Sudoku Help - Changes in this version

Here's a page from the extensive help system for Sudoku Dragon. It is available as a help screen when running the program. To get the full picture Download our Sudoku Dragon and see the screen in its context.

We now offer an alternative product only available for download from Microsoft Store. This shares many features but not all of them. For documentation of the SudokuDragon for Store version see its separate help section.

This page lists all the new features, enhancements and fixes since the last released version. For a full list of updates and current version information please visit our web site Upgrade page. To check for an update use the Help | Update Check command.

Version 5.6, Oct 2022.

The following fixes have been applied:

Fix for installation interference by virus checking software
Take out dependency on MFC80.DLL from installer
Installer Help button did not show help - gave error message
Multiple squares can be selected by CTRL+mouse drag rather than CTRL+click on each square
Improved naming of puzzle elements in appearance editing
Support Q,W,E,R,T,Y as alternative keys for marking colors of squares
If change a tentative possibility that is not currently shown flash the square
Extend allocation counts by an extra square on possibility bar
Support CTRL-Y as alternate for redoing previous allocation
Change the 'abstract symbols' so they do not display surrounding boxes
The puzzle complete sound could not be customized
Improve display of possibility toolbar by removing anti-aliasing artifacts
Can allocate a square by mouse dragging an allocated square to an unallocated one
If select multiple squares changing the tentative possibilities cleared the multiple selection
The '=' key now temporarily highlights all the squares relating to it - column, row, region, diagonal
If a 'blank' puzzle was created it may have 'inherited' the symbols used in the previous puzzle.
Update help and tutorials for new features.
For puzzles of over size 9. the CTRL+ALT+0 and CTRL+ALT+SHFT+A..F did not function.
Use a cross-hatch selection background for selected squares than have been marked with a color.
If select multiple squares with different tentative possibilities use a clearer indicator of 'indeterminate' state on the checkboxes in possibilities panel.