Scroll down to the bottom of the page, click on developers, and watch that discussion.
There is a screened data dump available for analysis.
Screening is a field listing whether your idea is on-topic. This is not a public field.
Read further, and you'll see that they do not want anyone to have a full dataset.
Voting on Ideas
Vote for your favorite ideas by clicking on the up arrow.To undo an upvote, simply click the arrow again. This second click removes your vote.