The beat-match tuner now looks the way it feels: two arrows fly in from the edges and meet at a center line exactly on the beat, rhythm-game style, with a flare on contact. Tap ← → until the beep in your ears lands right as they meet — your eye can ride the motion in, which makes tuning faster and more precise than the old pulsing ring.
Install: open the .dmg, drag Split to Applications. First launch on a new Mac: Privacy & Security → Open Anyway (one time).