John Kruzel had this information in The Hill:

Federal judges will no longer play the role of referee when the intensely partisan, once-per-decade fight over congressional mapmaking gets underway this year.

As a result of decisions by the Roberts Court, federal courthouses will be forced to turn away even the most egregious cases of partisan gerrymandering, which could make it easier for state lawmakers to lock in politically manipulated voting maps for the next decade. 

“Now that the Supreme Court has officially retreated from the area, they’ve set off what will likely be an arms race between the parties to gerrymander to the fullest extent they can in the states where they hold control,” said G. Michael Parsons, a scholar at New York University School of Law. 

Read the full article here.