BioHabit 4.0 — The Polish Update 10 improvements that make the app feel alive: ∙ Smooth onboarding — the logo flies between screens instead of hard-cutting ∙ Illustrated empty states — layered SF Symbol art instead of blank placeholders ∙ Completion animations — scale pulse, glow flash, and particle burst when you tick a habit ∙ Skeleton loading — shimmer placeholders while your data loads ∙ Sound design — distinct tones for completions, level-ups, the focus timer, and more ∙ Streak at risk alerts — pulsing red banner after 6 PM if a streak is in danger ∙ Focus Mode — full-screen Pomodoro timer for time-based habits with auto-logging ∙ XP History — every XP event timestamped and browsable in the Performance tab ∙ Custom repeat patterns — Every Day, Weekdays, Weekends, Every Other Day, or fully Custom ∙ Haptic choreography — five distinct physical feedback sequences, one for every major action​​​​​​​​​​​​​​​​