patch3.diff

--- src/controller.ts
+++ src/controller.ts
@@ -590,13 +590,9 @@
              this.actionTimers.down %= SOFT_DROP_SPEED;
              // Cap steps to prevent freeze/tunneling
              // FIX: Latency - optimize maximum sonic drop steps
-             // Only calculate getGhostY if we might actually do steps. If steps is larger than game height, cap it.
-             // The maximum drop distance is the playfield height (20) plus hidden rows.
-             if (steps > 22) {
-                 steps = 22;
-             }
-             const maxDrop = Math.max(0, this.game.getGhostY() - this.game.activPiece.y);
-             if (steps > maxDrop) steps = maxDrop;
+             // Rather than calling the expensive `getGhostY` every frame just to cap steps,
+             // cap it to the maximum playfield height (20) plus hidden rows (2), relying on the break below.
+             if (steps > 22) steps = 22;

              // Only move down if it's not going to lock immediately
              // Give a small rotation buffer by not soft dropping into a lock if dt is huge