diff --git a/.cproject b/.cproject
index 6da7c60..c75a254 100644
--- a/.cproject
+++ b/.cproject
@@ -120,7 +120,7 @@
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diff --git a/Core/Inc/at1_defines.h b/Core/Inc/at1_defines.h
index 5ca3128..8ae6ff0 100644
--- a/Core/Inc/at1_defines.h
+++ b/Core/Inc/at1_defines.h
@@ -26,8 +26,13 @@ extern "C" {
#define STR(x) STR_HELPER(x)
#endif
#define VERSION_MAJOR 0
-#define VERSION_MINOR 3
-#define PROGRAM_ID "f0x.at1 Version " STR(VERSION_MAJOR) "." STR(VERSION_MINOR)
+#define VERSION_MINOR 4
+#ifdef DEBUG
+#define VERSION_DEBUG ".D"
+#else
+#define VERSION_DEBUG
+#endif
+#define PROGRAM_ID "f0x.at1 Version " STR(VERSION_MAJOR) "." STR(VERSION_MINOR) VERSION_DEBUG
#define VERSION_STRING STR(VERSION_MAJOR) "." STR(VERION_MINOR)
/*#define DATE __DATE__ */
#define AUTHOR_STRING "Tom Kuschel KW4NZ"
diff --git a/stm32l4a6zg-f0x.at1 Release.launch b/stm32l4a6zg-f0x.at1 Release.launch
new file mode 100644
index 0000000..674a6c9
--- /dev/null
+++ b/stm32l4a6zg-f0x.at1 Release.launch
@@ -0,0 +1,80 @@
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