Undue amounts of screen time spent on inconsequential but emphatically diverse auxiliary characters.

Neo and trinity are barely in it (trinity is a borderline guarentee since there's a new white rabbit) Overlaps with dies off early

All the subtlety of the original will be utterly eradicated in favor of an unyielding lecture of how you should feel

Bizarre tonal whiplash from sudden and out of place quips and/or jokes a la Marvel/ every Disney movie now.