Sounds like you’re talking about TFA/TLJ/The Sequel Trilogy :

[DuracellEnergizer said:]>
Nope, Lucas ain’t much of a writer. That’s why we got universe-shrinkage, a mystery subplot which went nowhere, and a whole lot of other crap which didn’t need focusing on in the prequels.

“Universe-shrinkage” (wut) - Sequel trilogy solution: Rey is “nobody”, Rebels Vs. Empire 2.0
"Midi-chlorians" - S. T. solution: Force-download-presto-instant-Jedi!
“Mystery subplot which went nowhere” - Sequel trilogy (ahem): Rey’s parents/Jakku, Snoke