Yes it is very easy to reproduce it: just wait for someone to send you a message (without opening the conversation first) and click on the messaging menu just after you received it (in fact quickly enough to open the conversation before the "old" notification disapears).
Yes it is very easy to reproduce it: just wait for someone to send you a message (without opening the conversation first) and click on the messaging menu just after you received it (in fact quickly enough to open the conversation before the "old" notification disapears).