Stalker 2 Update 1.4.2 Patch Notes for PC and Xbox – May 29, 2025

Stalker 2 update 1.4.2 is available to download on PC(Steam) and Xbox. According to the official Stalker 2 patch notes, the latest update reduces 9×18 ammo armor-piercing power, improves gamepad sensitivity on low FPS, fixes mutant animations, item duplication in quick slots, and several major mission blockers. Additionally, Stalker 2 patch 1.4.2 also includes stability fixes.

Stalker 2 1.4.2 Patch Notes – May 29, 2025

Patch Summary – Key Fixes and Adjustments

• Reduced armor-piercing efficiency of 9×18 ammo.

• Improved gamepad camera sensitivity at low framerates.

• Fixed erratic mutant behavior during threat investigation.

• Resolved item duplication bug in quick slots.

• Addressed multiple mission progression blockers and animation issues.

Combat & Weapon Balance

9×18 Ammo Adjustment

• Armor Piercing Multiplier: Lowered to reduce excessive penetration effectiveness.

Controls & Input

Gamepad Sensitivity

• Camera Movement: Adjusted sensitivity for smoother control on low framerates when using gamepads.

AI & Mutant Behavior

Mutant Threat Response

• Bug Fix: Mutants no longer shake or twitch erratically when reacting to nearby threats.

Inventory & UI

Quick Slot Items

• Duplication Fix: Consumables no longer show as available in quick slots if they are not present in the player’s inventory.

Mission & Progression Fixes

Dangerous Liaisons

• Objective Trigger Fix: Strelok’s radiocall and subsequent objective now trigger properly if all Wardens are eliminated at the TCS location.

The Last Step

• Scar Animation Bug: Fixed an issue where Scar could get stuck in a “confused” animation loop after being defeated.

The Boundary

• Friendly Fire Prevention: Sanya Ocheret no longer initiates combat with his own stalker squad.

Once More Unto The Breach

• Door Access Fix: Doors to Duga’s underground tunnel and Location D now remain accessible in user saves.

Recently, Stalker 2 update 1.4 added major AI improvements, combat enhancements, and bug fixes. NPCs use cover more effectively, communicate better in squads, and have finite grenades. Mutants now react more dynamically. Today’s Stalker 2 patch 1.4.2 will fix a few of these issues. Check out more details below.