In a 6-3 vote, the court granted a request by the Trump administration to narrow the scope of nationwide injunctions imposed by judges so that they apply only to states, groups and individuals that sued. That means the birthright citizenship proposal can likely move forward at least in part in the states that challenged it as well as those that did not.
https://www.nbcnews.com/politics/supreme-court/supreme-court-curbs-injunctions-blocked-trumps-birthright-citizenship-rcna199742