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Steam News8 April 20262mo ago

WEEKLY UPDATE #1

Bug Fixes Fixed incorrect highlight on unused indicators in the ARM task step Fixed being unable to insert 5 or more USP rods simultaneously Fixed VU-2 sub-programs failing to start Fixed a visual bug where restarting a

Full notes

Full Chernobyl: Simulator update

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

What changed

29 fixes5 additions4 changes1 removal
  • Fixes
  • UI and audio
  • Gameplay
fixedFixed incorrect highlight on unused indicators in the ARM task step
fixedFixed being unable to insert 5 or more USP rods simultaneously
fixedFixed VU-2 sub-programs failing to start
fixedFixed a visual bug where restarting a sub-program on VU-2 multiple times would not light lamp correctly
fixedFixed automatic rods (AR) getting blocked during AZ-3 due to high imbalance — attenuation logic corrected
fixedFixed buttons being interactable through solid objects

Bug Fixes

  • Fixed incorrect highlight on unused indicators in the ARM task step

  • Fixed being unable to insert 5 or more USP rods simultaneously

  • Fixed VU-2 sub-programs failing to start

  • Fixed a visual bug where restarting a sub-program on VU-2 multiple times would not light lamp correctly

  • Fixed automatic rods (AR) getting blocked during AZ-3 due to high imbalance — attenuation logic corrected

  • Fixed buttons being interactable through solid objects

  • Fixed ISP (ИСП) alarms triggering on incorrect signals

  • Fixed several tasks that lacked sufficient clarity

  • Fixed execution logic not being enabled by default for each AR

  • Fixed the AR Corrector indicator scale being incorrect in the positive range

  • Fixed a typo (ВКЛ, not БКЛ)

  • Removed 2 redundant mnemonics from the VIUB panel

  • Fixed the SUZ Emergency signal not being clearable via the Remove Signal button

  • Fixed negative imbalance (Y3M) not triggering the НЕДОП РАЗБ signal as intended

  • Fixed Power Protection Y3M using an incorrect equation for PS/AZ protection triggers

  • Fixed Local Power Protection (LAZ) using an incorrect equation for PS/AZ protection triggers

  • Fixed LAZ warning and emergency alarms firing while LAZ is disabled

  • Fixed incorrect label text on the СБРОС СБ button

  • Fixed reactor rods starting in a desynced state when launching at full power

  • Fixed measurement logic — added a 2-second delay before blocking

  • Fixed response animation on selsyns

  • Fixed various tooltip text errors

  • Adjusted YCM trigger voltage to 4V in line with the ChNPP training manual

  • Adjusted Corrector KpY.4 trigger voltage to 8V in line with the ChNPP training manual

  • Fixed LAR corrector toggle switch audio

  • Fixed AZSR malfunction alarm light up when power is removed

  • Fixed ISS malfunction alarm light up when power is removed

  • Fixed disabling AZMM should disable ISS and UZS probes and their alarms

  • Fixed disabling AZMM should switch UZS to UZSR

  • Fixed disabling ISS probes should disable readings on their value indicators

  • Fixed AZMM is required for ARM to be "in ready" state

  • Fixed LAZ automatic lowering when all odd or even zones are in -ΔN

Improvements

  • Clicking a selected rod now deselects it

  • Added ±0.1 m/s of randomness to rod movement for more realistic behavior

  • Added a [Sync] button for each AR to synchronize rod positions with one another

  • Implemented the ИСП ЧАСТ (execution part) signal, which triggers when 2 or more rods become desynchronized

  • KUA alarms now activate when the corrector reaches its lower or upper limit

  • Added subtle light variation effects to alarm indicators

  • Added click audio feedback for VU buttons

  • Expanded SKALA numerical and printer outputs to include temperature, pressure, water flow, thermal power, and more

New SKALA VU-1 Codes

  • K0[ANY]0000 — outputs the sum value of the entire core to the numerical display/printer

  • K1[ANY]0000 — same, but for the left side of the core only

  • K2[ANY]0000 — same, but for the right side of the core only

  • K0[ANY]YYXX — displays a single value for a specified channel number

Hint:

SKALA output devices are updated every 10 seconds.

Use K0N0000 to see reactor thermal power on numerical display in digital form.

If you experience any issues you can switch to last-update branch

Source

Steam News / 8 April 2026

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