diff --git a/Build/Changes.txt b/Build/Changes.txt
index 5b93886fb..88140a9b8 100644
--- a/Build/Changes.txt
+++ b/Build/Changes.txt
@@ -33,7 +33,7 @@ UCD - (UCD)ARDET is an Encoding Detector Library
 
 
 ========================================================
-Current BETA/RC Version 5.21.702.(build_#) (2021-07-02)
+Current BETA/RC Version 5.21.703.(build_#) (2021-07-03)
 ========================================================
 
 --------------------------------------------------------
@@ -72,6 +72,7 @@ NEW:
 CHANGES:
 --------------------------------------------------------
 [.###.#]- .
+[.703.1]- Enable Dark Mode feature for Win11 v21H2 Insider beta.
 [.529.2]- Win10 Release-ID as string (allows 20H2 or 21H1).
 [.529.1]- Improved Julia Lexer (LEX).
 [.526.1]- Batch-Lexer + patching Markdown-Lexer (eolfilled header lines) (LEX).
diff --git a/Versions/build.txt b/Versions/build.txt
index 7ed6ff82d..d00491fd7 100644
--- a/Versions/build.txt
+++ b/Versions/build.txt
@@ -1 +1 @@
-5
+1
diff --git a/Versions/day.txt b/Versions/day.txt
index 88eafce37..0a1c47444 100644
--- a/Versions/day.txt
+++ b/Versions/day.txt
@@ -1 +1 @@
-702
+703
diff --git a/res/Notepad3.exe.manifest.conf b/res/Notepad3.exe.manifest.conf
index 4cbb2a84f..343255fe3 100644
--- a/res/Notepad3.exe.manifest.conf
+++ b/res/Notepad3.exe.manifest.conf
@@ -3,7 +3,7 @@
   <assemblyIdentity
     name="Rizonesoft.Notepad3"
     processorArchitecture="*"
-    version="5.21.702.5"
+    version="5.21.703.1"
     type="win32"
   />
   <description>Notepad3 beta</description>
diff --git a/src/DarkMode/DarkMode.cpp b/src/DarkMode/DarkMode.cpp
index 0059f45dd..a16054390 100644
--- a/src/DarkMode/DarkMode.cpp
+++ b/src/DarkMode/DarkMode.cpp
@@ -74,6 +74,7 @@ constexpr bool CheckBuildNumber(DWORD buildNumber)
     case 19043: // Win10 v21H1
     // unknown, if working with these version(s) :-O
     case 21390: // Win10 v21H2 Insider Dev and Preview Channels [2021-05-21]
+    case 22000: // Win11 v21H2 Insider Dev and Preview Channels [2021-06-28]
         return true;
     default:
         // not supported
diff --git a/src/VersionEx.h b/src/VersionEx.h
index 52d382f8e..96a532d9f 100644
--- a/src/VersionEx.h
+++ b/src/VersionEx.h
@@ -8,8 +8,8 @@
 #define SAPPNAME "Notepad3"
 #define VERSION_MAJOR 5
 #define VERSION_MINOR 21
-#define VERSION_REV 702
-#define VERSION_BUILD 5
+#define VERSION_REV 703
+#define VERSION_BUILD 1
 #define SCINTILLA_VER 510
 #define LEXILLA_VER 510
 #define ONIGURUMA_REGEX_VER 7.0.0