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Steam News19 June 202613d ago

Patch ver 2.0.3

Summary: Overhauled co-op networking with a hybrid peer-to-peer system that connects players directly whenever possible and falls back to a relay only when firewalls block it.

Full notes

Full Mycelium Conquest update

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What changed

1 fix3 additions2 changes0 removals
  • Gameplay
  • Server
  • Fixes
changedSummary: Overhauled co-op networking with a hybrid peer-to-peer system that connects players directly whenever possible and falls back to a relay only when firewalls block it.
changedCo-op connections now try to connect players directly to each other first, only using a relay server as backup when direct connection isn't possible
addedPlayers behind difficult network setups (like apartment buildings or campus networks) can now connect and stay connected more reliably
addedThe host's plants and creatures now appear correctly on joining players' screens
addedLobby player lists and chat messages no longer go missing when joining a session
fixedSave failures now properly surfaced, and an overwrite data-loss bug fixed

Summary: Overhauled co-op networking with a hybrid peer-to-peer system that connects players directly whenever possible and falls back to a relay only when firewalls block it.

Changes:

  1. Co-op connections now try to connect players directly to each other first, only using a relay server as backup when direct connection isn't possible

  2. Players behind difficult network setups (like apartment buildings or campus networks) can now connect and stay connected more reliably

  3. The host's plants and creatures now appear correctly on joining players' screens

  4. Lobby player lists and chat messages no longer go missing when joining a session

  5. Saving during co-op matches is now restricted to the host only, preventing confusion about whose save is authoritative

  6. Optimizing breeding pit structure

  7. Save failures now properly surfaced, and an overwrite data-loss bug fixed

Source

Steam News / 19 June 2026

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