Hi, the Posts module includes sticky posts in the output. So if I have 1 sticky post on my site and I set the Posts module to show me 5 posts, the number of posts output would be 6 (1 sticky post + 5 normal posts).
I realize that sticky posts are returned by default with a WP_Query but I think it’s a bug in the Posts module, because it’s not what the user expects and there is no option to avoid including the sticky posts.
Hope you guys will fix it. Thanks!