5.05 games on 6.72

So I saw on twitter peeps having issues running 5.05 games on 6.72. A lot peeps saying games need a update to work? If this is correct , how would I go about doing that? From what I remember fpkg games won’t take a ordinal update unless it’s a disc correct? So I’m best bet would be to stay on 5.05 and wait for a tool ( ) to come out? That won’t ever happens as “we “ don’t have the special keys.
so I guess I’m asking what are my options?
I personally dumped all my games but didn’t...

5.05 games on 6.72