On January 10, a 3-judge U.S. District Court upheld Pennsylvania’s U.S. House district boundaries. The vote was 2-1. Agre v Wolf, e.d., 1:17cv-4392.
Each judge wrote separately. The two judges who upheld the districts are D. Brooks Smith, a Bush Jr. appointee, and Patty Shwartz, an Obama appointee. The dissent is by Judge Michael Baylson, a Bush Jr. appointee.
Here is each judge’s opinion: Smith; Shwartz; Baylson. Thanks to Rick Hasen for the links.