---
name: "Arma 3: Prof-Branch Change Log v2.18"
type: topic
source: https://community.bistudio.com/wiki/Arma_3:_Prof-Branch_Change_Log_v2.18
revid: 378262
updated: 2026-03-26T11:57:32Z
---

# Arma 3: Prof-Branch Change Log v2.18

> [!NOTE]
> Changes prior to March 2025 can be found on the [Bohemia Interactive forums](https://forums.bohemia.net/forums/topic/160288-arma-3-stable-server-218-profiling-performance-binary-feedback/).

## 19-05-2025

**2.18.152893** new PROFILING branch with PERFORMANCE binaries, **v32**, server and client, windows 64-bit, linux server 64-bit

- Added: -cpuAffinity command line parameter
- Fixed: Config parsing errors would be reported with wrong line number if the file had empty lines at the start
- Added: -cpuMainThreadAffinity command line parameter
- Added: getServerInfo command now forwards "PublicSettings" class from server.cfg
- Added: OnMissionInit/OnMarkerCreated/HandleChatMessage server-side events
- Added: spawn server-side script command

## 13-05-2025

**2.18.152881** new PROFILING branch with PERFORMANCE binaries, **v31**, server and client, windows 64-bit, linux server 64-bit

- Tweaked: Improved performance of engine closing files (could in some cases cause lag spikes) (Thanks *thegamecracks*)
- Fixed: Microfreeze when pressing "Next Target" key - https://feedback.bistudio.com/T191741
- Fixed: Potentially fixed sometimes missing particle effects (Please report if it happens again)

## 07-05-2025

**2.18.152860** new PROFILING branch with PERFORMANCE binaries, **v30**, server and client, windows 64-bit, linux server 64-bit

- Tweaked: Improved game start speed
- Fixed: Multithreading related crash (Thanks *Schaer*)
- Fixed: Crash while ADS and switching to spectrum device while remote controlling a unit (Thanks *Rook*)
- Fixed: Animation hitching (Thanks *clbt*)

## 28-04-2025

**2.18.152839** new PROFILING branch with PERFORMANCE binaries, **v29**, server and client, windows 64-bit, linux server 64-bit

- Tweaked: Netcode optimizations (No iterating linked lists, no garbage collect, faster CRC, more efficient retransmission queue, fast-retransmit on packet loss)
- Fixed: Flare's did not apply the Attenuation config to their light emitter
- Fixed: Potentially fixed sometimes missing particle effects (Please report if it happens again)

## 09-04-2025

**2.18.152799** new PROFILING branch with PERFORMANCE binaries, **v28**, server and client, windows 64-bit, linux server 64-bit

- Added: Listbox sorting is now multithreaded - https://feedback.bistudio.com/T184005
- Tweaked: Improved efficiency of listbox sorting - https://feedback.bistudio.com/T184005
- Fixed: Accidental netcode change in v27

## 07-04-2025

**2.18.152785** new PROFILING branch with PERFORMANCE binaries, **v27**, server and client, windows 64-bit, linux server 64-bit

- Added: "AIThinkOnlyLocal" to setMissionOptions
- Added: Some basic.cfg network parameters can now be provided as strings
- Added: [connectToServer](../commands/connectToServer.md) command and serverbrowser direct-connect now supports resolving SRV records - https://feedback.bistudio.com/T127943
- Added: HTTP header support for HTTP mission file downloads
- Tweaked: Netcode adjustments (Don't send animation updates for objects that have no animations, don't send "stats" updates when stats haven't changed)
- Tweaked: General netcode performance improvements
- Changed: Networking bandwidth estimation behavior of Min/MaxBandwidth (MinBandwidth is now unused on profiling branch)
- Fixed: Non-exploding missile hit would do too much damage
- Fixed: Forced game crash when addon requires addon that was skipped due to 'skipWhenMissingDependencies' (Thanks *Dart*)
- Fixed: URL encoding for HTTP mission file downloads

## 20-03-2025

**2.18.152744** new PROFILING branch with PERFORMANCE binaries, **v26**, server and client, windows 64-bit, linux server 64-bit

- Fixed: Incorrect laser marker positioning on and around water - https://feedback.bistudio.com/T188547
- Fixed: Laser target marker would get stuck on objects - https://feedback.bistudio.com/T71322
- Fixed: Reverted part of AI optimization ([cursorTarget](../commands/cursorTarget.md) now works on static objects again, but only for the player unit)
- Fixed: Crash when playing a sound more than 255 times at once
- Fixed: Server would get stuck at "Waiting for Server..." if one player did not select a role
- Fixed: Fired Event Handler in multiplayer would receive the wrong projectile for countermeasures - https://feedback.bistudio.com/T190141

<sub>Source: [BI Community Wiki — Arma 3: Prof-Branch Change Log v2.18](https://community.bistudio.com/wiki/Arma_3:_Prof-Branch_Change_Log_v2.18) (revision 378262).</sub>