Canonically, we still don't know what happened to Obi-Wan Kenobi's lightsaber after A New Hope. But Legends says otherwise.

Star Wars just announced a brand-new Darth Vader novel, Star Wars: Master of Evil, written by beloved Star Wars author Adam ...

Episode III - Revenge of the Sith" and about nine years before the events of "Rogue One" and "Star Wars: Episode IV: A New Hope." Does Darth Vader appear in the 'Obi-Wan Kenobi' series?