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Steam News9 June 202626d ago

Regular Game Update: June '26

Patch v1.0.103 - June 9, 2026 New Added health bars for final boss battles Improved Unlock check for character and achievement unlocks is more robust Vulkan is now the default for Linux and Steam Deck.

In this update5

Full notes

Full Cosmic Run update

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

What changed

0 fixes2 additions8 changes3 removals
  • Balance
  • Performance
  • Fixes
  • UI and audio
  • Compatibility
  • Gameplay
addedNewAdded health bars for final boss battles
changedImprovedVulkan is now the default for Linux and Steam Deck. It was OpenGL, which produced some flickering
changedFixedThe current passive loadout was not shown correctly in the game
removedFixedVoice transmissions should no longer play indefinitely
removedFixedRemoved some UI artifacts from Tutorial
removedFixedMinor UI language race conditions removed, so all menus are the same localization on first entry

Cosmic Run changes

addedAdded health bars for final boss battles
changedVulkan is now the default for Linux and Steam Deck. It was OpenGL, which produced some flickering
changedThe current passive loadout was not shown correctly in the game
removedVoice transmissions should no longer play indefinitely
removedRemoved some UI artifacts from Tutorial

Patch v1.0.103 - June 9, 2026

New

  • Added health bars for final boss battles

Improved

  • Unlock check for character and achievement unlocks is more robust

  • Vulkan is now the default for Linux and Steam Deck. It was OpenGL, which produced some flickering

  • Mouse cursor showing and hiding is more stable

Fixed

  • The current passive loadout was not shown correctly in the game

  • Voice transmissions should no longer play indefinitely

  • Removed some UI artifacts from Tutorial

  • Minor UI language race conditions removed, so all menus are the same localization on first entry

  • Some character names were not recognized during dialogues in Russian, Chinese, and Japanese

  • No damage boss fight achievement did not recognize damage taken correctly

  • The level border was not visible in the south of the levels, but damage was applied, confusing players

  • Many shaders were reworked for better compatibility across platforms

Known Bugs

  • Highlighting for the permanent upgrade menu needs improvement

  • Some weapon effect sounds are not always playing correctly

  • Chinese and Russian texts might contain bold letters within non-bold text

  • Final level up shows "new" for money and health, even when it was already selected

Source

Steam News / 9 June 2026

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