Incorrect grouping of MMS
I had a SMS conversation going on with two friends, let's say A and B.
Today, B sends a new message to me, A, and includes another person, C. This should be grouped as a new conversation (because of a new participant) but got grouped as part of the previous conversation with A and B, in which C wasn't involved. My replies went only to A and B, not C.
I found out only through the stock messaging app. Running stock Android 4.3 on Nexus 4.