Upgrade on PM messages:
I find this really annoying when I PM somebody and if the person didn't reply I'll have to go into my send item list and re-send the message again but always end up sending message to myself. What I normally do is open another new PM chat and re-send the message again which is on a separate thread. Is there a better workaround for this?

Bugs when receiving and opening notifications:
I would normally receive an email notification If I'm subscribe to the thread, but sometimes it doesn't send me the email.
If I'm subscribe to a thread and if I receive a notification from the thread and I click on the link which should brought me to the latest reply but sometimes it just stuck in the middle and I have to scroll to the bottom and click on the last page in order to view it.