diff --git a/PySimpleGUI.py b/PySimpleGUI.py
index 0d8a92b3..3a293d68 100644
--- a/PySimpleGUI.py
+++ b/PySimpleGUI.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-version = __version__ = "4.25.0.1 Unreleased\nMoved creation of the multi-threaded "
+version = __version__ = "4.26.0 Released 18-Jul-2020"
 
 port = 'PySimpleGUI'
 
@@ -6973,7 +6973,6 @@ class Window:
         self.user_bind_event = None  # Used when user defines a tkinter binding using bind method - event data from tkinter
         self.modal = modal
         self.thread_queue = None        # type: queue.Queue
-        self.thread_key = None          # type: Any
         self.thread_strvar  = None      # type: tk.StringVar
         self.read_closed_window_count = 0
 
@@ -8295,15 +8294,11 @@ class Window:
 
 
 
-    def _create_thread_queue(self, key):
+    def _create_thread_queue(self):
         """
-        Sets the key that will be returned if a thread communicates with this window.
-
-        :param key:
-        :type key: Any
+        Creates the queue used by threads to communicate with this window
         """
 
-        self.thread_key = key
         if self.thread_queue is None:
             self.thread_queue = queue.Queue()
 
@@ -8312,7 +8307,7 @@ class Window:
             self.thread_strvar.trace('w', self._window_tkvar_changed_callback)
 
 
-    def write_event_value(self, key=None, value=None):
+    def write_event_value(self, key, value):
         """
         Adds a key & value tuple to the queue that is used by threads to communicate with the window
 
@@ -8323,12 +8318,11 @@ class Window:
         """
 
         if self.thread_queue is None:
-            self._create_thread_queue(key)
+            print('*** Warning Window.write_event_value - no thread queue found ***')
+            return
 
-        if self.thread_queue:
-            key = key if key is not None else self.thread_key
-            self.thread_queue.put(item=(key, value))
-            self.thread_strvar.set('new item')
+        self.thread_queue.put(item=(key, value))
+        self.thread_strvar.set('new item')
 
 
     def _queued_event_read(self):
@@ -12045,7 +12039,7 @@ def StartupTK(my_flex_form):
 
     my_flex_form.TKroot = root
 
-    my_flex_form._create_thread_queue('initialized queue')
+    my_flex_form._create_thread_queue()
 
     # Make moveable window
     if (my_flex_form.GrabAnywhere is not False and not (
diff --git a/docs/call reference.md b/docs/call reference.md
index d55ca0fc..b033d297 100644
--- a/docs/call reference.md	
+++ b/docs/call reference.md	
@@ -3434,7 +3434,7 @@ Parameter Descriptions:
 
 |Type|Name|Meaning|
 |--|--|--|
-|                                     str                                      |            default_text            | Text initially shown in the input box as a default value(Default value = '') |
+|                                     Any                                      |            default_text            | Text initially shown in the input box as a default value(Default value = ''). Will automatically be converted to string |
 |                         (int, int)  (width, height)                          |                size                | w=characters-wide, h=rows-high |
 |                                     bool                                     |              disabled              | set disable state for element (Default = False) |
 |                                     char                                     |           password_char            | Password character if this is a password field (Default value = '') |
@@ -9869,7 +9869,7 @@ Returns True if the window was closed
 Adds a key & value tuple to the queue that is used by threads to communicate with the window
 
 ```
-write_event_value(key=None, value=None)
+write_event_value(key, value)
 ```
 
 Parameter Descriptions:
diff --git a/docs/index.md b/docs/index.md
index 0f65fd8f..9b606cba 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -7384,6 +7384,13 @@ k element parameter
 * New global variable __tclversion_detailed__ - string with full tkinter version (3 numbers instead of 2)
 * Warning is displayed if tcl version is found to be 8.5.
 
+## 4.26.0 PySimpleGUI 18-Jul-2020
+
+* Multi-threaded tkvar initialization location changed so that thread doesn't intialize it now
+* Removed thread key - no longer needed
+* Window.write_event_values - now requires both parms
+* Upgrade button typo
+
 ### Upcoming
 
 There will always be overlapping work as the ports will never actually be "complete" as there's always something new that can be built.  However there's a definition for the base functionality for PySimpleGUI.  This is what is being strived for with the current ports that are underway.
diff --git a/readme.md b/readme.md
index 0f65fd8f..9b606cba 100644
--- a/readme.md
+++ b/readme.md
@@ -7384,6 +7384,13 @@ k element parameter
 * New global variable __tclversion_detailed__ - string with full tkinter version (3 numbers instead of 2)
 * Warning is displayed if tcl version is found to be 8.5.
 
+## 4.26.0 PySimpleGUI 18-Jul-2020
+
+* Multi-threaded tkvar initialization location changed so that thread doesn't intialize it now
+* Removed thread key - no longer needed
+* Window.write_event_values - now requires both parms
+* Upgrade button typo
+
 ### Upcoming
 
 There will always be overlapping work as the ports will never actually be "complete" as there's always something new that can be built.  However there's a definition for the base functionality for PySimpleGUI.  This is what is being strived for with the current ports that are underway.