Lucasfilm is reportedly readying the Obi-Wan film was in early development. Stephen Daldry (of Billy Elliot and The Reader fame) was reported as being in talks to helm the project, but there hasn't been a firm update on the situation since then.
The Obi-Wan Kenobi spinoff is expected to take place sometime between the events of Star Wars: Revenge of the Sith (Episode III) and A New Hope (Episode IV). Episode IX in 2019.
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Solo: A Star Wars Story. That would put about six months between the film and Episode IX's release.
Several of Obi-Wan's adventures outside of the mainline Star Wars films has been explored through other mediums at this stage. The animated Star Wars: The Clone Wars series focused on Obi-Wan and Anakin Skywalker's experiences during the Clone Wars, bridging the gap between Attack of the Clones and Revenge of the Sith. Subsequent comic books revealed Obi-Wan's early experiences on Tatooine, while the ongoing Star Wars Rebels TV show featured an appearance by the older Kenobi during its third season. That leaves a relatively small window of time in which the Obi-Wan movie can take place and not conflict with the established Star Wars canon.
At the same time, many Star Wars fans felt Ewan McGregor didn't get a chance to properly shine as Obi-Wan during the prequel trilogy. Giving McGregor's version of the Jedi Knight his own solo film could rectify that and allow the character to bow out of the franchise on a high note. The actor's involvement with the project has yet to be confirmed, but McGregor's return as Obi-Wan feels like a foregone conclusion at this stage. Recasting the role would probably do little more than incite the sort of backlash that Lucasfilm would rather avoid here.
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We will bring you more information on the Obi-Wan Kenobi spinoff as it becomes available.
Source: Omega Underground