Arma Reforger update 1.040.045 is available to download on PS5, PC(Steam) and Xbox. According to the official Arma Reforger patch notes, the latest update 1.4.0.45 improves character interactions with barbed wire, fixed critical crashes and visual bugs, enhanced editor and AI systems. Today’s Arma Reforger version 1.040.045 also resolves UI loading issues across Workshop and controls.
Arma Reforger Update 1.040.045 Patch Notes – June 19, 2025

Patch 1.4.0.45 Notes Summary
- Improved barbed wire collision to interact with character stakes.
- Fixed multiple crash issues related to wire and weapon attachments.
- Resolved visual bugs in turret and mortar views.
- Enhanced stability in editor tools and Workshop UI.
- Fixed AI and control system issues affecting navmesh and voice inputs.
Assets
Tweaks
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Barbed Tape/Wire Collision: Characters now properly collide with barbed stakes.
Fixes
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Turret/Mortar ADS: Head, teeth, and eyes no longer remain visible when exiting aiming mode.
Editor
Fixes
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UI Highlighting: Respawn Menu button in GameMaster/ArmaVision/BuildMode now properly displays focused highlight.
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Smoke Effect Module: Automatically removed after expiration.
Stability and Performance
Fixes
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Light Gather Crash: Resolved stack overflow crash during BspWorldSubscene light gather traversal.
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Character Deletion Crash: Fixed crash when deleting characters entangled in barbed or razor wire.
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Leaning System: Addressed multithreading issue with leaning system registration.
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Weapon Attachment Crash: Resolved crash when attaching items to weapons.
AI
Fixes
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Navmesh Rebuild: Deleting a composition now correctly triggers navmesh rebuild.
Controls
Additions
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Input Curve Data: Added missing data for adjustable stance, movement speed, and leaning.
Fixes
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Voice Input Bug: Switching to short-range radio no longer causes continuous voice to get stuck.
Workshop
Fixes
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Page Loading: Prevented infinite loading when switching pages too quickly.
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Tab Switching: Fixed issue causing the first page to load endlessly when switching tabs rapidly.
Unfortunately, since the last patch
Download Arma Reforger update 1.040.045 on PS5, PC and Xbox.