Yes, there were some speculations that certain elements of 'The Last Jedi' seemed to have roots in fan fiction concepts. However, the movie is also a product of the official Star Wars creative team's vision. Some fans pointed out similarities in character arcs or plot devices that they thought could have been inspired by fan - created stories.
One interesting 'Last Jedi Fan Fiction' could be about a character who discovers a hidden power within the Force that was overlooked in the movie. For example, a young padawan might find a way to communicate with long - lost Jedi spirits for guidance. Another could be a story where the Resistance finds an unexpected ally from a far - flung planet, adding new dynamics to their fight against the First Order.
For finding 'Last Jedi Fan Fiction', you can try Wattpad as well. Although it has a broad range of content, there are quite a few Star Wars - themed stories there. Social media groups dedicated to Star Wars can also be a great place. Facebook groups or Discord servers related to Star Wars often have members sharing their fan fictions. You just need to keep an eye out for any mentions of 'Last Jedi' - related stories.
One of the parts could be Rey's connection to the Force. Some in the fan fiction community had explored similar strong, almost instinctive connections to the Force in their stories before. Another might be the relationship between Poe and Holdo, as the dynamic between the two and the way their conflict unfolds had a feel that some thought was reminiscent of fan - created scenarios.
Some fans were really excited about the new characters and their development in The Last Jedi. For example, the character of Rose was a fresh addition, and many liked how she brought a different perspective to the story. Also, the way the movie explored the Force in new ways was a big talking point among fans.
The 'Last Jedi novel' is mainly about the events and characters in the Star Wars universe related to 'The Last Jedi'. It delves deeper into the storylines of Rey, Finn, Poe, and Kylo Ren. It might expand on their backstories, their struggles, and their relationships. For example, it could provide more details about Rey's journey in understanding the Force and her connection to the Jedi legacy. It also might give more insights into Kylo Ren's internal conflict between the light and dark side of the Force.
I have no clue about the release date of the 'The Last Jedi' novel. Sometimes these dates can change, so it's hard to say for sure. Just stay tuned to reliable sources for the latest info.