See this press release, which includes the state’s response to the plaintiffs’ remedial proposals.
Also, check out Kimberly Reeves’ article in the Austin Chronicle, “GOP Redistricting: Hosing down the ballot,” which begins: “In the old-school bare-knuckle combat of partisan politics, the concept of Travis County without a Democratic congressman would be unthinkable.”
UPDATE: You can find plaintiffs’ responses, and other relevant documents, here.