I open MNL and go first to "New Posts." So far, it shows me everything I haven't read since the last visit correctly. I tried to find a setting to help you but I don't see anything that sounds related. Could try the good old sign-off-and-log-out-of-everything-then-reboot-the-computer trick.
Nissan 2012 LEAF SL, 13,500 miles, 9 bars, 35-mile range
Tesla Model 3: Long Range Rear Wheel Drive | Extended AutoPilot | Full Self-Driving | HW3 Upgrade
Delivered: July, 2018 | 15,500 miles | PM me for Tesla referral code