diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 73f44cc..8faa465 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,8 @@
+3.0.2
+
+- Fix UnicodeDecodeError being thrown when sending payload due to jsonpickle not pickling large binary values correctly (such as local variable bytestrings or high-codepoint unicode characters)
+- Guard added for tracebacks with null method names (such as exceptions from C-wrapper libraries)
+
 3.0.1
 
 - Updated bdist egg to include middleware package
diff --git a/python2/raygun4py/raygunmsgs.py b/python2/raygun4py/raygunmsgs.py
index f8c7cbb..9828b6f 100644
--- a/python2/raygun4py/raygunmsgs.py
+++ b/python2/raygun4py/raygunmsgs.py
@@ -1,6 +1,7 @@
 import traceback
 import inspect
 import os
+import sys
 
 try:
     import multiprocessing
@@ -114,6 +115,7 @@ def __init__(self, exc_type, exc_value, exc_traceback, options):
         if 'transmitGlobalVariables' in options and options['transmitGlobalVariables'] is True:
             self.globalVariables = globals()
 
+        frames = None
         try:
             frames = inspect.getinnerframes(exc_traceback)
 
@@ -123,7 +125,7 @@ def __init__(self, exc_type, exc_value, exc_traceback, options):
                         'lineNumber': frame[2],
                         'className': frame[3],
                         'fileName': frame[1],
-                        'methodName': frame[4][0],
+                        'methodName': frame[4][0] if frame[4] is not None else None,
                         'localVariables': self._get_locals(frame[0]) if 'transmitLocalVariables' in options and options['transmitLocalVariables'] is True else None
                     })
         finally:
diff --git a/python2/tests/test_functional.py b/python2/tests/test_functional.py
index d8d7484..550bc7a 100644
--- a/python2/tests/test_functional.py
+++ b/python2/tests/test_functional.py
@@ -1,3 +1,5 @@
+# coding=utf-8
+
 import unittest2 as unittest
 import sys, logging, socket, os
 from raygun4py import raygunprovider
@@ -138,7 +140,7 @@ def test_filter_keys_202(self):
             raise Exception("Raygun4py functional test - Py2 filter_keys")
         except Exception as e:
             httpResult = client.send_exception(e, exc_info = sys.exc_info())
-        
+
         self.assertEqual(httpResult[0], 202)
 
     @unittest.skip('Requires a proxy, skipping for Travis')
@@ -150,7 +152,7 @@ def test_proxy(self):
             raise Exception("Raygun4py functional test - Py2 set_proxy")
         except Exception as e:
             httpResult = client.send_exception(e, exc_info = sys.exc_info())
-        
+
         self.assertEqual(httpResult[0], 202)
 
 
@@ -162,7 +164,7 @@ def test_before_send_callback(self):
             raise Exception("Raygun4py functional test - on_before_send")
         except Exception as e:
             httpResult = client.send_exception(e, exc_info = sys.exc_info())
-        
+
         self.assertEqual(httpResult[0], 202)
 
     def test_before_send_callback_sets_none_cancels_send(self):
@@ -173,7 +175,7 @@ def test_before_send_callback_sets_none_cancels_send(self):
             raise Exception("Raygun4py functional test - on_before_send")
         except Exception as e:
             result = client.send_exception(e, exc_info = sys.exc_info())
-        
+
         self.assertIsNone(result)
 
     def test_request(self):
@@ -218,6 +220,40 @@ def test_localvariables_multilevels(self):
 
             self.assertEqual(result[0], 202)
 
+    def test_utf8_message(self):
+        client = raygunprovider.RaygunSender(self.apiKey)
+
+        try:
+            raise Exception("ΔΔΔΔ")
+        except Exception as e:
+            result = client.send_exception(httpRequest={})
+
+            self.assertEqual(result[0], 202)
+
+    def test_utf8_localvariable(self):
+        client = raygunprovider.RaygunSender(self.apiKey)
+
+        theVariable = 'ᵫ'
+
+        try:
+            raise Exception("Raygun4py2: utf8 local variable")
+        except Exception as e:
+            result = client.send_exception(httpRequest={})
+
+            self.assertEqual(result[0], 202)
+
+    def test_bytestring_localvariable(self):
+      client = raygunprovider.RaygunSender(self.apiKey)
+
+      byteString = b'\x8d\x80\x92uK!M\xed'
+
+      try:
+        raise Exception("Raygun4py2: bytestring local variable")
+      except Exception as e:
+        result = client.send_exception(httpRequest={})
+
+        self.assertEqual(result[0], 202)
+
 class CustomException(Exception):
     def __init__(self, value):
         self.value = value
diff --git a/python2/tests/test_raygunmsgs.py b/python2/tests/test_raygunmsgs.py
index 19aa778..451e587 100644
--- a/python2/tests/test_raygunmsgs.py
+++ b/python2/tests/test_raygunmsgs.py
@@ -1,6 +1,8 @@
 import sys
 import unittest2 as unittest
 import socket
+import inspect
+
 from raygun4py import raygunmsgs
 
 class TestRaygunMessageBuilder(unittest.TestCase):
@@ -97,6 +99,25 @@ def test_local_variable(self):
 
         self.assertTrue('i_must_be_included' in localVars)
 
+    def test_methodname_none(self):
+        originalGetinnerframes = inspect.getinnerframes
+        inspect.getinnerframes = getinnerframes_mock_methodname_none
+
+        errorMessage = raygunmsgs.RaygunErrorMessage(int, 1, None, { "transmitLocalVariables": False })
+
+        self.assertEqual(errorMessage.__dict__['stackTrace'][0]['methodName'], None)
+
+        inspect.getinnerframes = originalGetinnerframes
+
+def getinnerframes_mock_methodname_none(exception):
+    return [(
+        'localVar',
+        'fileName',
+        'lineNumber',
+        'className',
+        None
+    )]
+
 
 def main():
     unittest.main()
diff --git a/python3/raygun4py/raygunmsgs.py b/python3/raygun4py/raygunmsgs.py
index 87d52a6..964ca12 100644
--- a/python3/raygun4py/raygunmsgs.py
+++ b/python3/raygun4py/raygunmsgs.py
@@ -127,7 +127,7 @@ def __init__(self, exc_type, exc_value, exc_traceback, options):
                         'lineNumber': frame[2],
                         'className': frame[3],
                         'fileName': frame[1],
-                        'methodName': frame[4][0],
+                        'methodName': frame[4][0] if frame[4] is not None else None,
                         'localVariables': self._get_locals(frame[0]) if 'transmitLocalVariables' in options and options['transmitLocalVariables'] is True else None
                     })
         finally:
diff --git a/python3/tests/test_functional.py b/python3/tests/test_functional.py
index 800b439..19886e8 100644
--- a/python3/tests/test_functional.py
+++ b/python3/tests/test_functional.py
@@ -189,6 +189,16 @@ def test_http_request(self):
 
             self.assertEqual(result[0], 202)
 
+    def test_utf8_message(self):
+        client = raygunprovider.RaygunSender(self.apiKey)
+
+        try:
+            raise Exception("ΔΔΔΔ")
+        except Exception as e:
+            result = client.send_exception(httpRequest={})
+
+            self.assertEqual(result[0], 202)
+
             
 def before_send_mutate_payload(message):
     message['newKey'] = 'newValue'
diff --git a/python3/tests/test_raygunmsgs.py b/python3/tests/test_raygunmsgs.py
index 6b78926..69ca4d8 100644
--- a/python3/tests/test_raygunmsgs.py
+++ b/python3/tests/test_raygunmsgs.py
@@ -1,4 +1,5 @@
 import sys, unittest, socket
+import inspect
 from raygun4py import raygunmsgs
 
 class TestRaygunMessageBuilder(unittest.TestCase):
@@ -129,6 +130,25 @@ def test_chained_exception_cause_is_child(self):
     def test_chained_exception_childs_cause_is_grandchild(self):
         self.assertIsInstance(self.theException.__cause__.__context__, TestRaygunErrorMessage.GrandchildError)
 
+    def test_methodname_none(self):
+        originalGetinnerframes = inspect.getinnerframes
+        inspect.getinnerframes = getinnerframes_mock_methodname_none
+
+        errorMessage = raygunmsgs.RaygunErrorMessage(int, 1, None, { "transmitLocalVariables": False })
+
+        self.assertEqual(errorMessage.__dict__['stackTrace'][0]['methodName'], None)
+
+        inspect.getinnerframes = originalGetinnerframes
+
+def getinnerframes_mock_methodname_none(exception):
+    return [(
+        'localVar',
+        'fileName',
+        'lineNumber',
+        'className',
+        None
+    )]
+
 def main():
     unittest.main()
 
diff --git a/setup.py b/setup.py
index 481765d..da5e12a 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 
 setup(
     name='raygun4py',
-    version='3.0.1',
+    version='3.0.2',
     packages=packages,
     package_dir= {
         "raygun4py": base_dir + "/raygun4py"
@@ -23,7 +23,7 @@
     description='Official Raygun provider for Python 2.6/2.7 and Python 3+',
     long_description=open('README.rst').read(),
     install_requires=[
-        'jsonpickle == 0.7.0',
+        'jsonpickle == 0.9.2',
         'blinker == 1.3.0'
     ],
     entry_points={