The terms of the settlement (allegedly, the terms are not actually public) include the Michigan Republican Party admitting they were engaging in an illegal scheme to use mortgage foreclosure lists to disenfranchise voters.
Strangely enough, the Michigan GOP press release claims this was a frivolous lawsuit. It doesn't deny the existence of the scheme, but instead claims there's no proof that the scheme existed.
While this statement may be legally correct, it doesn't actually contradict the Democrats' statement. Neither side has an interest in violating the settlement; that would be bad.