At Pressidium we are responsible for upgrading your WordPress site when a official stable release in announced (major or minor) so you don't need to move a finger. Since, we are doing the updates for you, we have disabled the default WordPress update procedure, which in turn means you cannot run default manual updates.
Despite that, if for any reason our upgrade cycle does not fit your needs or you simply need to upgrade immediately, then there is a solution for you too! To trigger the automated core update procedure you can use our special plugin which is installed by default on your WordPress site. To do so, navigate to our plugin and from the utility tab, click on the update button as shown in the picture bellow :