New feature: It is now possible to export the current Sudoku game as an HTML-Page using the menu item "File|Export as HTML".
New feature: New option to clear all manually entered candidates ("Problem|Clear Candidates").
New feature: Some layout changes.
New feature: The constrast of the "X" in the printout of X-Sudokus wasn't (at least for several printers) bright enough. Therefore, a new option has been introduced to adjust the constrast of the "X" in the printout of X-Sudokus.
Corrected Bug: The build date in the About-Box wasn't correct. This has been fixed.
New Feature: Cells which contain an invalid value are marked with a red exclamation mark and an appropriate error message.
Corrected Bug: If the user enters an invalid value in a cell and then clicks into another cell, the application crashed. This has been fixed.