As noted before, Kenny Omega has been out of action for AEW since this past January due to him suffering from diverticulitis and underwent surgery this past May for it. Besides Omega, Kota Ibushi has also been out of action for AEW since this past January due to injuries to both of his ankles.
In response to a recent fan question on Twitter, Ibushi provided an update stating that he will be making a full comeback to AEW and he will return when Omega also returns from his injury.
No, my home is AEW. We'll see a full comeback with Kenny.
— 飯伏 幸太 (@ibushi_kota) August 8, 2024

Dave Meltzer reported in a recent episode of the Wrestling Observer Radio that his sources provided updates regarding the health and recovery status of both Omega and Ibushi.
In regards to Ibushi, Meltzer reported that his sources confirmed that Ibushi is currently expected to return around the same time as Omega. Ibushi reportedly has healed up enough from his ankles injuries and is just waiting for when Omega is cleared from his diverticulitis.
In regards to Omega, Meltzer reported that Omega has been getting better and while there is still no date set for his return, it is currently believed to not be that far away. Meltzer stated that a usual recovery for the surgery that Omega underwent would be around four months which would put a potential return date of mid-September. Meltzer reported that Omega’s return date likely is a bit farther back due to he had been dealing with a lot of different health and injuries related problems. Meltzer speculated that Omega likely will return before the end of this year.