Translated from Polish:
- Special events will occur every two days, on weekends more often.
- The level of happiness and houses is now displayed in easier to read way at the top of the game screen.
- Decorations were rebalanced, now more expensive ones give you more.
- Remove bug with not adding gifts from friends and need to refresh the game.
- Improve the functioning of market.
- Removal of errors associated with bad value of happiness and houses.
- Remove many reasons of oops.
- Remove the bug with bad display of boxes’ image.
- Removal of many other errors that occur on some computers.
Source: http://nk.pl/#grupy/283768/forum/345#post3 (Polish).