First and foremost, be nice. Secondly, you should assume that anything you "need" will not be built by anyone but you. If you end up with a "showstopper" in OSS

First and foremost, be nice. Secondly, you should assume that anything you "need" will not be built by anyone but you. If you end up with a "showstopper" in OSS, it is time for helpful contributions. Either that or you should find a different solution. A helpful contribution might including opening a civil dialogue about a feature. "Is this a feature that the project could consider within scope? How could I go about adding that feature?" Ask for guidance; don't demand solutions.