user69: 
A nearly month old question just popped up in my first-posts queue, is there any reason why this would happen?  It went into the queue 56 minutes ago and was taken straight out when I voted on it as a mod.

user183: Over time we've tweaked the exact criteria where posts go into different queues, I'm fairly sure this post was enqueued when we last tweaked the first posts queue.

69: <p><img src="https://i.stack.imgur.com/js3zm.png" alt="First Post Queue"></p>

<p>A <a href="https://biology.stackexchange.com/questions/5649/is-it-possible-that-the-recipient-of-a-heart-transplant-would-display-some-of-th">nearly month old question</a> just popped up in my first-posts queue, is there any reason why this would happen?  It went into the queue 56 minutes ago and was taken straight out when I voted on it as a mod.</p>
 183: <p>Over time we've tweaked the exact criteria where posts go into different queues, I'm fairly sure this post was enqueued when we last tweaked the first posts queue.</p>
