Answers.Body: <p>Many extensions will work with both 4.6.x and 5.x while some only work with one.  Some extension authors are dropping support for 4.6.  For example, in the <a href="https://civicrm.org/blog/dev-team/announcing-civicrm-531-and-4638-security-release" rel="nofollow noreferrer">recent security release announcement</a>, the extended reports extension was available for 4.6 but is now only supported on current 5.x</p>
  
  <p>The proponents of 4.6 and LTS emphasise stability.</p>
  
  <p>If you want features and extensions then 5.x is the better choice.</p>
  
  <p>You can upgrade from 4.6 to 5 but there is no supported downgrade process.</p>
  
  <p>FYI (you didn't quite ask this!) - CiviCRM on Drupal 8 is moving rapidly but D7 is much better supported at this point.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2018-07-20T19:20:43.437Z
Answers.LastActivityDate: 2018-07-20T19:20:43.437Z
Answers.UserDisplayName: Aidan
Answers.Body: <p>Support for CiviCRM 4.6 is nearly at an end. It is slated to end at the end of this year. </p>
  
  <p>5.x is the supported stable release. 4.6 is pretty much a security only branch now.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2018-07-21T00:23:45.377Z
Answers.LastActivityDate: 2018-07-21T00:23:45.377Z
Answers.UserDisplayName: user4278
Body: <p>I want to use the most stable version with the most extensions as possible, with Drupal, 7 is still better than 8 for most projects.</p>
  
  <p>Is it the same with civi? </p>
  
  <p>I already installed and configured 5.x can I downgrade to 4.x ?</p>
  
Tags: <civimember>
Title: Should I use CiviCRM 4.x or 5.x is this like D7 and D8?
ThreadText: # Should I use CiviCRM 4.x or 5.x is this like D7 and D8?
  
  (Asked by: username_0 on 2018-07-20)
  
  I want to use the most stable version with the most extensions as possible, with Drupal, 7 is still better than 8 for most projects.
  
  Is it the same with civi?
  
  I already installed and configured 5.x can I downgrade to 4.x ?
  
  **Tags:** civimember
  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_1 on 2018-07-20. Score: 1 | Accepted answer
  
  Many extensions will work with both 4.6.x and 5.x while some only work with one. Some extension authors are dropping support for 4.6. For example, in the [recent security release announcement](https://civicrm.org/blog/dev-team/announcing-civicrm-531-and-4638-security-release), the extended reports extension was available for 4.6 but is now only supported on current 5.x
  
  The proponents of 4.6 and LTS emphasise stability.
  
  If you want features and extensions then 5.x is the better choice.
  
  You can upgrade from 4.6 to 5 but there is no supported downgrade process.
  
  FYI (you didn't quite ask this!) - CiviCRM on Drupal 8 is moving rapidly but D7 is much better supported at this point.
  
  
  ---
  
  ### Answer by username_2 on 2018-07-21. Score: 2
  
  Support for CiviCRM 4.6 is nearly at an end. It is slated to end at the end of this year.
  
  5.x is the supported stable release. 4.6 is pretty much a security only branch now.
  
  
  ---
  
  