When you upgrade to ePO 5.10 Update 13, in the ePO Summary dashboard, under the monitor "Repository Package Status," the time stamp no longer syncs with the last successful Pull task log entry. 

The dashboard shows the following, where <date/time> has the date and time of the last successful Pull task before the ePO 5.10 Update 13 upgrade:

The last Main Repository pull was at <date/time> and was successful.