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Steam News27 September 20259mo ago

Internal version b26 released

Version beta 26 is now available for internal testers! It will appear as "b26_1.0". If you are just keeping up with development from the outside. thank you for your support.

Full notes

Full C4: Classical Caliber Combat Contest update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes10 additions6 changes1 removal
  • Compatibility
  • Gameplay
  • Balance
  • UI and audio
  • Performance
addedVersion beta 26 is now available for internal testers! It will appear as "b26_1.0". If you are just keeping up with development from the outside. thank you for your support. Make sure to join the Discord to be a part of the conversation!
addedNew modifier: Infection!
addedNew modifier: Floor is Lava!
changedBalance
addedNew types of item animations have been added
changedImproved visual and audio feedback for air/wall jumps

Version beta 26 is now available for internal testers! It will appear as "b26_1.0". If you are just keeping up with development from the outside. thank you for your support. Make sure to join the Discord to be a part of the conversation!

Content

  • New modifier: Infection!

  • New modifier: Floor is Lava!

Balance

  • Launchers (bounce + boost pads) now apply a temporary effect that enables wall jumping and increases air control.

  • Split Contest modifier card packs into mobility and combat types for more determinism around what you will get

Features

  • New types of item animations have been added

  • Improved visual and audio feedback for air/wall jumps

  • Added a setting to restrict the horizontal space the UI takes up (useful for ultrawide)\\

  • Added a separate setting for gamepad horizontal sensitivity

  • Filled out the main menu with all 51 ArenaBots, even though some of them don't have their weapons yet

  • Improved spectator camera orbit functionality with stick-to-target for characters

  • Removed loading tips from launch sequence

  • Added light sources to a few more things, including the Mutator Barrel and item boxes

  • Improved 3D world widget materials to significantly decrease anti-aliasing artifacts while moving

  • Improved on-screen trackers, they should no longer visibly lag behind targets

  • Added in-game bug report and feedback surveys

  • Added a popup to the Lobby when you attempt to start a match or contest with no opponents (can be disabled in settings)

  • Improved game vote logic in Contest mode to shuffle teams even when team count does not change

  • Added a "To Do" sticky checklist to the main menu, this is a demo feature and is disabled for now

  • Created a community guide for chat commands and content iDs

Source

Steam News / 27 September 2025

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