The settlement is laughable given the number of people whose salaries were held down as a result of this collusion. It's not just workers at these companies that suffer. It has a network effect of holding salaries down at companies which aren't even colluding. Another example of (usually giant) companies deciding to risk breaking the law because its cheaper in the long run to do so.
Based on what I've heard about current salaries for in-demand people, I think it's safe to say that any depressing effect on software engineers' salaries is long gone?
And if not, and this is what holding down salaries looks like, imagine what the housing market would be like without it.