Issue #27647: Update Windows build to Tcl/Tk 8.6.6

Misc/NEWS

@@ -70,6 +70,8 @@ Tests
 Windows
 -------
 
+- Issue #27647: Update bundled Tcl/Tk to 8.6.6.
+
 - Issue #27610: Adds PEP 514 metadata to Windows installer
 
 - Issue #27469: Adds a shell extension to the launcher so that drag and drop

PCbuild/get_externals.bat

@@ -56,8 +56,8 @@ set libraries=%libraries%                                    bzip2-1.0.6
 if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     nasm-2.11.06
 if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     openssl-1.0.2h
 set libraries=%libraries%                                    sqlite-3.8.11.0
-if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tcl-core-8.6.4.2
-if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tk-8.6.4.2
+if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tcl-core-8.6.6.0
+if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tk-8.6.6.0
 if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tix-8.4.3.6
 set libraries=%libraries%                                    xz-5.0.5
 

PCbuild/readme.txt

@@ -208,7 +208,7 @@ _sqlite3
     Homepage:
         http://www.sqlite.org/
 _tkinter
-    Wraps version 8.6.4 of the Tk windowing system.
+    Wraps version 8.6.6 of the Tk windowing system.
     Homepage:
         http://www.tcl.tk/
 

PCbuild/tcltk.props

@@ -4,8 +4,8 @@
   <PropertyGroup>
     <TclMajorVersion>8</TclMajorVersion>
     <TclMinorVersion>6</TclMinorVersion>
-    <TclPatchLevel>4</TclPatchLevel>
-    <TclRevision>2</TclRevision>
+    <TclPatchLevel>6</TclPatchLevel>
+    <TclRevision>0</TclRevision>
     <TkMajorVersion>$(TclMajorVersion)</TkMajorVersion>
     <TkMinorVersion>$(TclMinorVersion)</TkMinorVersion>
     <TkPatchLevel>$(TclPatchLevel)</TkPatchLevel>