Another problem I realized with the mandoverse deciding that we don't need to see Luke and Ahsoka meeting
The lack of importance in the meeting between Anakin's son and Anakin's apprentice makes it seem as if Ahsoka isn't such
Ahsoka in mandalorian and tbobf might as well be just some random Jedi survivor unconnected to the Skywalkers, because that's how she's treated, as someone with no connection to the family
And I just know that when her show comes out there's gonna be a bunch of idiots going "wait why is she Anakin's apprentice" because the previous shows treated her as if she wasn't, said idiots only watch mandoverse shows, and they don't respect/watch sw animation even though it's foundational to canon
This would be when Kallus is still undercover as Fulcrum, and he comes across the Spectres during one of their missions which of course goes sideways so he has to cover their escape. BUT he gets hurt doing so and chaos happens and basically the only way to help the Spectres escape is to sabatoge the ship. Kallus is too injured to move and resigns to go down with it, believing he's not worth saving but fine with that as long as the Spectres make it out safely. BUT of course Zeb is having none of that and comes back for him! Saves him just in the nick of time and the rest of the ship goes down so Kallus's undercover status stays intact.
OR
An alternate way for Kallus's final full defection to play out, he manages to get away from Thrawn but is still badly hurt and doesn't make it onto an escape pod. Somehow Zeb manages to get onto the ship (or maybe was already on the ship for whatever Plot reasons) and comes to save him.