How Often Does Drupal Core Get Updated?

On this page you will find a summary of the different release versions of Drupal, showing when they were updated, as well as how often Drupal gets updated on average. You can use these averages to estimate your maintenance budget for your Drupal websites.

Drupal 7 (Every 60 days)

Drupal 7 core updates have been released, on average, every 60 days.
ReleasedVersionDays Since Last Release
01/04/2011drupal 7.00 days
05/25/2011drupal 7.1140 days
05/25/2011drupal 7.20 days
06/29/2011drupal 7.335 days
06/29/2011drupal 7.40 days
07/27/2011drupal 7.527 days
07/27/2011drupal 7.60 days
07/27/2011drupal 7.70 days
08/31/2011drupal 7.834 days
10/26/2011drupal 7.956 days
12/05/2011drupal 7.1040 days
02/01/2012drupal 7.1157 days
02/01/2012drupal 7.120 days
05/02/2012drupal 7.1391 days
05/02/2012drupal 7.140 days

Drupal 6 (Every 82 days)

Drupal 6 core updates have been released, on average, every 82 days.
ReleasedVersionDays Since Last Release
12/10/2008drupal 6.70 days
12/11/2008drupal 6.80 days
01/14/2009drupal 6.935 days
02/25/2009drupal 6.1041 days
04/29/2009drupal 6.1163 days
05/13/2009drupal 6.1213 days
07/01/2009drupal 6.1349 days
09/16/2009drupal 6.1476 days
12/16/2009drupal 6.1591 days
03/03/2010drupal 6.1677 days
06/02/2010drupal 6.1790 days
08/11/2010drupal 6.1870 days
08/11/2010drupal 6.190 days
12/15/2010drupal 6.20126 days
05/25/2011drupal 6.21160 days
05/25/2011drupal 6.220 days
02/01/2012drupal 6.23252 days
02/01/2012drupal 6.240 days
02/29/2012drupal 6.2527 days
05/02/2012drupal 6.2662 days

Drupal 5 (Every 57 days)

Drupal 5 core updates have been released, on average, every 57 days.
ReleasedVersionDays Since Last Release
12/05/2007Drupal 5.40 days
12/06/2007Drupal 5.50 days
01/10/2008Drupal 5.636 days
01/28/2008Drupal 5.718 days
07/09/2008Drupal 5.8162 days
07/23/2008Drupal 5.913 days
08/13/2008Drupal 5.1021 days
10/08/2008Drupal 5.1155 days
10/22/2008Drupal 5.1213 days
12/10/2008Drupal 5.1349 days
12/11/2008Drupal 5.140 days
01/14/2009Drupal 5.1535 days
02/25/2009Drupal 5.1641 days
04/29/2009Drupal 5.1763 days
05/13/2009Drupal 5.1813 days
07/01/2009Drupal 5.1949 days
09/16/2009Drupal 5.2076 days
12/16/2009Drupal 5.2191 days
03/03/2010Drupal 5.2277 days
08/11/2010Drupal 5.23160 days

Drupal 4.7 (Every 61 days)

Drupal 4.7 core updates have been released, on average, every 61 days.
ReleasedVersionDays Since Last Release
05/01/2006Drupal 4.7.00 days
05/24/2006Drupal 4.7.123 days
06/01/2006Drupal 4.7.27 days
08/02/2006Drupal 4.7.361 days
10/18/2006Drupal 4.7.477 days
01/04/2007drupal 4.7.578 days
01/29/2007drupal 4.7.624 days
07/26/2007Drupal 4.7.7177 days
10/17/2007drupal 4.7.883 days
12/05/2007Drupal 4.7.948 days
12/06/2007drupal 4.7.100 days
01/10/2008Drupal 4.7.1136 days
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