sp-tarkov/build 4.0.3

SPT 4.0.3 (40087)

on GitHub

Requires EFT 0.16.9-40087 (released 12th September 2025)

You NEED the .NET 9 runtimes:

• https://dotnet.microsoft.com/en-us/download/dotnet/thank-you/runtime-9.0.9-windows-x64-installer
• https://dotnet.microsoft.com/en-us/download/dotnet/thank-you/runtime-aspnetcore-9.0.9-windows-x64-installer

Release notes

• More bug fixes and improvements with a focus on improving the halloween zombie event

Automatic install instructions

This is the recommended way to install SPT
https://forge.sp-tarkov.com/installer

Mod compatibility

• Compatible with 99% of mods made for 4.0.x
• Incompatible with ALL mods not made for 4.0.x

Profile compatibility

• Compatible with 4.0.x profiles
• Incompatible with 3.11.0 profiles and older
• 3.11.4 profiles with no custom items/traders/total conversions should work

Manual install instructions (Optional)

https://github.com/sp-tarkov/build/wiki/Manual-Install-Instructions

Upgrading from 4.0.x

• Download 7z file from the "Direct Download" section below and extract its contents into your existing 4.0.x install folder. Overwrite all

Changes

ADDED

• Added server notification alert when a new SPT version is available
• Added Night of The Cult quest chain to Halloween
• Enabled Night of The Cult bosses to spawn (10pm+)
• Added profile migration to fix broken pockets when a mod modifying pockets is removed
• Server will show an explicit error if you are using a mod built for a newer SPT version

MODIFIED

• Weapon/armor flea price is now based on the combined total of its mods
• Blacklisted IMP mine detector from reward pool and from flea offers
• Adjusted infection rate to better work with event questline
  • Ground Zero 0 to 25,
  • Woods 50 to 60,
  • Interchange 5 to 0,
  • Reserve 5 to 50,
  • Lighthouse 5 to 50,
  • Streets 5 to 50
• Adjusted bot hostility values when inside zombie event
  • Bosses are hostile to player
  • Boss followers are hostile to player
  • PMCs are hostile to player and scavs
  • Raiders are hostile to player and PMC bots
• BTR will use tarcola skin during Christmas event
• Flagged Night of The Cult as Halloween quest
• Adjusted Goons spawn chance to 20% across Customs/Lighthouse/Woods/Shoreline

FIXED

• Fixed disabling bosses in pre-raid screen disabling all zombie spawns
• Fixed spawn boss pre-raid checkbox removing zombies during halloween event
• Fixed sectantOni/sectantpredvestnik/sectantprizrak/ravangezryachiyevent lacking durability values
• Fixed sectantOni/sectantpredvestnik/sectantprizrak lacking standingForKill/aggressorBonus/reward values
• Fixed neutral hostility changes being applied to all maps, not just ones with infection event
• Fixed textbossTagillaAgro to match what BSG expects bossTagillAagro
• Fixed entering raid with severe muscle pain and exiting with severe and mild muscle pain
• Fixed raids not reducing effect timers on effects gained out of raid
• Fixed player scav not having correct HP values on limbs
• Fixed weapon builds not overwriting existing data

MODDERS

• ReplaceBotHostility() now accepts an optional second parameter of locations that acts as a whitelist
• Contents of user/profileData/PROFILE_ID is cleared when player chooses 'wipe' option on launcher
• ProfileDataService changes
  • Added ClearProfileData()
  • Replaced filepath access with Path.Combine
• Removed BotCore record

Known SPT issues

https://github.com/sp-tarkov/build/wiki/Known-SPT-issues

Known NON-SPT issues

https://github.com/sp-tarkov/build/wiki/Known-non-SPT-issues

Direct Download

https://spt-releases.modd.in/SPT-4.0.3-40087-96c7fef.7z

Thanks

DrakiaXYZ
ArchangelWTF
CJ-SPT
yurikus
ozen-m
GrooveypenguinX
Bubs-dev
tyfon7

Everyone in #be-testing who gave up their free time to find and report issues
Everyone who created an issue ticket