The new plugin "Database Cleaner" is packaged within SonarQube. It aims to delete some rows in database to save some space and to improve overall performances. By default :
These settings can be changed in the page Configuration > Settings > Database Cleaner.
This property has been used in the plugins Checkstyle and PMD. It has been deprecated in version 2.3 and is now deleted, as it is highly unstable and can not provide meaningful results.
Previous versions of the Views plugin are not compatible anymore. This plugin must be upgraded to version 1.5 :
The new Findbugs rule "Dead store due to switch statement fall through to throw" has been added to the default profile "Sonar way with Findbugs". The total number of violations on projects using this profile can increase after upgrading.