Merge branch 'hotfix/2.6.1.1'
Merge branch 'release/2.6.2.0'
Merge branch 'release/2.6.3.0'
Merge branch 'release/2.8.0.1'
Merge branch 'release/2.8.0.2'
Merge branch 'release/2.8.0.3'
Merge branch 'release/2.8.0.4'
Remove useless source key

* Key was already deactivated
Merge branch 'release/3.0.1.0'
Merge branch 'release/3.0.2.0'
Added missing template for kanban view #4149
Release hotfix version 3.0.2.1
Merge branch 'hotfix/3.0.2.1' into develop