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Changelog

openmw

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

OpenMW/openmw·

6.2k1kC++GPL-3.0

·Website

c-plus-plusfossmorrowindopen-sourceopenmwrpg-engine+1

Last updated 3 days ago

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NewJuly 4, 2025

OpenMW 0.49.0 Released!

After almost 3 years of development, we’re thrilled to release OpenMW version 0.49.0—our largest and most ambitious update yet!

This new release brings a hefty number of additions to our Lua scripting API, further polish to every single area of the engine—animations and lighting in particular—and it is the first one that goes beyond Morrowind! Be sure to read below for the full list of changes.

Known Issues

On macOS, launching OpenMW from OpenMW-CS requires ‘OpenMW.app’ and ‘OpenMW-CS.app’ to be siblings
[#7511] On Windows, a freeze may be reported if engine startup takes too long; ignoring the message is usually harmless as it should eventually disappear, but if it doesn't, share the freeze dump with us
[#8012] Combat music does not start during pause (e.g., during the dialogue that is scripted to start combat)

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[#2623] Actors prioritise Bound and Summon spells more
[#4207] Actors prioritise healing spells and potions much less
[#5065] Actors no longer attempt pathfinding while playing scripted animations
[#5129] Actors back up smoother during ranged combat
[#5413] Actors don’t yell taunts when engaging in combat against new allies of their current enemies
[#5755] Friendly hit counter doesn't increment during combat and resets after it
[#6313] High Fight rating allies no longer become hostile when the player has multiple allies
[#6574] Navmeshes are no longer generated for very distant exterior cells, preventing a crash
[#6932] Actors will no longer give preference to unreachable/invisible enemies in combat
[#6964] Failed path smoothing can no longer cause the path to be rejected
[#7064] Assaulted actors will realise they were assaulted even if they didn't detect the player
[#7450] Improved obstacle evasion: more movement directions are used depending on the actor's animations
[#7548] Actors can open doors teleported from a different cell
[#7604] Creatures can properly use potions
[#7639] Weapons are now considered useless if the actor's relevant skill is 0
[#7646] Ranged attacks against allies make them hostile immediately
[#7646] Magical attacks no longer prompt vocal friendly fire responses
[#7647] Wandering interrupted by a greeting properly resumes
[#7661] AI package assignments interrupt combat
[#7685] Increased follow package activation distance to match Morrowind
[#7723] Legalised assault and murder of vampires and werewolves
[#7724] Guards attack NPC werewolves
[#7758] Water-walking actors now properly consider their ability when pathfinding over water
[#7959] NPC in-world book activations are handled as player book activations
[#8132] Actors no longer face the player for greetings they won't deliver
Absorb Skill/Attribute effects, like Drain and Damage effects, are no longer used when the relevant stat is zero and are prioritised based on how important the relevant stat is
Alternate bound weapon spells aren't cast if a bound weapon is already in use
Bound weapon spell priority takes weapon skill and ammunition into account
Combat taunts are suppressed for On Self and On Touch spellcasting
Escort packages terminate immediately when no destination is provided
Wander AI properly supports crossing cell boundaries
Weapon enchantments no longer receive spell priority multipliers when rated as weapons

[#4127] Segments of attack wind-up and release are played continuously and are thus less choppy
[#4610] Weapons can no longer be unequipped during an attack, which ensures bound weapons appear after spellcasting animation ends
[#4742] Finished scripted animations no longer cause the same animations played afterwards as non-scripted animations to get stuck
[#4743] Scripted animations that can't loop are no longer automatically disabled
[#4822] Individual NPC body parts can have their own animations
[#5062] Accumulated animation movement is no longer discarded in favour of manual movement
This makes movement match Morrowind more closely, e.g. third-person camera sways for beast race characters
[#5066] Playing an ongoing scripted animation group with a script no longer restarts it
[#5371] Animations are no longer enabled for x prefix NIF files without their own x prefix NIF files when they are used as models
[#6723] Collada files support head tracking and turn to movement direction and smooth movement options
[#6992] Crossbow reloading animation is played on the entire body again
[#6993] Shooting the last round of ammunition is no longer interrupted abruptly
[#7042] Unexpected hit triggers are no longer processed – this stops some weapon animations from applying damage multiple times
[#7611] Manual movement mode is no longer stuck after turning or jumping – this prevents idle sliding
[#7636] Scripted animations persist through view mode changes
[#7637] Scripted animations always restrict movement
[#7641] Scripted animation loop count matches Morrowind
[#7886] Ready Weapon transitions can reuse the animation
[#7980] Paralysed actors no longer play blinking and talking animations
[#8191] Re-enabled sheathed melee weapon animations
[#8223] Movement takes priority over weapon animations for non-bipedal actors, allowing them to react to player movement when they're trying to attack
[#8237] Spellcasting stance transitions are disabled again for non-bipedal actors (for now)
Recoil/reloading weapon animation choice matches Morrowind

[#3438] Overhauled melee hit target selection to match Morrowind much closer
[#4204] Only actors with a base health of 0 are prevented from floating up upon cell reloading
[#4508] Identical enchanted items' effects can stack
[#4683] Temporary crime disposition changes are properly applied
[#4754] Ammunition can now be equipped partially
[#5057] Melee hit success evaluation now occurs at weapon release rather than apparent target impact
[#5714] On Touch range effects cast by non-actors always explode
[#6156] On Touch spells explode from the correct position
[#6894] To match Morrowind, picked-up ammunition is no longer automatically stacked with equipped ammunition
[#6949] Sun Damage is applied in quasi-exteriors
[#6974] Beneficial effects are reflected
[#6977] Sun Damage properly accounts for sun and cloud visibility
[#7034] Key flag is assigned automatically to items that are used as keys
[#7044] Autocalculated NPCs use service flags from their class
[#7122] Teleporting to a location where Water Walking cannot be active removes the effect
[#7163] Ingredients that do not have the first effect assigned can no longer be consumed instead of breaking the UI
[#7284] Your weapon has no effect message of normal weapon resistance shows up regardless of hit success
[#7413] Creatures are now spawned in generated ocean exterior cells
[#7415] Unbreakable lock behaviour matches Morrowind more closely, e.g. they can be unlocked using Open spells
[#7428] Enchantment cost and charge is auto-calculated when the relevant flag is set in the record
[#7472] Fixed the number of items used to calculate the enchantment price
[#7573] Drain effects can bring stats below zero again
[#7630] Charm effect can no longer be applied to creatures
[#7631, #7794] Fleeing actors can now be activated (with varying results)
[#7643] Any effect is allowed to be used in constant effect enchantments regardless of range support
[#7660] Failed ingredient consumption no longer breaks invisibility
[#7660] Item recharging and repairing and potion brewing break invisibility
[#7676] Ingredient order affects the potion effect order
[#7712] Spells and enchantments are no longer required to have effects to be cast
[#7728] Attempting to use a controller that cannot be used no longer causes a crash
[#7742] Governing attribute training limit now checks modified attributes rather than base attributes
[#7744] Fixed a crash when the player's starting inventory contains a weapon
[#7796] Absorbing enchantments properly restores Magicka
[#7859] Potion value is auto-calculated when the relevant flag is set in the record
[#7970] Magic effects removed during resting are no longer active throughout the remainder of resting
[#7997] Paralysis blocks camera perspective changes
[#8018] Potion effects of any range now apply, and they apply exclusively to the drinker
[#8064] 360° movement mode camera zoom can be properly disabled by scripting
[#8124] NPCs no longer resist normal weapons twice
[#8171] Items with above 100% condition can no longer be repaired to 100% condition
[#8187] Intervention spell destination logic now uses cell grid-based Chebyshev distance instead of Euclidean distance
[#8204] Storm wind makes you faster when you move away from its origin
Containers that only contain unresolved levelled items can be properly harvested
Directional movement controller bindings have been unbound from the DPad and can be rebound
Diseases cast as spells can no longer be resisted
If one of multiple active bound effects of the same type expires, a bound item will be properly re-equipped
Only On Self range constant and permanent effects are applied
Scripted effect explosions cannot be reflected

[#3842] The first rather than the last instance of every bone found in an object's subgraph is used for skinning
[#4898, #7585] Sunlight direction in exterior and interior cells now matches Morrowind, which improves accuracy and hides some vanilla asset lighting seam issues
Indoor shadows continue to align with the sunlight and might look more conspicuous
[#5280] Non-skinned geometry is no longer included in skinned body parts
[#5883] Idle actors now also emit water ripples
[#6190] Sunlight ("moonlight") specularity is no longer disabled for objects and terrain during nighttime
[#6190] Water specularity is no longer subdued harshly during the morning and the evening
[#6240] The same texture file can now be reused for different texture types without them getting confused on enchanted items
[#6657] Diffuse-specular terrain textures (or any terrain textures with an alpha channel) are no longer considered "transparent" by distant terrain (or any non-shader terrain rendering)
[#6665] Creatures should no longer be inappropriately rescaled by turn to movement direction setting
[#7040] Geometry rendered at the same depth as previously rendered geometry is drawn over it, which is important for some modded assets
[#7051] Object paging no longer separates animated Collada models from their collision shapes
[#7102] Shadow maps no longer take up texture slots used for normal textures
[#7229] If the error marker provided by content fails to load, the engine will fall back to the built-in error marker instead of crashing
[#7298] When projectiles hit water, their hit position is now used instead of their current position to emit water ripples, which should prevent ripple rendering issues
[#7309] Sunlight scattering accounts for sun visibility
[#7322] Shadows are properly applied to groundcover when the shadow scene bound calculation method is primitives
[#7353] Fixed a crash when normal maps are assigned to geometry with no UV
[#7505] Terrain samples used to generate distant terrain are now allowed to cover an area larger than a cell
[#7535] Bookart images can be used as regular object textures and vice versa
[#7557] Terrain preloading should no longer attempt to generate and cache terrain that is not going to be used
[#7633] Legacy groundcover now only attempts to instance normal geometry
[#7696] Fixed a potential freeze during distant terrain texture generation
[#7737] Rendering debug stats are now reported for loading screen frames
[#7931] Individual light contribution is no longer capped
[#7931] Light selection is now view-independent, significantly reducing pop-in
[#7931] You can now opt out of the early light cutoff. Classic falloff is more accurate to Morrowind but also more prone to seams/pop-in, especially when active grid paging is enabled
[#8002] Light sources held by creatures properly emit light
[#8172] Generating extremely complex path grid geometry for TogglePathGrid or OpenMW-CS views no longer causes a crash
[#8439] Fixed a variety of crashes when a creature doesn't have a model
[#8462] Fixed crashes when the window is resized or a setting is changed on macOS builds using SDL 2.24.0 or newer
Fixed blizzard wind and particle effect direction mismatch
Herbalism switch nodes no longer change state when a compatible container is reloaded and herbalism switch node support is disabled
Skinned models properly support switch node-based harvesting
Water will no longer sometimes turn invisible due to interior water level changes
Water waves are no longer flipped whenever you change water settings

[#3846] Unquoted string arguments that start with a period or a minus are supported in more cases
[#4289] Disabling objects that have no placed instances is now allowed
[#4816] GetWeaponDrawn starts returning 1 when the weapon is attached, rather than the moment you enter combat stance
[#4996] Redundant function arguments are ignored in a generalised way (but not yet ignored in expressions)
[#6716] Comparison operator parsing is more restrictive in terms of white space and less restrictive in terms of allowed special characters
This means combinations such as >!<<= and > = are now parsed as greater-than
[#6807] Special characters at the start of the line are ignored
[#6987] Set/ModBlindness instructions, which interact with the base value of Blind magic effect, no longer have a visual effect
[#7053] Collision detection functions such as GetCollidingPC work properly again
[#7084] Resurrect and levelled creature respawn now recognise if the relevant base records have changed and use the updated records
[#7148] Significantly improved script execution performance due to optimised string literal lookup
[#7416] ModPCCrimeLevel can clear crimes and can no longer make the bounty negative
[#7770] Various script functions and instructions that work with actor stats such as GetMagicka and AddSpell can now be used on objects (to no effect)
[#7770] GetItemCount can now run on objects without an inventory
[#7770] GetItemCount and GetSoundPlaying will return 0 instead of interrupting script execution when they have no instance to run on
[#7943] Add/RemoveSoulGem and Drop instructions now work on creatures that cannot equip items
[#8097] GetEffect can detect active effects that have 0 magnitude
DisablePlayerControls no longer disables controller camera movement while DisablePlayerLooking now does
GetHealthGetRatio now returns a ratio of 1 for actors that have a maximum health of 0
OutputRefInfo (ORI) command can be used in its unabbreviated form
SetAngle alternative ZYX rotation order axes are ordered properly
--script-all-dialogue option no longer attempts to compile dialogue result scripts for actors that do not use the relevant responses

[#4710] Fixed focus tooltip position for partially offscreen objects
[#5870] Selected object is reset in the console if it turns unavailable
[#6222] Global map cell size is capped at 50 pixels as excessive cell size can cause problems
[#6427] Actor health bar is kept visible when damage is dealt continuously
[#6661] Saved games that do not have a valid preview image no longer cause crashes or break the saved game dialogue
[#6758] The Settings window is now rendered over the main menu and its video
[#6985] Built-in Mystic Cards font now aligns non-punctuation characters by width and includes Latin letters with diacritics
[#6973] Training time advancement now happens after the screen fades out
[#7013] The local map should no longer become corrupted due to object movement affecting interior cell bounds
[#7054] Quests are now sorted alphabetically
[#7065] Big versions of magic effect icons now support forward slash-separated paths
[#7087] Resolution changes are disabled for windowed full-screen mode
[#7088] Deleting the last saved game of the only remaining character resets the character drop-down menu
[#7131] Shader uniform edit widget no longer defines an invalid padding property
[#7307, #7698] Names of attribute/skill effects no longer specify whether they affect an attribute or a skill
[#7459] It is now guaranteed only one item stack can be dragged at a time
[#7475] Equipping constant effect items properly updates active effect icons in the spell window
[#7531] Bitmap font Windows-1252 character substitutions are now accurate to the original game
[#7582] Skills should now always be displayed in the correct specialisation column of the custom class creation dialogue
[#7603] Scripts menu visible area is properly resized when page contents are updated
[#7617] Death save loading prompt now lets you load the last save you've saved or loaded like in Morrowind rather than the most recent save overall
[#7619] User marker text is now shortened on the global map like in Morrowind
[#7623] Full help text has been moved below the rest of the item tooltip
[#7642] Items are now sorted alphabetically in repair and recharge dialogues
[#7665] The alchemy menu allows picking and deselecting the apparatuses
[#7832] Fortify Maximum Magicka effect magnitude is no longer shown for ingredients
[#7875, #7914] UI windows can no longer be moved out of the visible area and are no longer snapped to the edge of the screen
[#7908] Shown key names no longer depend on their name in the currently used keyboard layout
[#8005] F3 profiler lines are now generally ordered chronologically
[#8364] The dialogue menu scrollbar no longer crashes the game upon use when the text area is exactly 1 pixel longer than the scroll area
[#8378] Partial bitmap font textures no longer prevent the game from running
[#8378] Bitmap font kerning is now accurate to the original game
[#8378] Non-breaking space glyph is always rendered in dialogue and books
[#8576] Fixed a potential crash on exit when a container with scripted items is open
English in-game text specific to OpenMW uses title case where applicable to improve stylistic consistency with Morrowind's lines
Displayed region names are substituted with their IDs if they are unavailable
Topic colouring is no longer temporarily reset if you talk to a creature after talking to an NPC or vice versa
Topic colouring reacts to mouse focus
Saved game loading interruption should no longer cause UI issues
User-defined nearest-neighbour filtering can now be properly changed to bilinear/trilinear in the settings window

[#5859] User openmw-cs.cfg no longer claims that it is settings.cfg
[#6939] Table subview columns are automatically resized based on their contents
[#7447] Fixed a crash when a cell of a different type is dragged into the scene view
[#7707] Terrain flags are properly handled and saved, ensuring exported terrain Morrowind/Construction Set compatibility
[#7721] Any printable character is allowed to be used in created record IDs, like commas and apostrophes often used in cell IDs
[#7753] NPCs in the scene view are scaled based on their height and weight
[#7765] Fixed stability problems of undoing/redoing the changes of the Touch command introduced in 0.48.0
[#7785] Affected skills and attributes are reset if a spell effect that cannot affect the relevant stat is assigned
[#7841] Cell water height is no longer saved unless explicitly changed or originally included in the record
[#7861] Dialogue type is now copied to topic response records to improve compatibility with tools that expect it to be there
[#7887] Script bytecode size reported by the script is recalculated based on the actual provided bytecode, preventing crashes during saving
[#7896] Parent file indices are now resolved and saved correctly, preventing some issues when multiple files modify the same object instance
[#7898] Object instance scale is clamped to [0.5; 2.0] range to mirror engine behaviour
[#7899] Locks can be properly unlocked
[#7901] Unusable teleport data is no longer shown when you are not working with a teleport door
[#8181] Generated topic response ID format has been changed to improve saved topic response compatibility with Morrowind/Construction Set
[#8299] Fixed a crash when smoothing terrain at the border with an undefined cell
Follow and Escort package duration is no longer handled as Wander package duration and no longer corrupts the package when edited
NPC verifier no longer complains about attributes set to 0
Object instance verifier now recognises body part records as valid objects
Regions can be dragged from their table to the region map
Sound generator records are now saved after creature records so that their creature references can work properly in Morrowind/Construction Set
Topic response records are now saved after quest records so that their quest filter conditions can work properly in Morrowind/Construction Set
Training service can no longer be enabled for creatures since they do not have skills and cannot provide training
Wander package idle chance columns are now numbered correctly
Water is displayed using a different brush on the region map

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Sound and Media

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