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‘Halo’ Canceled After Two Seasons at Paramount+
(variety.com)
* : Denotes a date based on leaks and, while likely, is subject to change.
I feel like non-canon CAN work, but with the main character being the Chief and not acting very Chief-like, it was doomed to fail from the start. Other Spartans could work. I mean, they made a new one for Dead or Alive, FFS.
They also ruined Soren.
Soren is an established character in the Halo universe and he's a tragic hero. His fatal flaw is emotional immaturity. He can't handle his anger and he loses everyone he loves as a result, eventually being easily manipulated by an insurrectionist into going AWOL. Also, he can't wear MJOLNIR because of his deformities and this is a defining fact for him because it meant he could never be a Spartan. It's why he's so angry.
So naturally in the show they made him a suave and emotionally intelligent pirate captain who loves his wife and son and who wears MJOLNIR armour that he stole when he decided not to be a Spartan.