Difference between revisions of "Maintenance Cycle for UCS"

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This article describes the maintenance cycle for [[Univention Corporate Server]]. An overview about the [[Maintenance Cycles]] can be found in a separate article.
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This article describes the maintenance cycle for Univention Corporate Server. An overview about the [[Maintenance Cycles]] can be found in a separate article.
  
 
= UCS maintenance cycle rules =
 
= UCS maintenance cycle rules =
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The following basic rules for the UCS maintenance cycle apply. UCS product versions are divided into major and minor releases.  
 
The following basic rules for the UCS maintenance cycle apply. UCS product versions are divided into major and minor releases.  
  
A '''major version''' focuses on fundamental extensions and interfaces may be changed. Example for a major version is UCS 3.
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A '''major version''' focuses on fundamental extensions and interfaces may be changed. Example for a major version is UCS 4.
 
* UCS major versions are published ca. every 3-4 years.
 
* UCS major versions are published ca. every 3-4 years.
 
* UCS major versions have a maintenance cycle of at least 5 years.
 
* UCS major versions have a maintenance cycle of at least 5 years.
 +
* The maintenance cycle of a UCS major version ends not before one year after the release of the following major version.
 +
* Extended security maintenance is available for UCS major versions for additional 2 years. It provides security updates for grave security vulnerabilities in versions of Univention Corporate Server which are not maintained through regular product maintenance because mainstream support has ended.
  
During its maintenance cycle a major version receives several minor updates through minor versions that are comparable to the Service Packs of Microsoft Windows. Such a '''minor version''' focuses on the extension of the product and on bug fixes. Interfaces will only be extended in a compatible way or cleared up upon issues. UCS minor versions allow a simple and automatic update. Example for a minor version is UCS 3.1.
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During its maintenance cycle a major version receives several minor updates through minor versions that are comparable to the Service Packs of Microsoft Windows. Such a '''minor version''' focuses on the extension of the product and on bug fixes. Interfaces will only be extended in a compatible way or cleared up upon issues. UCS minor versions allow a simple and automatic update. Example for a minor version is UCS 4.1.
* UCS minor versions are published ca. every 12 months.
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* UCS minor versions are published ca. every 12-18 months.
 
* UCS minor versions have a maintenance cycle of at least 1 year.
 
* UCS minor versions have a maintenance cycle of at least 1 year.
* The maintenance cycle of a UCS minor version ends 6 months after the release of the following version.
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* The maintenance cycle of a UCS minor version ends 12 months after the release of the following version starting with UCS 4.1. The maintenance cycle of a UCS minor version for UCS versions until UCS 4.0 ends 6 months after the release of the following version.
  
Minor enhancements and fixes for small issues are continually provided by [http://errata.univention.de/ Errata Updates] and collected in Patchlevel releases (e.g. UCS 3.1-1). They are public available through the Online-Update in Univention Corporate Server.  
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Minor enhancements and fixes for small issues are continually provided by [http://errata.univention.de/ Errata Updates] and collected in '''Patchlevel releases''' (e.g. UCS 4.1-4). They are public available through the Online-Update in Univention Corporate Server.  
* The maintenance cycle of a patchlevel release ends 6 weeks after the release of the following patchlevel.
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* The maintenance cycle of a patchlevel release ends 6 weeks after the release of the following patchlevel release. See the [[Patchlevel-Releases|schedule of patch releases]] for UCS versions under maintenance.
 +
 
 +
The maintenance cycle of the '''UCS Core Edition''' deviates from the above and always ends 6 months after the following release. An upgrade to the new version is available. For more information on UCS Core Edition and available subscriptions see [https://www.univention.com/products/prices/ the Univention website].
  
 
= Maintenance cycle overview =
 
= Maintenance cycle overview =
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! style="background: #aaa;" | Maintenance <br> until
 
! style="background: #aaa;" | Maintenance <br> until
 
|-
 
|-
| colspan="3" style="background-color: #DDDDDD; text-align: center;" | '''Major version 3'''
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| colspan="3" style="background-color: #DDDDDD; text-align: center;" | '''Major version 4'''
 +
|-
 +
| UCS 4.x
 +
|
 +
|
 +
* at least until '''the third quarter of 2021'''
 
|-
 
|-
| UCS 3.2
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| UCS 4.4
| Nov 18, 2013
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| Mar 12, 2019
 
|
 
|
 
|-
 
|-
| UCS 3.1
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| UCS 4.3
| Dec 12, 2012
+
| Mar 14, 2018
 
|
 
|
* '''May 31, 2014'''
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* <s>'''31. Mar 2020'''</s> extended to '''31. May 2020'''
 
|-
 
|-
| UCS 3.0
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| UCS 4.2
| Dec 09, 2011
+
| Apr 04, 2017
 
|  
 
|  
* '''Jun 30, 2013''' ([http://forum.univention.de/viewtopic.php?f=26&t=2704 Announcement])
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* '''31. Mar 2019'''
 
|-
 
|-
| colspan="3" style="background-color: #DDDDDD; text-align:center;" | '''Major version 2'''
+
| UCS 4.1
 +
| Nov 17, 2015
 +
|
 +
* '''Apr 5, 2018'''
 
|-
 
|-
| UCS 2.4
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| UCS 4.0
| Aug 31, 2010
+
| Nov 20, 2014
 +
|
 +
* ''' May 31, 2016'''
 +
|-
 +
| colspan="3" style="background-color: #DDDDDD; text-align: center;" | '''Major version 3'''
 +
|-
 +
| UCS 3.3
 +
| May 31, 2016
 +
|  
 +
* '''Dec 31, 2016'''
 +
|-
 +
| UCS 3.2
 +
| Nov 18, 2013
 
|  
 
|  
* '''Dec 31, 2013'''
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* '''Nov 30, 2016'''
* Maintenance cycle for the UCS 2 major version ends
+
|-
* With UCS 2.4 the maintenance for the following products ends:
 
** Univention Corporate Desktop 3.1 (UCD)
 
** UCS Thin Client Services 3.1 (UCS TCS)
 
** UCS@school 2.4
 
* Successor of UCD and UCS TCS is [[Univention Corporate Client]]
 
 
|}
 
|}
  
 
[[Category:Maintenance Cycle]]
 
[[Category:Maintenance Cycle]]
 
[[Category:EN]]
 
[[Category:EN]]
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[[Category:UCS]]

Latest revision as of 14:58, 2 June 2020

This article describes the maintenance cycle for Univention Corporate Server. An overview about the Maintenance Cycles can be found in a separate article.

UCS maintenance cycle rules

Logo Univention Corporate Server (UCS)

The following basic rules for the UCS maintenance cycle apply. UCS product versions are divided into major and minor releases.

A major version focuses on fundamental extensions and interfaces may be changed. Example for a major version is UCS 4.

  • UCS major versions are published ca. every 3-4 years.
  • UCS major versions have a maintenance cycle of at least 5 years.
  • The maintenance cycle of a UCS major version ends not before one year after the release of the following major version.
  • Extended security maintenance is available for UCS major versions for additional 2 years. It provides security updates for grave security vulnerabilities in versions of Univention Corporate Server which are not maintained through regular product maintenance because mainstream support has ended.

During its maintenance cycle a major version receives several minor updates through minor versions that are comparable to the Service Packs of Microsoft Windows. Such a minor version focuses on the extension of the product and on bug fixes. Interfaces will only be extended in a compatible way or cleared up upon issues. UCS minor versions allow a simple and automatic update. Example for a minor version is UCS 4.1.

  • UCS minor versions are published ca. every 12-18 months.
  • UCS minor versions have a maintenance cycle of at least 1 year.
  • The maintenance cycle of a UCS minor version ends 12 months after the release of the following version starting with UCS 4.1. The maintenance cycle of a UCS minor version for UCS versions until UCS 4.0 ends 6 months after the release of the following version.

Minor enhancements and fixes for small issues are continually provided by Errata Updates and collected in Patchlevel releases (e.g. UCS 4.1-4). They are public available through the Online-Update in Univention Corporate Server.

  • The maintenance cycle of a patchlevel release ends 6 weeks after the release of the following patchlevel release. See the schedule of patch releases for UCS versions under maintenance.

The maintenance cycle of the UCS Core Edition deviates from the above and always ends 6 months after the following release. An upgrade to the new version is available. For more information on UCS Core Edition and available subscriptions see the Univention website.

Maintenance cycle overview

The following table gives an overview about the currently maintained Univention Corporate Server (UCS) versions.

Product
version
Release
date
Maintenance
until
Major version 4
UCS 4.x
  • at least until the third quarter of 2021
UCS 4.4 Mar 12, 2019
UCS 4.3 Mar 14, 2018
  • 31. Mar 2020 extended to 31. May 2020
UCS 4.2 Apr 04, 2017
  • 31. Mar 2019
UCS 4.1 Nov 17, 2015
  • Apr 5, 2018
UCS 4.0 Nov 20, 2014
  • May 31, 2016
Major version 3
UCS 3.3 May 31, 2016
  • Dec 31, 2016
UCS 3.2 Nov 18, 2013
  • Nov 30, 2016
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