A federal court has put the brakes on Alabama's efforts to revert to its 2023 congressional maps for this year's elections . Why it matters: If Alabamans vote this fall under the 2023 maps, one of the state's seven House seats would likely flip from blue to red. The decision also carries implications for Alabama's upcoming special primaries, with wheels already turning on a plan to put the former maps in effect for midterm elections. The latest: A three-judge panel on Tuesday blocked the state from using its 2023 maps and ordered it to instead use court-drawn maps that were instituted after the previous maps were struck down for intentionally diluting minority voting power. The state is planning to appeal. Catch up quick: Earlier this month, the U.S. Supreme Court lifted lower-court injunctions blocking the state from using the 2023 maps, after Alabama Attorney General Steve Marshall filed emergency motions to that effect in the wake of the Louisiana v. Callais ruling .…