Projects get abandoned all the time, you are not entitled to receive any updates.
Even if, say, you bought a premium membership, you still paid that to use the site as is. AFAIK, premium membership only grants you usage without ads, no promises of updates have been made.
If I look at their Twitter account, they haven't posted anything since 2015, so I really doubt that they're going to issue any updates soon.
Better just switch to something else entirely.