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Steam News27 May 20262mo ago

Network Patch 2026-05-27 23:00

Server and Network Update We have deployed a major update focused on improving network stability, performance, and server management. Optimizations Significant improvement in UDP network encoding performance.

In this update5

Full notes

Full Cosmonade update

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What changed

0 fixes2 additions13 changes0 removals
  • Server
  • Performance
  • Gameplay
changedServer and Network UpdateWe have deployed a major update focused on improving network stability, performance, and server management.
changedOptimizationsSignificant improvement in UDP network encoding performance.
changedOptimizationsReduced CPU load on the network sending thread.
changedOptimizationsSystem buffer optimizations for more stable data transmission.
changedOptimizationsReduced latency spikes during packet sending.
addedRegion SystemAdded server region selection system.

Cosmonade changes

changedWe have deployed a major update focused on improving network stability, performance, and server management.
changedSignificant improvement in UDP network encoding performance.
changedReduced CPU load on the network sending thread.
changedSystem buffer optimizations for more stable data transmission.
changedReduced latency spikes during packet sending.

Server and Network Update

We have deployed a major update focused on improving network stability, performance, and server management.

Optimizations

  • Significant improvement in UDP network encoding performance.

  • Reduced CPU load on the network sending thread.

  • System buffer optimizations for more stable data transmission.

  • Reduced latency spikes during packet sending.

Region System

  • Added server region selection system.

  • Players can now choose their game region.

  • Region can be changed from the in-game menu.

  • The server remains authoritative over gameplay and validates available regions.

Network and Stability

  • Improved network frame handling to reduce latency variation.

  • Optimized socket write syscalls.

  • Better server load handling under high population.

Miscellaneous

  • Minor fixes and general stability improvements.

  • Internal code cleanup and server-side optimizations.

Notes

This update primarily focuses on improving network smoothness and server stability during high-intensity gameplay sessions.

Source

Steam News / 27 May 2026

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