When I post in a thread using "quick post" and I refresh the general discussion page, the thread in which I posted is bumped and its title is white, not grey (meaning that there is a new post, even though that post is mine and I've already seen it). I'm not sure if that happens with every "quick post".
EDIT: For this post, in which I used "quick reply", the thread title was grey.
I also used the simple "quick post" in another couple of threads and their titles were white, so I'm guessing the issue is limited to "quick post", not "quick reply".
Thanks. I'll try to replicate this and see what I can do about it.