Right now, milestones show a list of "today's milestones". The problem with this, is that it seems to be in accordance with IndieHacker's server time.
That means that if I am in a timezone where the beginning of the "day" is actually at 1 AM, then I am unlikely to make a milestone there and less likely to be seen.
This leads to people's milestones being hidden away by the ones that had the chance to receive more upvotes.
I know this is how Product Hunt does it as well, but why not change it into showing milestones from the past 24 hours?
That way, you don't give anyone an unfair advantage, and it should be a fairly simple change I suppose.