diff --git a/Source/ASExperimentalFeatures.h b/Source/ASExperimentalFeatures.h
index f6a6be4ee..8b54a4ad1 100644
--- a/Source/ASExperimentalFeatures.h
+++ b/Source/ASExperimentalFeatures.h
@@ -31,6 +31,8 @@ typedef NS_OPTIONS(NSUInteger, ASExperimentalFeatures) {
   ASExperimentalDisableGlobalTextkitLock = 1 << 10,                         // exp_disable_global_textkit_lock
   ASExperimentalMainThreadOnlyDataController = 1 << 11,                     // exp_main_thread_only_data_controller
   ASExperimentalRangeUpdateOnChangesetUpdate = 1 << 12,                     // exp_range_update_on_changeset_update
+  ASExperimentalNoTextRendererCache = 1 << 13,                              // exp_no_text_renderer_cache
+  ASExperimentalLockTextRendererCache = 1 << 14,                            // exp_lock_text_renderer_cache
   ASExperimentalFeatureAll = 0xFFFFFFFF
 };
 
diff --git a/Source/ASExperimentalFeatures.mm b/Source/ASExperimentalFeatures.mm
index 59467c89b..a5a10ebd6 100644
--- a/Source/ASExperimentalFeatures.mm
+++ b/Source/ASExperimentalFeatures.mm
@@ -24,7 +24,10 @@
                                       @"exp_optimize_data_controller_pipeline",
                                       @"exp_disable_global_textkit_lock",
                                       @"exp_main_thread_only_data_controller",
-                                      @"exp_range_update_on_changeset_update"]));
+                                      @"exp_range_update_on_changeset_update",
+                                      @"exp_no_text_renderer_cache",
+                                      @"exp_lock_text_renderer_cache"]));
+
   if (flags == ASExperimentalFeatureAll) {
     return allNames;
   }
diff --git a/Source/ASTextNode.mm b/Source/ASTextNode.mm
index 29ff9b844..dfe649612 100644
--- a/Source/ASTextNode.mm
+++ b/Source/ASTextNode.mm
@@ -115,7 +115,7 @@ - (BOOL)isEqual:(ASTextNodeRendererKey *)object
  we maintain a LRU renderer cache that is queried via a unique key based on text kit attributes and constrained size. 
  */
 
-static ASTextKitRenderer *rendererForAttributes(ASTextKitAttributes attributes, CGSize constrainedSize)
+static ASTextKitRenderer *_rendererForAttributes(ASTextKitAttributes attributes, CGSize constrainedSize)
 {
   NSCache *cache = sharedRendererCache();
   
@@ -130,6 +130,23 @@ - (BOOL)isEqual:(ASTextNodeRendererKey *)object
   return renderer;
 }
 
+static AS::RecursiveMutex __sharedRendererCacheInstanceLock__;
+
+static ASTextKitRenderer *rendererForAttributes(ASTextKitAttributes attributes, CGSize constrainedSize)
+{
+  BOOL neverCache = ASActivateExperimentalFeature(ASExperimentalNoTextRendererCache);
+  if (neverCache) {
+    return [[ASTextKitRenderer alloc] initWithTextKitAttributes:attributes constrainedSize:constrainedSize];
+  }
+  
+  BOOL lockCache = ASActivateExperimentalFeature(ASExperimentalLockTextRendererCache);
+  if (lockCache) {
+    AS::MutexLocker l(__sharedRendererCacheInstanceLock__);
+    return _rendererForAttributes(attributes, constrainedSize);
+  }
+  return _rendererForAttributes(attributes, constrainedSize);
+}
+
 #pragma mark - ASTextNodeDrawParameter
 
 @interface ASTextNodeDrawParameter : NSObject {