There is an article in the latest economist about this. https://www.economist.com/middle-east-and-africa/2021/03/30/the-jam-in-the-suez-canal-highlights-egypts-

There is an article in the latest economist about this. https://www.economist.com/middle-east-and-africa/2021/03/30/the-jam-in-the-suez-canal-highlights-egypts-taste-for-mega-projects https://www.economist.com/middle-east-and-africa/2021/03/30/... (Probably unfortunately behind a PayWall) The super short summary is that they say a further expansion is not necessary. Even the previous one wasn't needed an hasn't brought in the benefits they had hoped/promised.