Prime Clone
Super Freak
So RO is clearly the New Hope prequel and no longer ROTS, although it still is?
"RO is the prequel we deserve, just not the one we need right now."
As an anthology film it sits below the major episodes as an optional extra, i.e. not essential to the main saga (hence the lack of an opening crawl). But of course it can be watched as a standalone or among the main instalments.
I'm no doubt in the minority round these parts, but I rank RO roughly in the same league as ROTS, putting it slightly below TFA, with the OT above that.