Edvard stated: source post
There's a new glitch that's getting annoying lately with the private messages. People pm me and the chats don't open/reach me. I have to manually open them, just to find out those people had already said smth in my pm earlier. I am not sure why this happens, it could be related to not receiving the pms while writing a reply to a thread? It didn't use to be like this.
If you pm me and I don't reply, it's probably because of the glitch, so keep pming me or give me a heads up in public chat.
I figured out why this happens. Indeed when you are writing a reply in the forum, you're disconnected from chat, like you are offline. If someone starts a pm with you during that time, it won't show. It will be like they pmed you while you were offline. I tested this.