diff --git a/doc/fixes36.3 b/doc/fixes36.3
index 11a285fad..115ed8f60 100644
--- a/doc/fixes36.3
+++ b/doc/fixes36.3
@@ -1,4 +1,4 @@
-$NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.0 $ $NHDT-Date: 1557358216 2019/05/08 23:30:16 $
+$NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.0 $ $NHDT-Date: 1557526914 2019/05/10 22:21:54 $
 
 This fixes36.3 file is here to capture information about updates in the 3.6.x
 lineage following the release of 3.6.2 in May 2019. Please note, however,
@@ -7,6 +7,10 @@ focus will shift to the next major release.
 
 General Fixes and Modified Features
 -----------------------------------
+when place_object() puts a non-boulder on the map at a spot which contains
+	other objects, put it under all boulders in the pile rather than just
+	under the top one; previously, map wasn't showing a boulder there if
+	the top one got moved by means other than pushing
 
 
 Fixes to Post-3.6.2 Problems that Were Exposed Via git Repository
@@ -19,6 +23,8 @@ Platform- and/or Interface-Specific Fixes or Features
 
 General New Features
 --------------------
+classify sources as released, beta, or work-in-progress via NH_DEVEL_STATUS
+	rather than just released vs beta via BETA
 
 
 NetHack Community Patches (or Variation) Included
diff --git a/include/global.h b/include/global.h
index b643536b3..f493d8a3e 100644
--- a/include/global.h
+++ b/include/global.h
@@ -349,7 +349,8 @@ struct savefile_info {
 #define MAXMONNO 120 /* extinct monst after this number created */
 #define MHPMAX 500   /* maximum monster hp */
 
-/* PANICTRACE: Always defined for NH_DEVEL_STATUS == NH_STATUS_BETA but only for supported platforms. */
+/* PANICTRACE: Always defined for NH_DEVEL_STATUS != NH_STATUS_RELEASED
+   but only for supported platforms. */
 #ifdef UNIX
 #if (NH_DEVEL_STATUS != NH_STATUS_RELEASED)
 /* see end.c */
diff --git a/src/mkobj.c b/src/mkobj.c
index b101353a0..1593781ce 100644
--- a/src/mkobj.c
+++ b/src/mkobj.c
@@ -1,4 +1,4 @@
-/* NetHack 3.6	mkobj.c	$NHDT-Date: 1548978605 2019/01/31 23:50:05 $  $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.142 $ */
+/* NetHack 3.6	mkobj.c	$NHDT-Date: 1557526914 2019/05/10 22:21:54 $  $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.144 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Derek S. Ray, 2015. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -1726,15 +1726,25 @@ int x, y;
         panic("place_object: obj not free");
 
     obj_no_longer_held(otmp);
-    /* (could bypass this vision update if there is already a boulder here) */
-    if (otmp->otyp == BOULDER)
-        block_point(x, y); /* vision */
+    if (otmp->otyp == BOULDER) {
+        if (!otmp2 || otmp2->otyp != BOULDER)
+            block_point(x, y); /* vision */
+    }
 
-    /* obj goes under boulders */
-    if (otmp2 && (otmp2->otyp == BOULDER)) {
+    /* non-boulder object goes under boulders so that map will show boulder
+       here without display code needing to traverse pile chain to find one */
+    if (otmp2 && otmp2->otyp == BOULDER && otmp->otyp != BOULDER) {
+        /* 3.6.3: put otmp under last consecutive boulder rather than under
+           just the first one; multiple boulders at same spot in new games
+           will be consecutive due to this, ones in old games saved before
+           this change might not be; can affect the map display if the top
+           boulder is moved/removed by some means other than pushing */
+        while (otmp2->nexthere && otmp2->nexthere->otyp == BOULDER)
+            otmp2 = otmp2->nexthere;
         otmp->nexthere = otmp2->nexthere;
         otmp2->nexthere = otmp;
     } else {
+        /* put on top of current pile */
         otmp->nexthere = otmp2;
         g.level.objects[x][y] = otmp;
     }
@@ -1742,7 +1752,6 @@ int x, y;
     /* set the new object's location */
     otmp->ox = x;
     otmp->oy = y;
-
     otmp->where = OBJ_FLOOR;
 
     /* add to floor chain */