diff --git a/Project.toml b/Project.toml
index 9dff5742..fbd59188 100644
--- a/Project.toml
+++ b/Project.toml
@@ -32,7 +32,7 @@ RFAZygoteExt = "Zygote"
 
 [compat]
 ArnoldiVandermonde = "0.1.0"
-ComplexRegions = "0.3.9"
+ComplexRegions = "0.3.9, 0.4"
 ComplexValues = "0.3"
 ForwardDiff = "1"
 GenericLinearAlgebra = "0.3, 0.4"
diff --git a/src/aaa.jl b/src/aaa.jl
index ad657e19..19856754 100644
--- a/src/aaa.jl
+++ b/src/aaa.jl
@@ -203,16 +203,14 @@ function aaa(
         y, w = real(y), real(w)
     end
 
+    r = Barycentric(x, y, w)
     if stats
         if isreal(w) && isreal(y)
             weights = real.(weights)
             vals = real.(vals)
         end
-        st = ConvergenceStats(bestm-1, err, nbad, nodes, vals, weights, pol)
-        r = Barycentric(x, y, w; stats=st)
+        return r, (; bestindex=bestm-1, err, nbad, nodes, vals, weights, poles=pol)
     else
-        r = Barycentric(x, y, w)
+        return r
     end
-
-    return r
 end
diff --git a/src/abstract-rational.jl b/src/abstract-rational.jl
index 0310e186..2b991d3b 100644
--- a/src/abstract-rational.jl
+++ b/src/abstract-rational.jl
@@ -78,9 +78,9 @@ abstract type AbstractRationalInterpolant{T,S} <: AbstractRationalFunction{S} en
 # COV_EXCL_START
 # Interface stubs
 "nodes(r) returns a vector of the interpolation nodes of the rational interpolant."
-nodes(::AbstractRationalInterpolant) = error("`nodes` not implemented for $(typeof(r))")
+nodes(r::AbstractRationalInterpolant) = error("`nodes` not implemented for $(typeof(r))")
 "values(r) returns a vector of the nodal values of the rational interpolant `r`."
-Base.values(::AbstractRationalInterpolant) = error("`values` not implemented for $(typeof(r))")
+Base.values(r::AbstractRationalInterpolant) = error("`values` not implemented for $(typeof(r))")
 Base.length(r::AbstractRationalInterpolant) = length(nodes(r))
 # COV_EXCL_STOP