According to Reddit user Cheekywanquer, a line spoken by Yoda (Frank Oz) in the 1980 film predicted that Rey (Daisy Ridley) would play a huge part in the future of the galaxy decades before her introduction in 2015's The Force Awakens.
Yes, Yoda knew Rey had the Ancient Sacred Jedi Texts. It served a specific purpose, to remind Luke of what he told him years before, to pass on what he had learned.
Star Wars: Empire Strikes Back: Why does Yoda say 'there is another'? He's referring to the other child of Anakin Skywalker: His daughter, Luke's fraternal twin sister.
Yoda then peacefully dies at the age of 900, his body disappearing as he becomes "one with the Force". He leaves Luke with the knowledge that "there is another Skywalker." Moments later, Obi-Wan's ghost helps Luke come to the realization that the "other" of whom Yoda spoke is his twin sister, Princess Leia.
But the biggest reveal came midway through Empire when Yoda reveals to Kenobi that there 'is another'. And we learn that this other he speaks of is none other than Luke's own twin sister, Leia.
Yoda confronted Sidious in the heart of the Senate chambers. This erupted into an intense duel between these masters of the Force, a fight that Yoda ultimately lost and was forced to flee. With the Galactic Empire triumphant, Yoda and Obi-Wan were the last of the Jedi.
Yoda held the title of Grand Master of the Jedi Order since the days of the High Republic Era. At some point, Yoda took on a human named Kantam Sy as his Padawan. The two were stationed at the Jedi Temple on the planet Endovar.
With the death of Obi-Wan, Yoda senses that the galaxy is rapidly becoming emptier and emptier. Yoda is then menaced by two more probe droids. Yoda uses the Force to summon lightning and destroy the droids.
Yoda : [Deleted Scene - A dying Yoda confesses to Luke about the truth about Darth Vader] Unfortunate that you must rush to face him. And in complete of your training. That no ready the burden with you.
Yoda's dying words are to Luke, saying, "Luke, there is another Sky- Skywalker..." Yoda is referring to Leia Organa, Luke's twin sister, who may also bring hope to the galaxy if Luke should fail.
The Mandalorian picks up five years after the events of Return of the Jedi, which means the Empire has fallen and Luke, Leia, and Han Solo are still alive elsewhere in the galaxy. Additionally, this means that Rey and Finn have not been born yet and Kylo Ren (still known as Ben Solo as this point) is just a little kid.
Luke didn't know the library was empty: Rey had already spirited the Jedi texts to safety aboard the Millennium Falcon. She then studied them as part of her own training, learning of techniques such as Force healing and the existence of secret worlds such as Exegol.
Leia Organa Solo (born Leia Amidala Skywalker), a Force-sensitive Human female was at various stages of her life, a politician, revolutionary, and Jedi Knight of the New Jedi Order.
Luke fears Rey because she is fated to be a Dark Jedi and because of his vision, he created the only thing that he had ever feared before.
So, as far as the canon goes, yes, Rey is considered a Skywalker. It's just like how any adopted child would be considered a member of the family that they were brought into. Depending on which Star Wars fan you ask, the identity of Rey will vary. Some would consider her a Palpatine because of her blood.
The latest Star Wars reference book confirms Rey possesses a secret Force ability called psychometry. Rey is undoubtedly one of the most powerful Force-users in the galaxy. In part this is biological, because she is the granddaughter of Emperor Palpatine himself.
Although his choice to help with the droid attack on the Wookiees seemed to be a prudent one in Star Wars: Episode III - Revenge of the Sith, Yoda's Kashyyyk mission was actually his worst mistake.
Here are Qui-Gon's original last words, in canon: Obi-Wan: Master! Master!
Legend had it that Yoda—a Jedi who became Grand Master—was trained by N'Kata Del Gormo. A Force-sensitive Hysalrian, N'Kata Del Gormo was trained in the ways of the Force and achieved the rank of Master within the Jedi Order.
He can't call out to Qui-Gon Jinn because he has barely retained a connection with the Cosmic Force. It's why his mind is plagued by the kind of images and voices that drove Anakin to the Dark Side. Obi-Wan has lost his way in much the same way Luke Skywalker will one day.
While the Shaman of the Whills was not there to carry on his teachings, Qui-Gon was able to pass on his knowledge of immortality to Master Yoda. He instructed Yoda to meet with the five Force Priestesses: Serenity, Joy, Anger, Confusion, and Sadness.
Over the years, Anakin came to highly respect Yoda, while Yoda gradually outgrew his fear of Anakin and came to have faith in him and correctly came to believe that Anakin was the Chosen One from the Jedi prophecy.
Ahsoka Tano, a Togruta female, was the Padawan learner to Anakin Skywalker and a hero of the Clone Wars. Alongside Anakin, she grew from headstrong student into a mature leader.
Like all in the Order, the young Korun boy was taught by Grand Master Yoda when he was a learner, and eventually went on to become a Padawan to another Jedi. At one point during his apprenticeship, Windu trained under Master T'ra Saa.
The second time Yoda mentions his long life is in Return of the Jedi, when he tells Luke, “When you reach 900 years old, you will not look as good as you will.” If we take Yoda at his word, that means the Jedi Master died at the ripe old age of 900.