diff --git a/AsyncDisplayKit/ASLayoutSpec+Debug.m b/AsyncDisplayKit/ASLayoutSpec+Debug.m
index 8923593f..e6268cb6 100644
--- a/AsyncDisplayKit/ASLayoutSpec+Debug.m
+++ b/AsyncDisplayKit/ASLayoutSpec+Debug.m
@@ -37,9 +37,11 @@
   insetSpec.neverShouldVisualize = YES;
 
   // propogate child's layoutSpec properties to the inset that we are adding
-  insetSpec.flexGrow   = _layoutSpec.flexGrow;
-  insetSpec.flexShrink = _layoutSpec.flexShrink;
-  insetSpec.alignSelf  = _layoutSpec.alignSelf;
+//  insetSpec.flexGrow   = _layoutSpec.flexGrow;
+//  insetSpec.flexShrink = _layoutSpec.flexShrink;
+//  insetSpec.alignSelf  = _layoutSpec.alignSelf;
+  
+  NSLog(@"%@: vizNode = %d, child = %d", self, insetSpec.flexGrow, _layoutSpec.flexGrow);
   
   return insetSpec;
 }
diff --git a/AsyncDisplayKit/Private/ASEnvironmentInternal.mm b/AsyncDisplayKit/Private/ASEnvironmentInternal.mm
index 83ea991b..39f5a996 100644
--- a/AsyncDisplayKit/Private/ASEnvironmentInternal.mm
+++ b/AsyncDisplayKit/Private/ASEnvironmentInternal.mm
@@ -15,7 +15,7 @@
 //#define LOG(...) NSLog(__VA_ARGS__)
 #define LOG(...)
 
-#define AS_SUPPORT_PROPAGATION NO
+#define AS_SUPPORT_PROPAGATION YES
 
 BOOL ASEnvironmentStatePropagationEnabled()
 {
@@ -139,6 +139,9 @@ ASEnvironmentState ASEnvironmentMergeObjectAndState(ASEnvironmentState environme
     if (parentLayoutOptionsState.flexGrow == defaultState.flexGrow) {
       parentLayoutOptionsState.flexGrow = layoutOptionsState.flexGrow;
     }
+    if (parentLayoutOptionsState.flexShrink == defaultState.flexShrink) {
+      parentLayoutOptionsState.flexShrink = layoutOptionsState.flexShrink;
+    }
     if (ASRelativeDimensionEqualToRelativeDimension(parentLayoutOptionsState.flexBasis, defaultState.flexBasis)) {
       parentLayoutOptionsState.flexBasis = layoutOptionsState.flexBasis;
     }
diff --git a/examples/ASLayoutSpecPlayground/Sample/PlaygroundNode.m b/examples/ASLayoutSpecPlayground/Sample/PlaygroundNode.m
index 0a871fce..f19fe104 100644
--- a/examples/ASLayoutSpecPlayground/Sample/PlaygroundNode.m
+++ b/examples/ASLayoutSpecPlayground/Sample/PlaygroundNode.m
@@ -64,6 +64,8 @@
     _photoDescriptionLabel                      = [[ASTextNode alloc] init];
     _photoDescriptionLabel.attributedString     = [self descriptionAttributedStringWithFontSize:FONT_SIZE];
     _photoDescriptionLabel.maximumNumberOfLines = 3;
+    
+    
   }
   
   return self;
@@ -95,7 +97,8 @@
   
   ASLayoutSpec *spacer               = [[ASLayoutSpec alloc] init];
   spacer.flexGrow                    = YES;
-  spacer.flexShrink                  = YES;
+  spacer.flexShrink                  = YES;  // FIXME: this overrides stuff :) THIS IS A SYSTEMIC ISSUE - can we make layoutSpecThatFits only run once? cache layoutSpec, just use new constrainedSize, don't put properties in layoutSpecThatFits
+  // separate the idea of laying out and rerunning with new constrainedSize
   
   ASStackLayoutSpec *headerStack     = [ASStackLayoutSpec horizontalStackLayoutSpec];
   headerStack.alignItems             = ASStackLayoutAlignItemsCenter;                     // center items vertically in horizontal stack