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Chernobyl: SimulatorNewsWEEKLY UPDATE #7
In-game event

WEEKLY UPDATE #7

Chernobyl: Simulator · published 23 Aug 2026, 17:08 UTC · build 24891256

All newsPlayers around this dateRead on Steam

This update focuses primarily on the continued development of the thermal-hydraulic network and the electrical grid, including the VIUB/VIUT panels. Parts of these systems are available and playable in the release, with further functionality planned for future updates.

It can be enabled though console (F1) convar "reactor.thermal_network 1".

Fixes

  • Fixed incorrect rod position readings in SKALA

  • Fixed zone unloading in multiplayer

  • Fixed Load / Share / Prune button sizes across different localizations

  • Fixed missing CJK characters in tooltips

  • Fixed setpoint range to 5–120 V

  • Fixed three-position knobs getting stuck in the middle position

  • Fixed mouse cursor capture issues when multiple windows were open

  • Fixed circular loop issues in wire logic

  • Fixed VIUB/VIUT alarm light labels

  • Fixed alarms being removed during continuous signal triggering

  • Fixed the Steam host being kicked from their own session

  • Fixed the control popup incorrectly displaying "Simulation Paused" while the simulation was running

  • Fixed the "Open Folder" button not working on Windows

Improvements

  • Retired the 4-second block to match the pre-accident configuration of Unit 4

  • Optimized GPU drawing performance

  • Recalibrated ion chambers so ARs overlap within the correct operating range

  • Adjusted ion chamber sensitivity

  • Feedback now also uploads the previous log

  • Server list now displays when a server is running an outdated version

  • Added wiring for the PK-AZ "Not Ready" alarm

  • Adjusted player movement

  • Added value indicators onto VIUB/VIUT panels

  • Wired several previously missing VIUR alarm lights

  • Added mouse sensitivity setting while zoomed in

  • Added reactor.dump_* ConVars for dumping reactor statistics to the console

  • Added tooltips to VIUB/VIUT alarm lights, value indicators, and control switches

Dedicated Server

Coming soon!

The dedicated server is getting closer to release and currently includes:

  • RCON support

  • Server roles

  • Player state persistence

  • Remote ConVar execution

More dedicated server features and documentation will follow as we get closer to release.

More from Chernobyl: Simulator

Other announcements

All news
In-game event22 Jul 2026WEEKLY UPDATE #6Don't forget to reset your key binds in settings. Multiplayer The unit can now be operated as a crew. Run the control room together with other players instead of alone either by joining our official dedicated server or hosting your own co-op game! The multiplayer includes chat (ENTER/T), voice chat (V) and gestures (G). In-Game Feedback You can now send feedback, bug reports and suggestions dir…In-game event15 Jul 2026WEEKLY UPDATE #5Command Console & ConVar System This update introduces a full console and configuration system in the style of Source-engine games like Counter-Strike. Press F1 to open the in-game command console, bind any command to any key, and tune the game through plain config files ( keys.cfg , autoexec.cfg ) in the game directory. Hundreds of fine-grained parameters are now exposed as convars — every com…In-game event6 Jun 2026WEEKLY UPDATE #4This update focuses on performance, usability, and stability. VRAM usgae has been reduced by approximately 75% through extensive texture optimizations, the user interface has been completely redesigned, and save management has been improved with support for non-destructive sub-saves. Numerous bugs have been fixed across Windows and macOS, several simulation systems have been corrected to better…