Star Wars: Episode III.V: Where All My Bothans At? [SPOILERS]

[KaiserStratosTygo]

An Old republic movie would be badass, though that era could probably be made into 9 movies itself.

[unknownone]

The biggest plot hole which it addresses is why the Death Star had the absurd weakness that led to its demise in StarWars IV and how the rebels got its plans.

I haven't seen the original trilogy in a while so can anyone tell me how Rogue One fixed some plot holes in it?