diff --git a/Include/Core/Classes/FontFamily.hpp b/Include/Core/Classes/FontFamily.hpp
index 0a14d3c..7c87622 100644
--- a/Include/Core/Classes/FontFamily.hpp
+++ b/Include/Core/Classes/FontFamily.hpp
@@ -21,6 +21,7 @@ namespace Internal
             std::vector<std::int32_t> GetGlyphWidthOffsets() const;
             std::vector<std::int32_t> GetGlyphWidths() const;
             std::vector<std::vector<std::int8_t>> GetGlyphs() const;
+            std::int32_t GetHeightSpacing() const;
 
     };
 }
diff --git a/Include/Core/Internal.hpp b/Include/Core/Internal.hpp
index f22d787..34672ac 100644
--- a/Include/Core/Internal.hpp
+++ b/Include/Core/Internal.hpp
@@ -185,6 +185,7 @@ namespace Internal
     std::int32_t GetViewportScale();
     std::int32_t GetViewportWidth();
     std::int32_t GetWeight();
+    Cache GetWidgetFontCache();
     HashTable GetWidgetNodeCache();
     std::int32_t GetWidgetRoot();
     std::vector<std::vector<Widget>> GetWidgets();
diff --git a/Include/Core/Paint.hpp b/Include/Core/Paint.hpp
index 16c6a6d..1d7d467 100644
--- a/Include/Core/Paint.hpp
+++ b/Include/Core/Paint.hpp
@@ -32,6 +32,7 @@ class Paint
         static void DrawModel(const std::vector<Point>& Model, std::uint8_t Red, std::uint8_t Green, std::uint8_t Blue, std::uint8_t Alpha);
         static void DrawString(const std::string& String, const Point& P, std::uint8_t Red, std::uint8_t Green, std::uint8_t Blue, std::uint8_t Alpha);
         static void DrawPixels(const std::vector<Pixel> Pixels, std::uint32_t Width, std::uint32_t Height, const Point& P);
+        static void SwapBuffer();
 };
 
 /** @} */
diff --git a/Include/Game/Interactable/Item.hpp b/Include/Game/Interactable/Item.hpp
index 0de4159..8944f49 100644
--- a/Include/Game/Interactable/Item.hpp
+++ b/Include/Game/Interactable/Item.hpp
@@ -28,6 +28,7 @@ namespace Interactable
             bool Exists() const;
             static bool ItemsExist(const std::vector<Interactable::Item>& Items);
             bool IsInterfaceOpen() const;
+            bool OpenInterface() const;
 
             std::int32_t GetID() const;
             std::int32_t GetIndex() const;
diff --git a/Library/libAlpacaLibrary.a b/Library/libAlpacaLibrary.a
index 7b639d6..c3ceeaf 100644
Binary files a/Library/libAlpacaLibrary.a and b/Library/libAlpacaLibrary.a differ