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PATCH REPORT

Counter-Strike 2

Counter-Strike 2 Pre-Release Update

Oct 13, 2025 · Steam update tracked by Buffs & Bugs

PC
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OFFICIAL UPDATEWhat the developer says changed

Verified patch notes, affected platforms and developer-listed issues.

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PLAYER RESULTSWhat happened after players installed it

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WHAT CHANGED FOR ME?

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WHAT PLAYERS ARE REPORTING

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📋 OFFICIAL UPDATEWhat the developer documented
PLATFORM IMPACT

What this patch may affect on your system

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PCPlatform mentioned

PC has specific information in the official patch notes.

Other
Official note“<!DOCTYPE html> Steam :: Counter-Strike 2 :: Counter-Strike 2 Pre-Release Update " ); }; Sign in Store Home Discovery Queue Wishlist Points Shop News Charts Community Home Discussions Workshop Market Broadcasts About…”
Verify in the full official notes ↗
PATCH AT A GLANCE

Quick take

Official source ↗

A new pre-release build (“1.41.1.3-rc1”) is now available in the CS2 beta depot. This build is not compatible with public matchmaking.

AffectedPC
Main focusENGINE · GAMEPLAY · UI
  • For instructions on how to opt into a CS2 beta depot build, visit the following page:
  • https://support.steampowered.com/kb_article.php?ref=9847-WHXC-7326
  • Updated engine code to the latest version of Source 2.
OFFICIAL UPDATE NOTES · STEAM

What officially changed

A new pre-release build (“1.41.1.3-rc1”) is now available in the CS2 beta depot. This build is not compatible with public matchmaking.

For instructions on how to opt into a CS2 beta depot build, visit the following page:

https://support.steampowered.com/kb_article.php?ref=9847-WHXC-7326

ENGINE

Updated engine code to the latest version of Source 2.

Reworked bullet penetration simulation to reduce CPU usage.

Improved core utilization of some client particle and sound effects processing, reducing overall CPU usage when players are shooting.

GAMEPLAY

Defusing C4 will now lower the viewmodel weapon, prevent scoping, and delay firing the weapon by 150ms after exiting the defuse.

Fixed a case where 1 tick was incorrectly subtracted from sv_predictable_damage_tag_ticks.

UI

Major Highlight clips are now viewable from the Spectator Loadout.

Selected player is now more visible in the Team Counter.

Context menu in the Inventory now opens in a position relative to the cursor.

HUD weapon mode indicator has been moved to the ammo count.

MAP SCRIPTING

cs_script enums can now be imported and behave the same as TypeScript enums.

CSWeaponType.PISTOL == 1

CSWeaponType\[1] == "PISTOL"

Added enums CSRoundEndReason, CSHitGroup, CSLoadoutSlot, CSDamageTypes, CSDamageFlags and CSWeaponAttackType

Added BOOSTS value to CSGearSlot. This is the gear slot for healthshots.

Updated Instance.OnRoundEnd to now receive the reason

Updated Instance.OnBeforePlayerDamage to now receive damageType and damageFlags and the result can now modify damageType and damageFlags

Updated Instance.OnPlayerDamage to now receive damageType and damageFlags

Updated Instance.OnKnifeAttack to now receive attackType

Updated Instance.TraceLine, Instance.TraceSphere and Instance.TraceBox

The trace config now accepts an array of ignore entities or just one

The trace config can specify to trace against hitboxes

The trace result will include hitGroup if tracing against hitboxes

Updated Instance.BulletTrace result to include hitGroup

Updated Entity.TakeDamage to accept damageType and damageFlags

Added CSWeaponData.GetGearSlot()

Read the full official notes ↗
🎮 PLAYER EVIDENCEThe reports behind the community signal
PLAYER REPORTS

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