Overview of changes in gnome-calculator 3.23.1
    * Migrate to GtkGrid from deprecated GtkTable API bgo#767394 (Niels de Graef)
    * Use localized window title bgo#768432 (Ron Yorston)
    * Preferences dialog update bgo#746599 (Robert Roth)
    * Add option to start window in mode bgo#748135 (Moo)
    * Fix help typo bgo#748894 (lunchboxav)
    * Fix reusing items from history bgo#766155 (Antonio Ospite)
    * Use MPC for complex numbers bgo#759439 (Philip Wood)
    * Fix bit panel and base label when base has changed bgo#732685 (Antonio Ospite)
    * Ctrl+Backspace should delete only the last number bgo#725114 (Robert Roth)
    * Use Actions for buttons bgo#771635 (Niels de Graef)
    * Add round, floor, ceil, sgn to docs bgo#748895 (Robert Roth)
    * Rename Pound Sterling to British Pound Sterling bgo#664366 (Robert Roth)
    * Fix possible errors on currency conversion bgo#750672 (Robert Roth)
    * Add new window appmenu entry bgo#724478 (Robert Roth)
    * [l10n] update German translations (Flo H)
    * Fix markup error in about bgo#772990 (Robert Roth)
    * Add accels for changing mode bgo#740503 (Robert Roth)
    * History view styling bgo#743499 (Niels de Graef, Robert Roth)
    * Window layout fixes bgo#743538 (Robert Roth)
    * Remov unnecessary scrolledwindow bgo#768656 (Robert Roth)
    * Add keyboard shortcuts window bgo#772735 (Robert Roth)
    * Fix first expression with parentheses bgo#700617 (Robert Roth)
    * Add shortcut to close current window bgo#755398 (Robert Roth)
    * Fix conversion unit change  bgo#748732 (Robert Roth)
    * Fixed conversion user interface for LTR bgo#711587 (Robert Roth)