diff --git a/README.md b/README.md
index e0d1c5b..aff6c43 100644
--- a/README.md
+++ b/README.md
@@ -170,7 +170,7 @@ Note that this script is expecting the `cmake` command line tool to be in the `P
 
 ```
 # ./re.sh -h
-usage: re.sh [-hnvlbdtR] <command> [<command> ...] [-- [native-options]]
+usage: re.sh [-hnvlbdtRZ] <command> [<command> ...] [-- [native-options]]
 
 positional arguments:
   command          See "Commands" section
@@ -184,6 +184,7 @@ optional arguments:
   -d, --debugging  Use 'Debugging' for local45 command
   -t, --testing    Use 'Testing' for local45 command
   -R, --release    Invoke CMake in Release mode (for multi-config generators)
+  -Z               Clears the Recon Graphics Cache (workaround)
 
 Commands
   ---- Native build commands ----
@@ -234,6 +235,9 @@ CMake Target                  | Script Command    | Description
 `jbox-u45-build`              | `universal45`     | Builds the universal45 (`.u45`) package with the jbox toolchain ready to be uploaded to Reason servers
 `jbox-validate45`             | `validate45`      | Builds the (sandboxed) plugin with the jbox toolchain (`local45`) and runs Recon validation on it
 
+> #### Note
+> 2021/10/30: Due to a caching issue with Recon 12 and Hi Res graphics, you can use `-Z` command line argument to delete the cache directory (this is a hack/workaround) 
+
 Understanding the different kinds of builds
 -------------------------------------------
 It is pretty critical to understand the various kinds of builds that are available for a Rack Extension. They are very specific to the RE SDK.
@@ -291,6 +295,10 @@ It is strongly recommended to check the [re-blank-plugin](https://github.com/pon
 
 Release notes
 -------------
+#### 1.3.8 - 2021/10/30
+
+- Added `-Z` command line option to the script to work around the graphics caching issue of Recon 12
+
 #### 1.3.7 - 2021/10/28
 
 - Added Recon12 name to list of Recon executables
diff --git a/re-cmake.py b/re-cmake.py
index afe1557..3bc1920 100755
--- a/re-cmake.py
+++ b/re-cmake.py
@@ -18,6 +18,7 @@
 
 import argparse
 import platform
+import os
 
 script_name = ''
 
@@ -28,7 +29,7 @@
 
 
 parser = argparse.ArgumentParser(allow_abbrev=False,
-                                 usage=f'{script_name} [-hnvlbdtR] <command> [<command> ...] [-- [native-options]]',
+                                 usage=f'{script_name} [-hnvlbdtRZ] <command> [<command> ...] [-- [native-options]]',
                                  formatter_class=argparse.RawDescriptionHelpFormatter,
                                  epilog='''
 Commands
@@ -62,10 +63,39 @@
 parser.add_argument("-d", "--debugging", help="Use 'Debugging' for local45 command", action="store_true")
 parser.add_argument("-t", "--testing", help="Use 'Testing' for local45 command", action="store_true")
 parser.add_argument("-R", "--release", help="Invoke CMake in Release mode (for multi-config generators)", action="store_true")
+parser.add_argument("-Z", help="Clears the Recon Graphics Cache (workaround)", action="store_true", dest="clear_recon_graphics_cache")
 parser.add_argument('command', help='See "Commands" section', nargs=argparse.REMAINDER)
 
 args = parser.parse_args()
 
+# compute Recon cache dir path
+def recon_cache_dirpath():
+    if os.name == 'nt':
+        dirpath_localappdata = os.path.normpath(os.getenv('LOCALAPPDATA') )
+        r = os.path.join(dirpath_localappdata, 'Propellerhead Software', 'Reason Recon', 'GraphicsCache')
+    else:
+        dirpath_userprofile = os.path.normpath(os.path.expanduser('~') )
+        r = os.path.join(dirpath_userprofile, 'Library', 'Caches', 'Reason Recon', 'GraphicsCache')
+
+    return r
+
+
+# Clear the cache
+def clear_recon_graphics_cache():
+    import shutil
+
+    dirpath = recon_cache_dirpath()
+    if os.path.isdir(dirpath):
+        if args.dry_run:
+            print(f'Deleting "{dirpath}"')
+        else:
+            shutil.rmtree(dirpath)
+            print(f'Deleted "{dirpath}"')
+
+# Check for clearing cache
+if args.clear_recon_graphics_cache:
+    clear_recon_graphics_cache()
+
 # determines '--' position
 commands = args.command
 native_tool_options = []
@@ -122,7 +152,6 @@
     if args.dry_run:
         print(' '.join(cmake_command))
     else:
-        import os
         import sys
         import subprocess
 
diff --git a/sdk.cmake b/sdk.cmake
index bd1c21f..792de4d 100755
--- a/sdk.cmake
+++ b/sdk.cmake
@@ -23,7 +23,7 @@ endif()
 
 set(RE_CMAKE_MAJOR_VERSION 1)
 set(RE_CMAKE_MINOR_VERSION 3)
-set(RE_CMAKE_PATCH_VERSION 6)
+set(RE_CMAKE_PATCH_VERSION 8)
 
 # Capturing this outside function call due to scope...
 set(BUILD45_SRC_DIR ${CMAKE_CURRENT_LIST_DIR})