Version guide/en - Revision history

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	At the moment, LimeSurvey 3 is a LTS release. There will not be any new features added. ~~It is supported by~~ the ~~end of 2020.~~		At the moment, LimeSurvey 3 is a LTS release. There will not be any new features added.
			Check out the [[LimeSurvey_roadmap\|LimeSurvey Roadmap]] for information about support timelines.

	~~{{Note~~\|~~To check the versioning scheme of~~ LimeSurvey~~, please visit the [https://www.limesurvey.org/about-limesurvey/surveyhelp/2137-limesurvey-version-lifecycle following link~~]~~!}}~~


	~~Please note that LimeSurvey 2.06 is not an LTS version any longer! Our advice is to update as soon as possible or to contact one of our [https://limesurvey.com authorized partners~~] for ~~LimeSurvey 2.06~~ support.

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	To understand the version numbering, remember that version 2.06 was preceded by 1.92, 2.00, and 2.05. LimeSurvey 2.06 is our "starting point" as it is the moment in which a LTS version started to be developed too. Therefore, we have now a(n):		To understand the version numbering, remember that version 2.06 was preceded by 1.92, 2.00, and 2.05. LimeSurvey 2.06 is our "starting point" as it is the moment in which a LTS version started to be developed too. Therefore, we have now a(n):

	*LTS version: 2.06LTS. It was later renamed to 2.6.x on October 24, 2016. This version will be supported until the launch of the next LTS version.		*LTS version: 2.06LTS. It was later renamed to 2.6.x on October 24, 2016. This version will be supported until the launch of the next LTS version. According to this [https://www.limesurvey.org/about-limesurvey/surveyhelp/2137-limesurvey-version-lifecycle link], the next LTS version is LimeSurvey 3.x.
	*up-to-date version. The first up-to-date version after 2.06 was 2.50, which was released on February 2, 2016. Since then, new features have been added with the releases of ~~LimeSUrvey~~ 2.6x.x and 2.7x.x. After the last 2.7x release, LimeSurvey 3 was launched on December 22, 2017.		*up-to-date version. The first up-to-date version after 2.06 was 2.50, which was released on February 2, 2016. Since then, new features have been added with the releases of LimeSurvey 2.6x.x and 2.7x.x. After the last 2.7x release, LimeSurvey 3 was launched on December 22, 2017.


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	# LimeSurvey 2.50 (now 2.73) introduced responsive default templates, and we had to change the HTML to support this addition.		# LimeSurvey 2.50 (now 2.73) introduced responsive default templates, and we had to change the HTML to support this addition.
	# LimeSurvey 3 introduced a Twig template system and a template inheritance system, which are not compatible with older HTML-based templates.		# LimeSurvey 3 introduced a Twig template system and a template inheritance system which are not compatible with older HTML-based templates.

	{{Note\|Please note that the '''Template editor''' was renamed in LimeSurvey 3, being called now '''Themes'''.}}		{{Note\|Please note that the '''Template editor''' was renamed in LimeSurvey 3, being called now '''Themes'''.}}
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	~~With~~ the ~~release of~~ the ~~next LTS version which will be based on~~ LimeSurvey 3~~, no more support~~ will be ~~provided to~~ any ~~other old~~ LimeSurvey ~~version~~, ~~including~~ the LimeSurvey 2.6.~~xLTS~~.		{{Note\|'''What does LTS mean for LimeSurvey?'''
			If a version is marked as being LTS, then the respective version is eligible to receive bugfixes and security updates.}}


			At the moment, LimeSurvey 3 is a LTS release. There will not be any new features added. It is supported by the end of 2020.


			{{Note\|To check the versioning scheme of LimeSurvey, please visit the [https://www.limesurvey.org/about-limesurvey/surveyhelp/2137-limesurvey-version-lifecycle following link]!}}


			Please note that LimeSurvey 2.06 is not an LTS version any longer! Our advice is to update as soon as possible or to contact one of our [https://limesurvey.com authorized partners] for LimeSurvey 2.06 support.

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2019-03-20T16:30:03Z

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<languages />

__TOC__

=Version Numbering=

To understand the version numbering, remember that version 2.06 was preceded by 1.92, 2.00, and 2.05. LimeSurvey 2.06 is our "starting point" as it is the moment in which a LTS version started to be developed too. Therefore, we have now a(n):

*LTS version: 2.06LTS. It was later renamed to 2.6.x on October 24, 2016. This version will be supported until the launch of the next LTS version.
*up-to-date version. The first up-to-date version after 2.06 was 2.50, which was released on February 2, 2016. Since then, new features have been added with the releases of LimeSUrvey 2.6x.x and 2.7x.x. After the last 2.7x release, LimeSurvey 3 was launched on December 22, 2017.

==Differences==

All three major LimeSurvey versions described below use different template engines. This means that a template created for LimeSurvey 2.06 cannot be used in LimeSurvey 2.73 or LimeSurvey 3, and a template created in 2.73 cannot be used in LimeSurvey 3.

''Why did you change the template engines and make them incompatible?''

# LimeSurvey 2.50 (now 2.73) introduced responsive default templates, and we had to change the HTML to support this addition.
# LimeSurvey 3 introduced a Twig template system and a template inheritance system, which are not compatible with older HTML-based templates.

{{Note|Please note that the '''Template editor''' was renamed in LimeSurvey 3, being called now '''Themes'''.}}

You can also observe in the screenshots from below the GUI (Graphical User Interface) changes that took place along the time.

==2.06 and 2.6==

<center>[[File:LimeSurvey 2.06 survey overview.png]]</center>

== 2.73 ==

<center>[[File:LimeSurvey 2.73 x survey overview.png]]</center>

== 3.x ==

<center>[[File:LimeSurvey 3x survey overview.png]]</center>

= How to upgrade=

If you wish to upgrade your installation, you can either upgrade it [[Upgrading_from_a_previous_version|manually]] or use the [[ComfortUpdate]].

=Long-term support (LTS)=

With the release of the next LTS version which will be based on LimeSurvey 3, no more support will be provided to any other old LimeSurvey version, including the LimeSurvey 2.6.xLTS.