Special Tips for Date Fields
When you enter a year using two digits, the corresponding four digit value is determined by a setting in Collabora Office - PreferencesTools - Options - Collabora Office - General. For example, if 1935 is set as the lower limiting value and you enter 34 as a date value, then the result is 2034 instead of 1934.
The pre-set limit value will be saved for each document.