During December 2025, Lluc Santa addressed a type size inconsistency in the scala/scala3 repository by refining the TypeSizeAccumulator logic. He canonicalized TupleN types to their recursive *: encoding, ensuring that both Tuple3[Int, Boolean, Double] and its recursive form Int *: Boolean *: Double *: EmptyTuple reported identical sizes. This fix, implemented in Scala, improved the reliability of size-based tooling and analytics by eliminating discrepancies in type size reporting. Lluc validated the solution with a targeted unit test, demonstrating strong skills in compiler design, type systems, and unit testing, and delivered the change with clean commits and CI validation.