diff --git a/include/global.h b/include/global.h
index f92ce3cfc..c39161f0e 100644
--- a/include/global.h
+++ b/include/global.h
@@ -1,4 +1,4 @@
-/* NetHack 3.6	global.h	$NHDT-Date: 1524690661 2018/04/25 21:11:01 $  $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.51 $ */
+/* NetHack 3.6	global.h	$NHDT-Date: 1527375302 2018/05/26 22:55:02 $  $NHDT-Branch: NetHack-3.6.2 $:$NHDT-Revision: 1.54 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Michael Allison, 2006. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -8,9 +8,9 @@
 
 #include <stdio.h>
 
-#define BETA   /* development or beta testing [MRS] */
+/* #define BETA */   /* development or beta testing [MRS] */
 
-#define DEBUG 
+/* #define DEBUG */
 
 /*
  * Files expected to exist in the playground directory.
diff --git a/include/patchlevel.h b/include/patchlevel.h
index e58622943..a12d623d7 100644
--- a/include/patchlevel.h
+++ b/include/patchlevel.h
@@ -1,4 +1,4 @@
-/* NetHack 3.6	patchlevel.h	$NHDT-Date: 1524931630 2018/04/28 16:07:10 $  $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.121 $ */
+/* NetHack 3.6	patchlevel.h	$NHDT-Date: 1527375321 2018/05/26 22:55:21 $  $NHDT-Branch: NetHack-3.6.2 $:$NHDT-Revision: 1.122 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Michael Allison, 2012. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -36,8 +36,15 @@
 /****************************************************************************/
 /* Version 3.6.x */
 
-/*  Patch 2, <insert date here>
- *  
+/*  Patch 2, May 26, 2018 
+ *  Performance optimizations for tty including the ability to 
+ *      do per field updating
+ *  Significant performance improvements in sys/winnt/nttty mainly through
+ *      the introduction of a back buffer approach
+ *  A couple of windows crash bug fixes during early game startup
+ *  Ensuring that unix Makefiles do not rely on features unique to gnu make
+ *  Improvements to hilite_status parsing in an effort to ensure that expected
+ *      and sensible values ranges are more easily specified and accepted
  */
 
 /*  Patch 1, April 27, 2018