Very often when I want to add a new post to an existing thread the Post Reply button doesn't reload the page. The page shows the "thinking" widget in the upper right corner and my post is still in the editing state. I need to reload the page manually. The post is being added but what I wrote is not deleted, the text is already pasted to a new post as if Firefox remembered that it hasn't been posted (albeit it was). I am using Firefox (latest version compiled from ports) on FreeBSD 10.2/10.3. Had anyone notice this as well?