diff --git a/Charts.podspec b/Charts.podspec
index 87d50ceb8a..3fa170b41d 100644
--- a/Charts.podspec
+++ b/Charts.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = "Charts"
-  s.version = "3.3.4"
+  s.version = "3.3.4.1"
   s.summary = "Charts is a powerful & easy to use chart library for iOS, tvOS and OSX (and Android)"
   s.homepage = "https://github.com/danielgindi/Charts"
   s.license = { :type => "Apache License, Version 2.0", :file => "LICENSE" }
diff --git a/Source/Charts/Animation/ChartAnimationEasing.swift b/Source/Charts/Animation/ChartAnimationEasing.swift
index 58b0b632d8..d04870ceda 100644
--- a/Source/Charts/Animation/ChartAnimationEasing.swift
+++ b/Source/Charts/Animation/ChartAnimationEasing.swift
@@ -341,7 +341,7 @@ internal struct EasingFunctions
         let s: TimeInterval = 1.70158
         var position: TimeInterval = elapsed / duration
         position -= 1.0
-        return Double( position * position * ((s + 1.0) * position + s) + 1.0 )
+        return Double(position * position * ((s + Double(1.0)) * position + s) + Double(1.0) )
     }
     
     internal static let EaseInOutBack = { (elapsed: TimeInterval, duration: TimeInterval) -> Double in
diff --git a/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift b/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift
index 1a9d235395..319b6073ca 100644
--- a/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift
+++ b/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift
@@ -530,6 +530,13 @@ extension ChartDataSet: RandomAccessCollection {
 
 // MARK: RangeReplaceableCollection
 extension ChartDataSet: RangeReplaceableCollection {
+    
+    public func replaceSubrange<C>(_ subrange: Swift.Range<Index>, with newElements: C) where C : Collection, Element == C.Element {
+        entries.replaceSubrange(subrange, with: newElements)
+        notifyDataSetChanged()
+    }
+
+    
     public func append(_ newElement: Element) {
         calcMinMax(entry: newElement)
         entries.append(newElement)