diff --git a/include/boo/graphicsdev/IGraphicsCommandQueue.hpp b/include/boo/graphicsdev/IGraphicsCommandQueue.hpp
index f36e4ba..edf29fc 100644
--- a/include/boo/graphicsdev/IGraphicsCommandQueue.hpp
+++ b/include/boo/graphicsdev/IGraphicsCommandQueue.hpp
@@ -3,6 +3,7 @@
 
 #include "IGraphicsDataFactory.hpp"
 #include "boo/IWindow.hpp"
+#include <functional>
 
 namespace boo
 {
@@ -26,6 +27,7 @@ struct IGraphicsCommandQueue
     virtual void setScissor(const SWindowRect& rect)=0;
 
     virtual void resizeRenderTexture(ITextureR* tex, size_t width, size_t height)=0;
+    virtual void schedulePostFrameHandler(std::function<void(void)>&& func)=0;
 
     virtual void setClearColor(const float rgba[4])=0;
     virtual void clearTarget(bool render=true, bool depth=true)=0;
diff --git a/lib/graphicsdev/GL.cpp b/lib/graphicsdev/GL.cpp
index 9596b30..e193bc4 100644
--- a/lib/graphicsdev/GL.cpp
+++ b/lib/graphicsdev/GL.cpp
@@ -727,6 +727,8 @@ struct GLCommandQueue : IGraphicsCommandQueue
 
     /* These members are locked for multithreaded access */
     std::vector<RenderTextureResize> m_pendingResizes;
+    std::vector<std::function<void(void)>> m_pendingPosts1;
+    std::vector<std::function<void(void)>> m_pendingPosts2;
     std::vector<GLVertexFormat*> m_pendingFmtAdds;
     std::vector<std::array<GLuint, 3>> m_pendingFmtDels;
     std::vector<GLTextureR*> m_pendingFboAdds;
@@ -812,6 +814,7 @@ struct GLCommandQueue : IGraphicsCommandQueue
         self->m_initcv.notify_one();
         while (self->m_running)
         {
+            std::vector<std::function<void(void)>> posts;
             {
                 std::unique_lock<std::mutex> lk(self->m_mt);
                 self->m_cv.wait(lk);
@@ -853,6 +856,9 @@ struct GLCommandQueue : IGraphicsCommandQueue
                         glDeleteFramebuffers(1, &fbo);
                     self->m_pendingFboDels.clear();
                 }
+
+                if (self->m_pendingPosts2.size())
+                    posts.swap(self->m_pendingPosts2);
             }
             std::vector<Command>& cmds = self->m_cmdBufs[self->m_drawBuf];
             GLenum prim = GL_TRIANGLES;
@@ -924,6 +930,8 @@ struct GLCommandQueue : IGraphicsCommandQueue
                 }
             }
             cmds.clear();
+            for (auto& p : posts)
+                p();
         }
     }
 
@@ -983,6 +991,11 @@ struct GLCommandQueue : IGraphicsCommandQueue
         m_pendingResizes.push_back({texgl, width, height});
     }
 
+    void schedulePostFrameHandler(std::function<void(void)>&& func)
+    {
+        m_pendingPosts1.push_back(std::move(func));
+    }
+
     void setClearColor(const float rgba[4])
     {
         std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
@@ -1113,6 +1126,10 @@ struct GLCommandQueue : IGraphicsCommandQueue
         datalk.unlock();
         glFlush();
 
+        for (auto& p : m_pendingPosts1)
+            m_pendingPosts2.push_back(std::move(p));
+        m_pendingPosts1.clear();
+
         lk.unlock();
         m_cv.notify_one();
         m_cmdBufs[m_fillBuf].clear();
diff --git a/lib/graphicsdev/Metal.mm b/lib/graphicsdev/Metal.mm
index ec38360..cb2df07 100644
--- a/lib/graphicsdev/Metal.mm
+++ b/lib/graphicsdev/Metal.mm
@@ -611,6 +611,11 @@ struct MetalCommandQueue : IGraphicsCommandQueue
         MetalTextureR* ctex = static_cast<MetalTextureR*>(tex);
         m_texResizes[ctex] = std::make_pair(width, height);
     }
+
+    void schedulePostFrameHandler(std::function<void(void)>&& func)
+    {
+        func();
+    }
     
     void flushBufferUpdates() {}
     
diff --git a/lib/mac/WindowCocoa.mm b/lib/mac/WindowCocoa.mm
index 828b39e..29b40b5 100644
--- a/lib/mac/WindowCocoa.mm
+++ b/lib/mac/WindowCocoa.mm
@@ -729,7 +729,8 @@ enum
 };
 static boo::ESpecialKey translateKeycode(short code)
 {
-    switch (code) {
+    switch (code)
+    {
         case kVK_F1:
             return boo::ESpecialKey::F1;
         case kVK_F2:
@@ -787,14 +788,13 @@ static boo::ESpecialKey translateKeycode(short code)
 {
     if (!booContext->m_callback)
         return;
+    boo::ESpecialKey special = translateKeycode(theEvent.keyCode);
     NSString* chars = theEvent.characters;
-    if ([chars length] == 0 ||
-        [chars characterAtIndex:0] == '\n' ||
-        [chars characterAtIndex:0] == '\r')
-        booContext->m_callback->specialKeyDown(translateKeycode(theEvent.keyCode),
+    if (special != boo::ESpecialKey::None)
+        booContext->m_callback->specialKeyDown(special,
                                                getMod(theEvent.modifierFlags),
                                                theEvent.isARepeat);
-    else
+    else if ([chars length])
         booContext->m_callback->charKeyDown([chars characterAtIndex:0],
                                             getMod(theEvent.modifierFlags),
                                             theEvent.isARepeat);
@@ -804,11 +804,12 @@ static boo::ESpecialKey translateKeycode(short code)
 {
     if (!booContext->m_callback)
         return;
+    boo::ESpecialKey special = translateKeycode(theEvent.keyCode);
     NSString* chars = theEvent.characters;
-    if ([chars length] == 0)
-        booContext->m_callback->specialKeyUp(translateKeycode(theEvent.keyCode),
+    if (special != boo::ESpecialKey::None)
+        booContext->m_callback->specialKeyUp(special,
                                              getMod(theEvent.modifierFlags));
-    else
+    else if ([chars length])
         booContext->m_callback->charKeyUp([chars characterAtIndex:0],
                                           getMod(theEvent.modifierFlags));
 }
@@ -1074,6 +1075,9 @@ public:
             case EMouseCursor::VerticalArrow:
                 [[NSCursor resizeUpDownCursor] set];
                 break;
+            case EMouseCursor::IBeam:
+                [[NSCursor IBeamCursor] set];
+                break;
             default: break;
             }
         });