Newly-compatible titles aren't any longer
You know how a bunch of us were thrilled to see Sony finally "unlock" the remaining PSP and PS1 games for use on PS Vita earlier this week? It took forever to see that list of compatible titles grow, but it had finally happened. And there was much rejoicing.
Apparently, it was all just an accident. It's been undone. I guess that explains why Sony never issued a statement. Users who were able to download games like Crash Bandicoot and other treasures locked away from PS Vita are once again not able to do so. We're back to the way things were. If you did manage to get some of your titles downloaded, though, you're in luck.