diff --git a/juce_amalgamated.cpp b/juce_amalgamated.cpp
index 023befd607..0688a90c16 100644
--- a/juce_amalgamated.cpp
+++ b/juce_amalgamated.cpp
@@ -271956,7 +271956,8 @@ JUCE_API bool JUCE_CALLTYPE Process::isRunningUnderDebugger()
 // compiled on its own).
 #if JUCE_INCLUDED_FILE
 
-#if (JUCE_MAC && defined (MAC_OS_X_VERSION_10_5) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) \
+#if (JUCE_MAC && defined (MAC_OS_X_VERSION_10_5) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 \
+		&& MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5) \
 	 || (JUCE_IOS && defined (__IPHONE_3_0) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_3_2)
  #define JUCE_CORETEXT_AVAILABLE 1
 #endif
@@ -276957,7 +276958,8 @@ MidiInput* MidiInput::openDevice (int index, MidiInputCallback* callback)   { re
 // compiled on its own).
 #if JUCE_INCLUDED_FILE
 
-#if (JUCE_MAC && defined (MAC_OS_X_VERSION_10_5) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) \
+#if (JUCE_MAC && defined (MAC_OS_X_VERSION_10_5) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 \
+		&& MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5) \
 	 || (JUCE_IOS && defined (__IPHONE_3_0) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_3_2)
  #define JUCE_CORETEXT_AVAILABLE 1
 #endif
diff --git a/juce_amalgamated.h b/juce_amalgamated.h
index 6e97b11b4f..2a237d8baa 100644
--- a/juce_amalgamated.h
+++ b/juce_amalgamated.h
@@ -73,7 +73,7 @@ namespace JuceDummyNamespace {}
 */
 #define JUCE_MAJOR_VERSION	  1
 #define JUCE_MINOR_VERSION	  53
-#define JUCE_BUILDNUMBER	80
+#define JUCE_BUILDNUMBER	81
 
 /** Current Juce version number.
 
@@ -21599,7 +21599,7 @@ class WeakReference
 {
 public:
 	/** Creates a null SafePointer. */
-	WeakReference() noexcept {}
+	inline WeakReference() noexcept {}
 
 	/** Creates a WeakReference that points at the given object. */
 	WeakReference (ObjectType* const object)  : holder (object != nullptr ? object->getWeakReference() : nullptr) {}
diff --git a/src/core/juce_StandardHeader.h b/src/core/juce_StandardHeader.h
index 9f728781fe..34d5848f6f 100644
--- a/src/core/juce_StandardHeader.h
+++ b/src/core/juce_StandardHeader.h
@@ -33,7 +33,7 @@
 */
 #define JUCE_MAJOR_VERSION      1
 #define JUCE_MINOR_VERSION      53
-#define JUCE_BUILDNUMBER        80
+#define JUCE_BUILDNUMBER        81
 
 /** Current Juce version number.
 
diff --git a/src/memory/juce_WeakReference.h b/src/memory/juce_WeakReference.h
index 7f3687cf7e..74751b4f2c 100644
--- a/src/memory/juce_WeakReference.h
+++ b/src/memory/juce_WeakReference.h
@@ -86,7 +86,7 @@ class WeakReference
 {
 public:
     /** Creates a null SafePointer. */
-    WeakReference() noexcept {}
+    inline WeakReference() noexcept {}
 
     /** Creates a WeakReference that points at the given object. */
     WeakReference (ObjectType* const object)  : holder (object != nullptr ? object->getWeakReference() : nullptr) {}
diff --git a/src/native/mac/juce_mac_Fonts.mm b/src/native/mac/juce_mac_Fonts.mm
index 03f6a08fbf..c2cc00b5e1 100644
--- a/src/native/mac/juce_mac_Fonts.mm
+++ b/src/native/mac/juce_mac_Fonts.mm
@@ -27,7 +27,8 @@
 // compiled on its own).
 #if JUCE_INCLUDED_FILE
 
-#if (JUCE_MAC && defined (MAC_OS_X_VERSION_10_5) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) \
+#if (JUCE_MAC && defined (MAC_OS_X_VERSION_10_5) && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 \
+        && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_5) \
      || (JUCE_IOS && defined (__IPHONE_3_0) && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_3_2)
  #define JUCE_CORETEXT_AVAILABLE 1
 #endif