How would you leave a company that's treated you unfairly in the past?

I have been treated unfairly in the past for things out of my control, but have since been vindicated. I am thinking of leaving with dignity and grace when I get the chance, though I also want to point out where things need to improve. Thoughts?
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11 mo
UpdatePlease move
How would you leave a company that's treated you unfairly in the past?
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