Like :
-Hoist and lower sails
-Loading rowboats and sailboats into boats larger than sailboats ( i think hitch boat to biger one using rope can work)
-Animals on board.
and :
- Walking mode on ship deck.
- Storm weather if boat not moored it take some damage saling speed like in gale or faster.
- Ships wood type textures 8)
- Drink option when clicking on ship
- White sails when painted (Option you can set in manage)
- Bear cant kill you on big boats ...or just wont attack you if dont start a fight.
- Compass working on boat. (some option like lock in doors? build intro boat)
- Flag on top of mast. (Options u can pick)
- if not moored it sails slow in wind direction.