Seeing Leia train as a Jedi was undoubtedly a highlight of Star Wars: The Rise of Skywalker. Leia and Luke running around the forest and fighting with lightsabers behind blast shields was undercut only by the fact that we didn’t get to see more of it. However, in the novelization of the film, it seems that backstory…
Source: io9 – Read How Leia One-Upped Luke’s Jedi Training From The Empire Strikes Back