For more information see here Bug Report Template Build: 1.12.1 4742 Mode: ALL MODE Platform: Steam DLC Installed: NONE Reproducibility: Always Severity: High (affects core UI interaction and OS behavior) Type: UI/Input Conflict Summary: Default hotkey Ctrl+Shift+1..8 causes OS-level keyboard layout switch (EN/UK/RU/DE), interfering with game control and breaking text input. Description: In the current version, pressing Ctrl+Shift+1..8 toggles Device Groups in the structure’s Control Panel. However, Ctrl+Shift is a reserved system shortcut in Windows that switches keyboard layout for users with EN/UK/RU/DE configurations. This leads to: Unintentional layout switching while playing; Disruption in chat, console, text input; No in-game option to rebind or disable this shortcut; Constant OS interference with normal gameplay. I had already reported this problem before these hotkeys were introduced into the game, but unfortunately my feedback was ignored. This breaks UX standards and violates official Microsoft guidelines on keyboard input: https://learn.microsoft.com/en-us/windows/apps/design/input/keyboard-interactions Steps to Reproduce: 1) Start the game with Windows system having 2+ keyboard layouts (e.g., EN/UK); 2) Enter any structure, open Control Panel → Device Groups; 3) Press Ctrl+Shift+1, Ctrl+Shift+2, etc.; 4) Observe: system layout switches, interfering with input. Screenshots, Crash Logs, any other Relevant Information or Download links: N/A – visual evidence not applicable, behavior is systemic.