  5. ↑ 5.0 5.1 5.2 Thurrott, Paul (8 February 2003). Windows Server 2003: The Road To Gold Part Two: Developing Windows. Archived from the original on 11 February 2003. Retrieved on 29 October 2023.
  6. ↑ Thurrott, Paul (5 May 2005). Windows Longhorn Build 5048 Review. Archived from the original on 6 May 2005. Retrieved on 2 April 2022.
  7. ↑ The Experience Longhorn Project. The very beginning. Retrieved on 27 October 2023.
  8. ↑ Thurrott, Paul (20 August 2003). Windows Longhorn "Aero" Gallery. Paul Thurrott's SuperSite for Windows. Archived from the original on 22 August 2003. Retrieved on 18 November 2023.
  9. ↑ http://web.archive.org/web/20040520183754/http://blogs.msdn.com:80/jcmaslan/archive/2004/04/09/110645.aspx
  10. ↑ Lucas Brooks (@mswin_bat) (14 February 2022). Microsoft actually implemented a lot of the crazy stuff seen in their Longhorn concepts. The private Aero theme was all that's needed to get this lovely striped taskbar/sidebar in M5. Picture on the right shows the M5 port of the M7 Aero theme.. Twitter. Retrieved on 16 April 2022.
  11. ↑ Grabberslasher (9 June 2008). Longhorn Labs. Si vis pacem, para bellum. Retrieved on 18 April 2022.
  12. ↑ XenoPanther (8 January 2022). Avalon: Building Tools and Controls Using Design-Time Services (PDC 03). YouTube. Retrieved on 27 October 2023.
  13. ↑ XenoPanther (8 January 2022). WinFS: Schemas, Extensibility and the Storage User Experience (PDC 03). YouTube. Retrieved on 27 October 2023.

See also

BetaArchive forum

Development reset

External links

Microsoft

Paul Thurrott's SuperSite for Windows

Longhorn.ms

Other non-Microsoft

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