DayZ PC Experimental Update 1.28 : Patch Note #1

Dayz PC Experimental update 1.28 Update #1 – Version 1.28.159768 (Release on 15.04.2025)

NOTES

• Consider using the Steam client option to verify the integrity of the local game cache to avoid corrupted data after downloading this update.
• Consider de-fragmenting your HDD after downloading large updates.
• In case of problems, please check the Bohemia Interactive support F.A.Q., DayZ F.A.Q., or BattlEye F.A.Q.
• You can help us to further improve the game by posting your feedback on the Feedback Tracker.

How to join the experimental

FROSTLINE EXPANSION 

ADDED

• Heli crash event
• Crashed Patrol boat event
• Crashed Fishing boat event
• Medical event
• Geysers added to hot springs
• Ambient sounds added to caves

FIXED

• Dead fallen trees would rustle like bushes when walked over
• Missing sound on submarine tower

GENERAL GAME

ADDED

• RAK-37
• PSO-6 scope
• Leupold Mark 4 scope
• Sportpoint Sights
• New music track added to the in-game credits
• Updated weapon obstruction system

CHANGED

• Updated weapon obstruction system
• Updated tail sounds for hunting and sniper rifles
• Tweaked tail sounds for SMGs
• Upgraded the networking for Cars, improving most situations when driving at higher ping
• Automatic gearbox simulation has been improved, affecting Humvee
• Rebalanced firearm damage against infected
• Tweaked bandaging animations
• Reduced optic edge distortion on hunting optics
• Added damage visuals for 2D optics
• Reworked range finder optic view
• Adjusted teeth clattering sound
• Disabled Gamepad in Server Browser
• Decrease weapon sway in the prone position
• Global weapon sway speed decrease
• Slightly increased weapon recoil for most rifles
• Dispersion increased weapons by moderate amount
• Adjusted sway and recoil values for several weapons to improve consistency across categories
• Reduced muzzle flash size to improve visibility while shooting
• Slightly reduced player footstep volume and restored infected footstep range
• Improvised clothing could be repaired with rags
• The fire geometry of the static road barricade was reduced to better match the actual shape of the object

FIXED

• Weapon and magazine could desync when picked up near distant players
• Base building kit folding produced no sound
• Mini sight reticle visible without battery
• Reload through the dedicated reload key could occasionally be non-functional after relog (T158378, T164601, T173603, T177030, T179279)
• Jumping sound in deforested areas was too loud
• Various clipping issues
• Incorrect wood grain on house pillars
• Splint action shown on seated player with broken leg
• Night vision reticle still worked visually after battery was removed
• Unable to throw items when another player was checking pulse
• Vehicles could become partially stuck in terrain after falling
• Infected could clip through floors
• Visual issues with some bushes
• Explosives couldn’t be disarmed right after arming
• Missing collision on lockers in power generator room
• Flash of white screen when falling unconscious from shock
• Shock effect not visible when regaining consciousness until standing animation finished
• Various duplication exploit mitigations
• Mitigated item teleportation exploits
• Freeze when spamming filters in server browser
• Server browser sort by map caused freeze during server load
• Some indoor sounds were incorrectly played as outdoor
• Some glasses invisible in 1st person
• Player could see through walls in 3rd person
• Camera twitching when walking on rails
• Knife could fail to open food can in inventory (T189714, T189784, T190046)
• Plants in garden plots seeded before a server restart could not grow after the restart (T189434)
• Sones with trail markers were unusable for crafting
• Missing windowsill in Tisy barracks
• Ruined suppressors could still partially mute gunshots, making distant shots inaudible even when the suppressor was destroyed (T188571 – private)
• Exiting a boat as a driver could teleport the player to an unintended location (T189750)
• The ChemGas grenade could sometimes fail to explode on impact or detonate mid-air immediately after being thrown (T189998, T190002 – private)
• The contaminated area created by ChemGas grenades was invisible from a distance, while still cause a disease and produce bleeding cuts on a player
• Players could move while exiting the server under specific input conditions
• Damaged glass on pistol optic attachments could appear overly bright during nighttime
• The Steyr AUG scope reticle changed color depending on what it was aimed at
• Leaning before using binoculars  causes rotated mouse movement (T174629)
• Visual damage states now appear correctly on various weapons including AKM Assault Rifle, CZ 75 Pistol, FNX-45 Pistol, Flare Gun, Izh 18 Rifle, Makarov IJ70 Pistol, P1 Pistol, VSS Vintorez, Winchester Model 70 Rifle (T174894)
• The map category label in the server browser was not properly localized across all supported languages
• Game could crash after reassigning an emote key following a keybinding reset without applying changes first (T186108)
• Damage on reflex optics was not visible when aiming through them
• Grey background behind inventory and vicinity tabs was misaligned with the rest of the UI
• The sound of washing hands continued after canceling the action
• Failed engine start due to missing battery did not play the correct sound
• Heat buffer icon could flash and show the breathing animation incorrectly
• Light melee attack chains could randomly break and not continue as expected
• Item held in hands would levitate when the player became unconscious while seated in a boat
• Players could swim while holding heavy items, enabling unintended transport across water
• Dragging and dropping items into the vicinity bar failed unless dropped on a specific area
• Vehicles no longer get partially stuck inside the terrain after falling from a height
• Opening/closing car door would sound like it was coming from the center of the vehicle instead of the door

SERVER

• Added: spawnabletypes.xml now supports quantmin and quantmax like types.xml (0-100%) (T178206)
• Added: spawnabletypes.xml now supports nested item cargo and attachments
• Added: spawnabletypes.xml now supports nested damage min max
• Added: spawnabletypes.xml now supports nested presets through equip=”true”
• Added: weapons spawned through spawnabletypes.xml and randompresets.xml can now have a chambered bullet
• Added: weapons spawned through spawnabletypes.xml and randompresets.xml can now have bullets in internal magazine
• Added: randompresets.xml can now be appended to with cfgeconomycore.xml
• Fixed: Random damage from spawnabletypes.xml had more chance to be the maximum or minimum value than a value in between
• Fixed: “[CE] :: WARNING :: Preset “…” is EMPTY.” message now correctly reports empty presets instead of always the first attachment and cargo presets even if they were not empty
• Removed: “Flags reset for type:” redundant message which was being wrongly displayed

MODDING

ADDED

• Documentation for Environment class API in script
• Documentation for PlayerAgentPool and AgentBase API in script
• Model optics will now partially support hidden selections
• Physics: In Contact class, variables ‘ShapeIndex1, ShapeIndex2, VelocityBefore1, VelocityBefore2, VelocityAfter1, VelocityAfter2’
• Cars: ‘wheelHubFriction’ config variable to define axle drag when no wheels are attached
• Cars: ‘useNewNetworking’ config parameter, default 1. Mods that modify the vehicle physics outside of the ‘SimulationModule’ config may need to disable the reconciliation system
• Enforce Script: ‘sealed’ keyword
• Enforce Script: ‘Obsolete’ attribute for functions and classes
• Enforce Script: Compiler error when script methods exceed the maximum amount of parameters: 16, buffer overflows and randomly crashes
• ‘vector Object.GetSelectionBasePositionLS(string)’ to get selection position without animations applied
• Gizmos to the script API, enabling interaction through the context menu in Inventory. Available only on DayZDiag
• Functions to get the user animation source names by index for Entity ‘int Entity.GetNumUserAnimationSourceNames()’, string Entity.GetUserAnimationSourceName(int index)’
• vector Object.GetSelectionBasePositionLS(string)’ to get the position without animations applied
• WeaponObstructionData settings to CfgGameplay

CHANGED

• Physics: Bullet Physics updated to the latest Enfusion version
• Physics: ‘PhysicsGeomDef.MaterialName’ now takes .bisurf (e.g. ‘DZ/data/data/penetration.bisurf’) or CfgSurfaces (e.g. ‘#cp_concrete1’ where the config path is ‘CfgSurfaces cp_concrete1)
• Physics: Terrain intersections are now extruded one meter down to improve collision detection against large fast moving objects
• Physics: In Contact class, ‘Material1’ and ‘Material2’ have changed from type ‘dMaterial’ to type ‘SurfaceProperties’. which is now the base class of SurfaceInfo
• Cars: Suspension is now always active while the vehicle is awake, even when there are no wheels attached
• Enforce Script: Improved ‘Multiple declaration of class’ error
• Enforce Script: Parser now contains more FIX-ME warnings
• ‘CGame.OnPostUpdate’ event is now executed after the camera has been updated, ensuring ‘CGame.GetScreenPos’ uses the correct transformation to prevent UI elements from being positioned based on the previous frames camera data
• ‘SoundObject.SetParent’ now takes in the pivot index, allowing attachment to an animated component
• GameplayEffectWidgets manager inits to help facilitate modding

FIXED

• Physics: Various fixes to dBodyCollisionBlock/dBodyRemoveBlock
• Cars: Brake/Handbrake was being applied twice, please update the ‘maxBrakeTorque’ and ‘maxHandbrakeTorque’ for your car mods by doubling the values in config
• Enforce Script: Script USER define will now correctly reflect the active user name
• Crash when using ‘SoundObject.SetParent’
• Spawning an object outside of the world via ObjectSpawner no longer causes a stack smashing detected crash on Linux servers.
• Infinite stamina mods could prevent jumping or holding breath after 1.27 Patch 1 (T190645)
• Crash and restored functionality of ResourceBrowser.GetCurrentFile workbench module script API

REMOVED

• Physics: In Contact class, variables ‘MaterialIndex1, MaterialIndex2, Index1, Index2’
• Option to change rangefinder color in config (use layout)

TOOLS

ADDED

• Script Editor: When using the floating ‘Find Symbol’ window, the Escape keypress or submit via Return will now close the window
• Script Editor: Debugger watch search bar
• Script Editor: Context Menu: Methods: “Overrides” and “Overridden by”
• Script Editor: Context Menu: Types: “Base Classes” and “Derived Classes”
• Script Editor: Scrollbar will now draw cursor, break points and bookmarks positions as well as scope and lines with changed/saved changes. Option to toggle this added
• Script Editor: Search/replace now supports current selection only
• Script Editor: Lines can be moved in the Script editor via Alt+Up Arrow/Alt+Down Arrow key combinations
• Script Editor: Status bar info for viewing scope, line and column
• Script Editor: Selecting symbols in script files will highlight them in the Outline
• Script Editor: Split view for viewing two script files at one time
• Script Editor: Reopen last closed tab (Ctrl+Shift+T)

CHANGED

• Workbench: Updated splash screen and icon to reflect the new Enfusion visual identity
• Workbench: Double-clicking ‘.layout’, ‘.imageset’, and ‘.styles’ files in Workbench no longer opens them in an external application; a new “Open file with” option is available via right-click context menu
• Script Editor: Improved breakpoints window search, enable/disable/remove all breakpoints options

FIXED

• Workbench: Frequent crashes on widget text field changes
• Workbench: Frequent crashes on widget property changes
• Workbench: Crash when clicking into widget viewport while editing a property
• Workbench: A crash when clicking outside a text field after editing it without pressing Enter
• Script Editor: ‘super’ keyword syntax highlighting

KNOWN ISSUES

• Updated firearm sounds are not as audible as they should be on long range, will be tackled in a future experimental release