I think they should add more people to their team, maybe a more moderator in their forum, or more bounties and events to make things more lively and active. It would be cool if they've become more active to people. To be honest, Quark is not getting much attention so I think something needs to change.
Plan is for masternodes with budgeting in order to supply development funding - this can include things like bounties. Quark was not premined at all so there is simply not a fund for this sort of thing currently, and historically these sorts of things were run from donations which is hard to keep going indefinitely as it constantly relies on people's generosity and typically its always the same people donating.. Anyone who wants to get involved and help can do so - the easiest place to do this from is the Slack, where people are working on a new website, etc.