Settings → Localization has a new, clearer look: the settings are grouped in four cards (language and time zone, dates and calendar, money, exchange rates), each with a short line of help, and a live preview shows how a date, a time and an amount will look before you save.
Settings → Localization: the time format, the currency position, the decimal separator and the number of decimals are now one-tap buttons, and weekend days are picked by tapping the days of the week.