diff -r e9a460a0e638 -r 9c6432200aba src/lib.rs
--- a/src/lib.rs	Sun Jul 19 07:34:39 2026 +0200
+++ b/src/lib.rs	Thu Jul 16 10:13:22 2026 +0300
@@ -234,6 +234,10 @@
     /// This has worse convergence guarantees that merging based on optimality conditions.
     pub fitness_merging: Option<bool>,
 
+    #[arg(long)]
+    /// Scaling heuristic factor
+    pub scaling_heuristic: Option<F>,
+
     #[arg(long, value_names = &["ε", "θ", "p"])]
     /// Set the tolerance to ε_k = ε/(1+θk)^p
     pub tolerance: Option<Vec<F>>,