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Steam News2 April 20263mo ago

v5.1.2 patch

Dear Curators, This patch contains bug fixes and some minor performance improvements that could help very large aquariums. Tim Twice Circled v5.1.

Full notes

Full Megaquarium update

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

What changed

3 fixes1 addition3 changes0 removals
  • Performance
  • Gameplay
  • Balance
  • Fixes
changedThis patch contains bug fixes and some minor performance improvements that could help very large aquariums.
changedv5.1.2 ChangelogOptimisation: Reduced the frequency of multi-tank system updates to reduce CPU load in late-game aquariums with many tanks combined into a single system.
changedv5.1.2 ChangelogOptimisation: Utilise caching and adjusted logic to reduce CPU load from objective checking (helps most in late game aquariums with 1000+ objects).
fixedv5.1.2 ChangelogFixed bug: game was giving 'eat or damage' warnings incorrectly in some circumstances.
fixedv5.1.2 ChangelogFixed bug: Prestige window species count was not reducing when you sold a species until the game was reloaded.
fixedv5.1.2 ChangelogFixed bug: One of the placements on the Small Centerpiece was off.

Dear Curators,

This patch contains bug fixes and some minor performance improvements that could help very large aquariums.

Tim Twice Circled

v5.1.2 Changelog

  • OptimisationReduced the frequency of multi-tank system updates to reduce CPU load in late-game aquariums with many tanks combined into a single system.
  • OptimisationUtilise caching and adjusted logic to reduce CPU load from objective checking (helps most in late game aquariums with 1000+ objects).
  • Fixed bug: game was giving 'eat or damage' warnings incorrectly in some circumstances.

  • Fixed bug: Prestige window species count was not reducing when you sold a species until the game was reloaded.

  • Fixed bug: One of the placements on the Small Centerpiece was off.

  • ModdingAdded additional resilience to campaign missions with regards to mods which change tank sizes. Campaigns will not work exactly as intended, so it's not recommended, but it will be less likely to cause a situation where the player cannot progress.

Source

Steam News / 2 April 2026

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