- Corrected French and Spanish colour-name phrasing while preserving custom names.
- Fixed untranslated Campaign statuses, progress labels and reward captions.
- Corrected Library action labels, formatted headings, case counts and Preview captions.
- Improved localisation of timer statistics and live guidance.
- Adjusted long Campaign titles and Practice explanations to fit their layouts.
- Reduced unnecessary processing while learning panels are hidden.
- Improved keyboard and controller input handling across gameplay modes.
- Preserved existing save formats, colour identities and shared cube-state behaviour.
- Added regression tests and verified standalone rendering on Windows and Linux.
Known verification limits: Translations would still benefit from fluent-speaker review, and some smart-cube capabilities require physical testing. Linux audio and Steam validation, along with intermittent font-rendering issues after extended language switching, remain follow-up items.