diff --git a/Build/Changes.txt b/Build/Changes.txt
index 5325649d8..31fbe6a1d 100644
--- a/Build/Changes.txt
+++ b/Build/Changes.txt
@@ -34,7 +34,7 @@ SUP - (S)et(UP) / Installer Package
 
 
 ========================================================
-Current BETA/RC Version 5.20.1222.(build_#) (2020-12-22)
+Current BETA/RC Version 5.20.1223.(build_#) (2020-12-23)
 ========================================================
 
 --------------------------------------------------------
@@ -66,6 +66,7 @@ NEW:
 CHANGES:
 --------------------------------------------------------
 [.xxx.x]- .
+[1223.1]- Iinitial start screen resolution independent fixed base font size.
 [1218.1]- Avoid wrap-around requester if there is no other possible occurrence.
 [1214.1]- Behavior change: copy to clipboard on empty selection -> don't copy anything if current line is empty.
 [1214.1]- Update keywords list in Style INNO Lexer.
diff --git a/Versions/day.txt b/Versions/day.txt
index 9d63033fa..d97ddee79 100644
--- a/Versions/day.txt
+++ b/Versions/day.txt
@@ -1 +1 @@
-1222
+1223
diff --git a/res/Notepad3.exe.manifest.conf b/res/Notepad3.exe.manifest.conf
index 6bc600355..f93a7d8c7 100644
--- a/res/Notepad3.exe.manifest.conf
+++ b/res/Notepad3.exe.manifest.conf
@@ -3,7 +3,7 @@
   <assemblyIdentity
     name="Notepad3"
     processorArchitecture="*"
-    version="5.20.1222.1"
+    version="5.20.1223.1"
     type="win32"
   />
   <description>Notepad3 beta</description>
diff --git a/src/VersionEx.h b/src/VersionEx.h
index 533c704ff..d2efcfcce 100644
--- a/src/VersionEx.h
+++ b/src/VersionEx.h
@@ -8,7 +8,7 @@
 #define SAPPNAME "Notepad3"
 #define VERSION_MAJOR 5
 #define VERSION_MINOR 20
-#define VERSION_REV 1222
+#define VERSION_REV 1223
 #define VERSION_BUILD 1
 #define SCINTILLA_VER 446
 #define ONIGURUMA_REGEX_VER 6.9.6