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Steam News5 October 20259mo ago

Patch Pre-Release 1#

Fixed Voice chat problems Improved optimization for better performance Update 4.1 development started Trying to fix fatal errors while switching levels in multiplayer

Full notes

Full Lost In The Backrooms: Day 100 update

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

What changed

1 fix0 additions2 changes0 removals
  • UI and audio
  • Performance
  • Server
fixedFixed Voice chat problems
changedImproved optimization for better performance
changedTrying to fix fatal errors while switching levels in multiplayer

Lost In The Backrooms: Day 100 changes

fixedFixed Voice chat problems
changedImproved optimization for better performance
changedTrying to fix fatal errors while switching levels in multiplayer
  • Fixed Voice chat problems

  • Improved optimization for better performance

  • Update 4.1 development started

  • Trying to fix fatal errors while switching levels in multiplayer

Source

Steam News / 5 October 2025

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