Bugs Lists

Core Bugs (common to all systems)
X11-only bugs
Build-from-source issues (all platforms)
Spoiler bugs
Spoilers are bugs that merely reading about may spoil your enjoyment of the game or give away answers to puzzles that should be solved. They are on a different page to keep you from seeing them by accident in the main lists.
Bugs lists for previous versions

This information is also available in JSON here; the schema is described here.

3.6.7 Bugs Lists

Core Bugs (common to all systems)

ID Status Description Additional Info
C343-21 Open Pets can be pulled through closed doors with a leash.
C343-38 Open Dismounting or kicking a monster that jumps may result in landing on the wrong side of a wall.
C343-370 Fixed Travel (_) command can get stuck trying to plot a path past an interesting dungeon feature, for example, a trap or fountain.
C361-5 Fixed When getting disconnected from a game running via telnet or ssh, the game may go into an infinite loop instead of aborting.
C367-1 Fixed Pickup or remove from container with full inventory may give a bad message.
C367-2 Fixed Fast hero may get clairvoyance too often.
C367-3 Fixed Giant spider weighs too little, giant beetle weighs too much.
C367-4 Fixed Worm tooth and crysknife are made of the wrong materials.
C367-5 Fixed Meat rings should not cause increased hunger.
C367-6 Fixed Monster using Stormbringer or Staff of Aseculapius against another monster actually affects the hero instead.
C367-7 Fixed Two-weapon feedback is not suitable.
C367-8 Fixed Hero may be able to use two weapons even if one requires two hands.
C367-9 Fixed Escaping a trapped iron ball may make the ball disappear.
C367-10 Fixed Polymorphed hero mocing onto a boulder can give confusing messages.
C367-11 Fixed Random role selection may not honor unwanted alignments properly.
C367-12 Fixed Trying to move off the edge of the map may use a turn.
C367-13 Fixed Hero polymorphed into form with no head can wear items requiring a head.
C367-14 Fixed Long worms may grow too long and too strong.
C367-15 Fixed Hero polymorphed into form with no hands can use items that require hands.
C367-16 Fixed Applying royal jelly lists inappropriate item as candidates for application.
C367-17 Fixed Stairs up from Orcish Town may not be created.
C367-18 Fixed Spellcasting monster may get an extra move after casting.
C367-19 Fixed Random role selection may crash the game.
C367-20 Fixed Attacking eel may grab hero who is out of range.
C367-21 Fixed Teleporting with ball and chain may cause a panic.
C367-22 Fixed Persistant inventory window may not update when quaffing from a fountain.
C367-23 Fixed Priest can be generated in a wall.
C367-24 Fixed Hurtling from a thrown object while punished, levitating, and carrying the iron ball may leave the chain behind.
C367-25 Fixed Placing lit candles in a candelabrum may calculate the remaining burn time incorrectly.
C367-26 Fixed Polymorphed and hiding hero is not unhidden when teleporting.
C367-27 Fixed Monsters can end up stuck in vault walls.
C367-28 Fixed Book quotes may come from the wrong book.
C367-29 Fixed Erosion damage messages may show up when they should not or not show up when they should.
C367-30 Fixed Revived undead corpse may be referred to as alive.
C367-31 Fixed Male hero polymorphed into a nymph may get messages using the wrong pronouns.
C367-32 Fixed Monster detection may give an incorrect display when guards are on the level.
C367-33 Fixed Monsters fighting with an artifact may generate extra messages.
C367-34 Fixed Failed #untrap by mounted hero may result in hero and steed in different locations.
C367-35 Fixed Digging a pit that fills with water or lava may not correctly affect things already at the new pit's location.
C367-36 Fixed Cloned Wizard starting out of view of the hero may not start acting immediately.
C367-37 Fixed Fragile objects should be subject to breakage when falling down stairs when encubered or punished.
C367-38 Fixed Multiple issues with encumberance including delayed messages and dropped items falling through a swallower.
C367-39 Fixed Monster dying while stealing from hero can cause an impossible.
C367-40 Fixed Reading a novel while blind gives an inappropriate message.
C367-41 Fixed Non-living monsters may "die".
C367-42 Fixed Breaking a line of boulders only displays the first one breaking.
C367-43 Fixed Random engravings and similar messages may produce a corrupted message.
C367-44 Fixed Mind flayers should not affect mindless monsters.
C367-45 Fixed Mind flayers hitting a hidden monster should reveal the target.
C367-46 Fixed Singular of "splashes" is not "splashe".
C367-47 Fixed Leashing or unleashing pets doesn't update persistent inventory window.
C367-48 Fixed Display when hero turns to slime occurs one tune too soon.
C367-49 Fixed Some monsters that shouldn't be able to talk, are.
C367-50 Fixed 'D' command with only ' may drop too many items.
C367-51 Fixed Items tossed upwards get the wrong damage.
C367-52 Fixed Xorns cannot eat iron bars.
C367-53 Fixed Hero polymorphed into a rust monster cannot eat iron bars when on the same location as the iron bars.
C367-54 Fixed Monster hiding under a hatching egg stays hidden.
C367-55 Fixed Hero can break a wand with no free hands.
C367-56 Fixed A monster throwing a cockatrice egg that hits another monster does not get credit for it, but the hero does.
C367-57 Fixed Persistent inventory window may not track helt status properly.
C367-58 Fixed Wand or scroll of create monster that creates a concealed mimic becomes discovered.
C367-59 Fixed Kicking a container with gold in it in a shop may result in billing errors.
C367-60 Fixed Save or game end while punished may cause a crash.
C367-61 Fixed Brown pudding attacking another monster with decay attack causes corrosion instead of rot.
C367-62 Fixed Selling a container to a shop that doesn't sell all the contents for credit results in the shop owning those contents.
C367-63 Fixed Fire damage won't completely dry a wet towel.
C367-64 Fixed Water damage may decrease the wetness of a wet towel.
C367-65 Fixed Towel changing wetness may not be reflected in a persistant inventory.
C367-66 Fixed Binding repeat to a different key than ^A doesn't work properly.
C367-67 Fixed Rebound prefix keys behave improperly if followed by anything except a direction.
C367-68 Fixed Telepathically observing a pet eat a mimic corpse may leave the map out of date.
C367-69 Fixed Pet may mimic a throne when it should mimic a sink
C367-70 Fixed The & command does not know about prefix letter, ESC, or ^A.
C367-71 Fixed Dipping under certain circumstances can cause the potion to be dropped.
C367-72 Fixed selectsaved option can not cope with manually uncompressed save file.
C367-73 Fixed Empty lamp hit by fire gives message "the oil lamp catches fire".
C367-74 Fixed Spell casting while blind does not allow the current location.
C367-75 Fixed Squeaky board message may be grammatically incorrect.
C367-76 Fixed Engraving counts spaces instead of non-spaces.
C367-77 Fixed Hero may be told they can "see" an invisible angry guard.
C367-78 Fixed Archons affect the hero and monsters differently.
C367-79 Fixed Using 'O' to change menu_headings or sortloot should update persistent inventory window.
C367-80 Fixed Options parsing is inconsistent between BINDINGS= and OPTIONS= lines.
C367-81 Fixed Rolling boulder traps can pass over unreasonable dungeon features.
C367-82 Fixed "#dip item into -" produces a scambled message.
C367-83 Fixed Monster reading scroll of earth may cause a panic.
C367-84 Fixed Assigning partial stack of gold to quiver may result in two slots.
C367-85 Fixed Throwing non-quivered partial stack of gold may result in two slots.
C367-86 Fixed #adjust can create multiple .
C367-87 Fixed Map can get behind when monster opens a door
C367-88 Fixed Polymorphed hero who expodes uses the wrong explosion radius.
C367-89 Fixed Exploding monsters may not wake up other monsters.
C367-90 Fixed Inappropriate creatures may appear on Mesusa's level.
C367-91 Fixed Inappropriate creatures may appear in cockatrice nests.
C367-92 Fixed Homemade tin may be more nutritious than they should.
C367-93 Fixed Magic mapping may not revert to a restricted view when it should.
C367-94 Fixed One step diagonal travel can fail when there is an alternate path.
C367-95 Fixed OPTIONS=scores may give incorrect results when less than all three fields are specified.
C367-96 Fixed Attempting to light an empty brass lantern refers to it as a lamp.
C367-97 Fixed Hero can hear "Click!" if deaf.
C367-98 Fixed #rub can produce a scrambled message;
C367-99 Fixed Entering a special room may wake up the whole level.
C367-100 Fixed When unlocking a trapped container with a blessed key, the key may act as an artifact.
C367-101 Fixed Wishing for partly eaten food of little nutritional value may create an item with too much nutritional value.
C367-102 Fixed Eating a corpse can give both positive and negative messages.
C367-103 Fixed Small items falling on the hero should not cause damage.
C367-104 Fixed Player gets no death message when level-drained below level 1.
C367-105 Fixed Corpses may revive with a gender different then when they died.
C367-106 Fixed Itemized shop billing with perm_invent stops displaying prices after firat purchase.
C367-107 Fixed Fire votex engulfing hero should not extinguish burning objects.
C367-108 Fixed Encumbrance may issue multiple messages during polymorph.
C367-109 Fixed Attacking a monster which has a passive attack with a potion may crash the game.
C367-110 Fixed The article for "ukulele" should be "a" not "an".
C367-111 Fixed Bugles should not scare all monsters.
C367-112 Fixed Drowning monsters never leave a corpse.
C367-113 Fixed Blind hero can get message "vision clears".
C367-114 Fixed Alchemy smock behaves differently for hero and monsters.
C367-115 Fixed Crawling out of water diagnonally through a tight squeeze does not work right.
C367-116 Fixed Suddenly cursed spellbook being read by hero should always stop hero from reading.
C367-117 Fixed Cancelled shape changers become uncanecelled when they should not.
C367-118 Fixed #overview may give odd results due to internal data misuse. E_O_F bug::bug("C",'F', <
C367-119 Fixed Wishing for helmet of opposite alignment gives more control than intended.
C367-120 Fixed Monster vs monster location swapping doesn't handle very short long worms.
C367-121 Fixed Scroll of remove curse may affect the wrong objects.
C367-122 Fixed Creating a door in a shop or vault may lead to an impossible.
C367-123 Fixed Ice removed by physical means may leave an internal timer running, eventually causing problems.
C367-124 Fixed Hero can be trapped by a combination of a boulder and a vault guard.
C367-125 Fixed When engraving with an item with a known enchantment or charge count, any change in that value is not reflected in a persistent inventory.
C367-126 Fixed Breaking wielded fragile item against iron bars can result in an impossible or other odd situations.
C367-127 Fixed If a randomly created artifact is rejected by the game for the use it was generated for, it is permanenly lost from the game.
C367-128 Fixed A human soldier may be created armed with a lance or dwarvish mattock.
C367-129 Fixed The baalz level, when flipped, may not be set up properly.
C367-130 Fixed Monsters can walk off with prize items.
C367-131 Fixed Small stacks of gold have zero weight.
C367-132 Fixed Correct feedback about a monster stuck in a web depends on the location of the hero.
C367-133 Fixed Freeing a monster from a web is too hard.
C367-134 Fixed Amulet of magical breathing causes gradual loss of hit points for hero out of water in aquatic form.
C367-135 Fixed Trying to polymorph into a unique monster should be rejected, not change the hero into something else.
C367-136 Fixed Naming a fruit the same as an artifact may cause messages referring to the artifact to have "the" inserted.
C367-137 Fixed Polymorph while wearing an amulet of strangulation may give an incorrect message.
C367-138 Fixed (Accessibility) Teleporting a monster updates the map but gives no message.
C367-139 Fixed (Accessibility) Creating a monster may give no message.
C367-140 Fixed Gremlin stealing intrinsic see-invisible does not update the map promptly.
C367-141 Fixed Persistent inventory may not be updated for a leashed pet that changes.
C367-142 Fixed A giant carrying a boulder on ice may die twice and/or cause an impossible.
C367-143 Fixed does not include gold in hero's pack.
C367-144 Fixed Hero with one wounded leg has that leg cured if the other is injured.
C367-145 Fixed Flying her should not fall on the floor going down a hole or trap door.
C367-146 Fixed Message shown when monster's wet towel becomes less wet spells "dries" incorrectly.
C367-147 Fixed Self-probing and enlightenment report slippery hands differently.
C367-148 Fixed Mindless monsters cringe when stepping on squeaky boards.
C367-149 Fixed Monsters should growl even if the hero can not hear it.
C367-150 Fixed (Accessibility) Monster changing form via polytrap doesn't always give a message.
C367-151 Fixed Hobbits can start with a ling but no ammunition.
C367-152 Fixed (Accessibility) Monster can free itself from pit, web, or bear trap without a message.
C367-153 Fixed Persistent inventory may not be updated if hero discovers an object on the first term of the game.
C367-154 Fixed Hero killed by lit potion of oil due to an explosion may cause the game to panic.
C367-155 Fixed Angels can start with equipment they will not use.
C367-156 Fixed Hero hiding under food then using that food should no longer be hiding.
C367-157 Fixed Travel can get stuck oscillating between two locations.
C367-158 Fixed Kicking a chest thus causing an explosion destroys items near the hero, not the chest.
C367-159 Fixed Teleporting while levitating or flying should allow targeting a location with a pit or hole.
C367-160 Fixed Monsters should not be created in locations they would not normally visit.
C367-161 Fixed (Accessibility) No message is given when a stinking cloud is created on top of hero.
C367-162 Fixed (Accessibility) Drinking from a fountain and getting monster detection when there are not monsters found does not give any feedback.
C367-163 Fixed Object detection always shows a mimic imitating a statue as a tengu.
C367-164 Fixed Restoring a saved game in which a ball and chain were in a wall gap may fail with an impossible.
C367-165 Fixed Throwing gold in a purple worm can give a message with bad grammar.
C367-166 Fixed With two-weapon attack, the second attack with occur even if the first attack resulted in paralysis. E_O_N bug::bug("C",'F', <
C367-167 Fixed Pudding killed by monster may not update the map.
C367-168 Fixed Not splitting gold removed from container after requesting a split may produce multiple gold stacks in the containter.
C367-169 Fixed Monster two-handed cursed weapon message has "hand" instead of "hands".
C367-170 Fixed Ball and chain can cause a crash if a bones file is written.
C367-171 Fixed Vampire lord can revert to vampire due to losing levels.
C367-172 Fixed A migrating long worm that can not be put on the map results in an impossible (with a misleading message).
C367-173 Fixed Hero running past the quest leader and gets tossed out of the quest continues running on the other side of the portal.
C367-174 Fixed Grid bugs should not have hands.
C367-175 Fixed Zap reaching edge of map may cause out of bounds access.
C367-176 Fixed Vault guard gives two messages when created.
C367-177 Fixed Hero who can't see has no way of following the vault guard.
C367-178 Fixed Amorphous engulfer who has swallowed hero should not be able to get under a closed door.
C367-179 Fixed Hero unable to see self can still see glowing hands.
C367-180 Fixed Explosions burn hero's armor but not monster's.
C367-181 Fixed Wishing for lit candles may produce light of the wrong radius.
C367-182 Fixed Splitting an upaid stack with a permanent inventory may result in an impossible.
C367-183 Fixed If a bones file contains a doppleganger of a unique moonster, loading the file will prevent the real monster from being created.
C367-184 Fixed Over-writing an engraving on ice gives a message about dust.
C367-185 Fixed Guardian nagas never grab.
C367-186 Fixed Starting then cancelling throwing one of a stack leaves two stacks.
C367-187 Fixed Attack on shade may give the wrong information if hit does zero physical damage.
C367-188 Fixed Attack on shade may be dependent on whether or not the hero can see the attack.
C367-189 Fixed Attempting to unname an unique monster or shopkeeper using a space gives an odd message.
C367-190 Fixed Boulders owned by shops can be used up or taken without paying.
C367-191 Fixed Hero has super-hearing when an unseen monster reads a scroll.
C367-192 Fixed Engulfed hero can be robbed by a bullwhip-wielding monster.
C367-193 Fixed (Accessibility) Autodescribe with cursor movement gives no feedback for fake piles of gold.
C367-194 Fixed Throwing recoil while levitating that takes hero out of shop may trigger sanity check warnings.
C367-195 Fixed Gaze attack works against sleeping hero.
C367-196 Fixed A trap killing both the hero and the hero's steed may cause an impossible.
C367-197 Fixed Hero that cannot move is able to help nymph/succubus/incubus remove worn armor.
C367-198 Fixed Identifying by menu pops up multiple menues in turn but new menues may cover the feedback from previous ones.
C367-199 Fixed Randomly placed subrooms never touch the right or bottom wall of the enclosing room.
C367-200 Fixed Dying in a wall shared by two shops may result in internal warnings.
C367-201 Fixed Monster trapped in pit or web next to a polymorph trap may end up stuck.
C367-202 Fixed Game may accept a name longer than intended.
C367-203 Fixed Damage negated by magic cncellation may not produce any messages.
C367-204 Fixed Named, shape-shifted vampire may cause message "Dracula turns into Dracula".
C367-205 Fixed (Curses interface) Left and right arrows do not work for text editing.
C367-206 Fixed Item worn by hero destroyed by monster while hero floating over lava may cause a panic.
C367-207 Fixed Hero teleporting out of lava and landing on at least one object may result in duplicate messages.
C367-208 Fixed Failing to die on a water location may produce a message referring to "solid water".
C367-209 Fixed Trapped shapechanger killed by dropping carried boulders may cause a crash.
C367-210 Fixed Hug and similar attacks against unsolid monsters should not work.
C367-211 Fixed Monster created on the Astral Plan with zero gold pieces may lead to a warning.
C367-212 Fixed #terrain may cause an imposible when attempting to display a location last seen as a wall but is really a secret door and which is now an open door.
C367-213 Fixed Web may be created at a water or lava location but is not displayed.
C367-214 Fixed Engraving in open or empty doorway then closing or creating a door may produce an impossible.
C367-215 Fixed Engraving in wall or corridor that is later automatically repaired may cause an impossible.
C367-216 Fixed Some monsters falling into lava while wearing wooden armor may cause an impossible.
C367-217 Fixed OPTIONS=blind, then being normally blinded may give an inappropriate message.
C367-218 Fixed Monsters will never target the left column when teleporting.
C367-219 Fixed Under some conditions monster will not attack monster diagonally.
C367-220 Fixed If ^P causes a sanity_check warning, it will never display real history.
C367-221 Fixed If hero sees a monster hide no feedback is given.
C367-222 Fixed Vlad may be put in a bones file; this would make a game that uses that file unwinnable.
C367-223 Fixed Sleeping monster may be affected by taming.
C367-224 Fixed Some statues have a zero weight.
C367-225 Fixed When hero has protection from shape changers, werecreatures in human form may still transform.
C367-226 Fixed Status highlightingf ro hit points is broken: up rule is used for both up and down changes.
C367-227 Fixed If Magicbane cuses a shapeshifter to revert, messages may still use the shifted form for a while.
C367-228 Fixed Pets may eat Medusa's corpse when they should not.
C367-229 Fixed Applying wielded, lit potion of oil to unlight it while other unlit potions of oil were quivered may cause a panic.
C367-230 Fixed The throne room in the Samurai quest has no throne but the entry message refers to a throne.
C367-231 Fixed #overview may show a row of dots if a temple is know but its altar was not.
C367-232 Fixed When hero wearing amulet of magical breathing has it stolen by nymph, game may panic.
C367-233 Fixed Mimics may wake and come out of hiding if hero without protection from shape changers returns to a visited level.
C367-234 Fixed Monster using vault teleporter on purpose may not get sent to the vault.
C367-235 Fixed Newly created blank spellbook may increase weight when put in a container.
C367-236 Fixed After flooding removes a trap, monster on that spot is still trapped and the game gives an impossible.
C367-237 Fixed Riding and donning elven boots may say hero is walking.
C367-238 Fixed Wishing for a lit candle may tell you it is partially used when it is not.
C367-239 Fixed Potion of oil may burn for too long.
C367-240 Fixed Engulfer may pass through iron bars while hero is engulfed and unable to pass through.
C367-241 Fixed If a monster tryies to teleport next to the hero but the level is too full to allow it, the monster may leave the level instead of staying put.
C367-242 Fixed Trying and failing to pick up a loadstone when there is a type name for loadstone may still use "grey stone" in messages.
C367-243 Fixed Vapor cloud dissipation may not update the map promptly.
C367-244 Fixed Gold moved into throne's coffer chest or given to an exchequer while quivered may lead to a crash.
C367-245 Fixed Polymorphing a spellbook may give a spellbook with a Discworld title.
C367-246 Fixed If a statue is adjacent to a pit the hero is in, hero can reach statue with a pick-axe.
C367-247 Fixed "#adjust a b" swaps a and b instead of merging them.
C367-248 Fixed "#adjust a a" may say "Merging" instead of "Collecting".
C367-249 Fixed "#adjust a a" message may be missing a colon.
C367-250 Fixed Pets act as if any noise made by hero is whistling.
C367-251 Fixed Engraving with a stack of weapons dulls the whole stack, not just one.
C367-252 Fixed Hero with water walking should fall into boiled-away pool.
C367-253 Fixed Shops may overcharge for using stacks of items.
C367-254 Fixed The tile for Ixoth depicts a demon but should depict a red dragon.
C367-255 Fixed Spellbook fading to blank paper may not update persistent inventory window.
C367-256 Fixed altmeta + number_pad does not work well with counts.
C367-257 Fixed "I x" inventory listing may be wrong for unpaid, used up potions.
C367-258 Fixed When using #loot to place items into a shop-owned container, the 'a' and 'q' options do not work properly.
C367-259 Fixed A nymph stealing armor and killed quickly may give incorrect message.
C367-260 Fixed In-game option setting that asks for a line of input treats it as comma separated (like in the config file).
C367-261 Fixed #terrain does not understand gas and clouds.
C367-262 Fixed Player is told about a dissipating gas cloud even when hero is swallowed.
C367-263 Fixed Two messages may be generated when a cloud dissipates.
C367-264 Fixed Known object in a secret corridor may be forgotten when the corridor is discovered.
C367-265 Fixed Restoring a save file created with a hero polymorphed into a light emitting monster may cause the game to panic or impossible.
C367-266 Fixed In-game setting status highlight for hunger with text match may crash some build configurations.
C367-267 Fixed If eating a tin kills the hero and bones are saved, the tin is saved uneaten.
C367-268 Fixed Digging in ice does odd things at the space across from a drawbridge.
C367-269 Fixed Pets with reflection do not attack floating eyes often enough.
C367-270 Fixed Missing sysconf file prevents showpaths option from completing.
C367-271 Fixed Putting on undiscovered water walking boots when underwater may not discover them.
C367-272 Fixed Angry shopkeeper may not charge for thrown items.
C367-273 Fixed Knight's pony may start with two saddles.
C367-274 Fixed When flying down you may get a message that mentions "fall".
C367-275 Fixed Mitre of Holiness does not give fire resistance.
C367-276 Fixed Sokoban map may start with excess stone displayed.
C367-277 Fixed Air elementals are more powerful than intended.
(related spoiler bugs)

X11-only bugs

ID Status Description Additional Info
X367-1 Fixed The wishing help window does not disappear when it should

Build-from-source issues (all platforms)

ID Status Description Additional Info
S367-1 fixed Building under some macOS toolchains fails due to issues with unused results. Try this diff.
S367-2 Fixed makedefs can corrupt temp files when using a parallel build system.
S367-3 Fixed PREFIXES_IN_USE + COMPRESS configuration can crash during save.
S367-4 Fixed NetHack will not build with GCC 15.1. Apply this diff.

Bug Status Key

StateMeaning
OpenThe bug is unresolved, but we know what we need to about it.
Not a bugSometimes people think this is a bug, but they're wrong.
fixed The bug will be fixed in the next release.
FixedThe bug will be fixed in a future release.
HelpWe don't know what is causing this - if you see it, please send a detailed bug report. Thanks!
SupersededSee another entry for information on this bug.

Bugs lists for previous versions

 3.3.0 bugs list
3.3.0 spoiler bugs list
3.3.1 bugs list
3.3.1 spoiler bugs list
3.4.0 bugs list
3.4.0 spoiler bugs list
3.4.1 bugs list
3.4.1 spoiler bugs list
3.4.2 bugs list
3.4.2 spoiler bugs list
3.4.3 bugs list
3.4.3 spoiler bugs list
3.6.0 bugs list
3.6.0 spoiler bugs list
3.6.1 bugs list
3.6.1 spoiler bugs list
3.6.2 bugs list
3.6.2 spoiler bugs list
3.6.3 bugs list
3.6.3 spoiler bugs list
3.6.4 bugs list
3.6.4 spoiler bugs list
3.6.5 bugs list
3.6.5 spoiler bugs list
3.6.6 bugs list
3.6.6 spoiler bugs list