diff --git a/doc/fixes36.3 b/doc/fixes36.3
index 6959edf19..2d045e8aa 100644
--- a/doc/fixes36.3
+++ b/doc/fixes36.3
@@ -1,4 +1,4 @@
-$NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.112 $ $NHDT-Date: 1568509226 2019/09/15 01:00:26 $
+$NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.114 $ $NHDT-Date: 1568922510 2019/09/19 19:48:30 $
 
 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,
@@ -139,6 +139,12 @@ when spellcasting monster aimed at wrong spot due to not being able to see
 prevent impossible when guard tries to relocate a monster on a full level
 hallucination provides partial protection from passive gaze counterattack
 	against hero's attack; check for that before checking for free action
+feedback from blessed potion of restore ability never reported "you feel great"
+	due to bad logic for not-unihorn case in unfixable_trouble_count()
+when rubbing a ring on a touchstone, all types of rings were treated as if
+	they were gems; an iron ring made a cyan streak instead of yielding
+	"scritch, scritch" and a gold ring made a yellow streak rather than
+	a golden scratch
 
 
 Fixes to Post-3.6.2 Problems that Were Exposed Via git Repository
diff --git a/include/youprop.h b/include/youprop.h
index 625732a37..20d1045e8 100644
--- a/include/youprop.h
+++ b/include/youprop.h
@@ -1,4 +1,4 @@
-/* NetHack 3.6	youprop.h	$NHDT-Date: 1433291407 2015/06/03 00:30:07 $  $NHDT-Branch: master $:$NHDT-Revision: 1.23 $ */
+/* NetHack 3.6	youprop.h	$NHDT-Date: 1568831820 2019/09/18 18:37:00 $  $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.27 $ */
 /* Copyright (c) 1989 Mike Threepoint				  */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -75,8 +75,8 @@
 /* Pseudo-property */
 #define Punished (uball != 0)
 
-/* Those implemented solely as timeouts (we use just intrinsic) */
-#define HStun u.uprops[STUNNED].intrinsic
+/* Many are implemented solely as timeouts (we use just intrinsic) */
+#define HStun u.uprops[STUNNED].intrinsic /* timed or FROMFORM */
 #define Stunned HStun
 
 #define HConfusion u.uprops[CONFUSION].intrinsic
diff --git a/src/apply.c b/src/apply.c
index c2b6d759d..257c12f98 100644
--- a/src/apply.c
+++ b/src/apply.c
@@ -1,4 +1,4 @@
-/* NetHack 3.6	apply.c	$NHDT-Date: 1559670602 2019/06/04 17:50:02 $  $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.274 $ */
+/* NetHack 3.6	apply.c	$NHDT-Date: 1568922511 2019/09/19 19:48:31 $  $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.277 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2012. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -2301,13 +2301,14 @@ static void
 use_stone(tstone)
 struct obj *tstone;
 {
+    static const char scritch[] = "\"scritch, scritch\"";
+    static const char allowall[3] = { COIN_CLASS, ALL_CLASSES, 0 };
+    static const char coins_gems[3] = { COIN_CLASS, GEM_CLASS, 0 };
     struct obj *obj;
     boolean do_scratch;
     const char *streak_color, *choices;
     char stonebuf[QBUFSZ];
-    static const char scritch[] = "\"scritch, scritch\"";
-    static const char allowall[3] = { COIN_CLASS, ALL_CLASSES, 0 };
-    static const char coins_gems[3] = { COIN_CLASS, GEM_CLASS, 0 };
+    int oclass;
 
     /* in case it was acquired while blinded */
     if (!Blind)
@@ -2352,7 +2353,14 @@ struct obj *tstone;
     do_scratch = FALSE;
     streak_color = 0;
 
-    switch (obj->oclass) {
+    oclass = obj->oclass;
+    /* prevent non-gemstone rings from being treated like gems */
+    if (oclass == RING_CLASS
+        && objects[obj->otyp].oc_material != GEMSTONE
+        && objects[obj->otyp].oc_material != MINERAL)
+        oclass = RANDOM_CLASS; /* something that's neither gem nor ring */
+
+    switch (oclass) {
     case GEM_CLASS: /* these have class-specific handling below */
     case RING_CLASS:
         if (tstone->otyp != TOUCHSTONE) {
@@ -3712,25 +3720,34 @@ boolean is_horn;
 
     if (Stoned)
         unfixable_trbl++;
+    if (Slimed)
+        unfixable_trbl++;
     if (Strangled)
         unfixable_trbl++;
     if (Wounded_legs && !u.usteed)
         unfixable_trbl++;
-    if (Slimed)
-        unfixable_trbl++;
-    /* lycanthropy is undesirable, but it doesn't actually make you feel bad */
+    /* lycanthropy is undesirable, but it doesn't actually make you feel bad
+       so don't count it as a trouble which can't be fixed */
 
-    if (!is_horn || (Confusion & ~TIMEOUT))
+    /*
+     * Unicorn horn can fix these when they're timed but not when
+     * they aren't.  Potion of restore ability doesn't touch them,
+     * so they're always unfixable for the not-unihorn case.
+     * [Most of these are timed only, so always curable via horn.
+     * An exception is Stunned, which can be forced On by certain
+     * polymorph forms (stalker, bats).]
+     */
+    if (Sick && (!is_horn || (Sick & ~TIMEOUT) != 0L))
         unfixable_trbl++;
-    if (!is_horn || (Sick & ~TIMEOUT))
+    if (Stunned && (!is_horn || (HStun & ~TIMEOUT) != 0L))
         unfixable_trbl++;
-    if (!is_horn || (HHallucination & ~TIMEOUT))
+    if (Confusion && (!is_horn || (HConfusion & ~TIMEOUT) != 0L))
         unfixable_trbl++;
-    if (!is_horn || (Vomiting & ~TIMEOUT))
+    if (Hallucination && (!is_horn || (HHallucination & ~TIMEOUT) != 0L))
         unfixable_trbl++;
-    if (!is_horn || (HStun & ~TIMEOUT))
+    if (Vomiting && (!is_horn || (Vomiting & ~TIMEOUT) != 0L))
         unfixable_trbl++;
-    if (!is_horn || (HDeaf & ~TIMEOUT))
+    if (Deaf && (!is_horn || (HDeaf & ~TIMEOUT) != 0L))
         unfixable_trbl++;
 
     return unfixable_trbl;