Windows Longhorn: Difference between revisions

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Revision as of 11:24, 27 June 2023

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

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."[5] However, pre-reset "Longhorn" builds are based, not on XP, but on Windows Server 2003 release candidate code. 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.[6]

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.[8]

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)[9]

  • 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.

See also

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. ↑ Thurrott, Paul (5 May 2005). Windows Longhorn Build 5048 Review. Archived from the original on 6 May 2005. Retrieved on 2 April 2022.
  6. ↑ The very beginning. Retrieved on 2 April 2021.
  7. ↑ http://web.archive.org/web/20040520183754/http://blogs.msdn.com:80/jcmaslan/archive/2004/04/09/110645.aspx
  8. ↑ 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.
  9. ↑ Grabberslasher (9 June 2008). Longhorn Labs. Si vis pacem, para bellum. Retrieved on 18 April 2022.

See also

BetaArchive forum

External links

Microsoft

Paul Thurrott

Longhorn.ms

Other non-Microsoft

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