diff --git a/changelog.txt b/changelog.txt
index d521675f..ec53c465 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -2699,3 +2699,12 @@ RogueViz:
 * commandline option to rotate
 * Pentagonal Exploration added
 * fixed some bugs in the RogueViz Presentation
+
+2018.09.10 18:47 Update 10.4v
+
+* animation system
+* fixed the animation of snakelike creatures in quotient geometries
+* fixed keyboard movement in non-orientable geometries
+* fixed the sight range on non-bitruncated tori
+* fixed texts disappearing when scale is set to less than 0
+* number editor and command line parameters now accept expressions
diff --git a/hyper.h b/hyper.h
index 5aa7829f..ab1629fc 100644
--- a/hyper.h
+++ b/hyper.h
@@ -2,9 +2,9 @@
 // It is quite chaotic.
 
 // version numbers
-#define VER "10.4u"
-#define VERNUM 10421
-#define VERNUM_HEX 0xA0C5
+#define VER "10.4v"
+#define VERNUM 10422
+#define VERNUM_HEX 0xA0C6
 
 #include <stdarg.h>