Upgrading Sudoku Dragon

Sudoku Dragon is designed to be easy to upgrade, you do not need to re-install the product in order to upgrade it. You can update the product by using the Sudoku Dragon Update Check... command from the Help menu. During the initial trial all updates are free.

Use the Update Check... option from the Help menu in Sudoku Dragon to compare the installed version against those available on our web site and indicates which (if any) is the most up-to-date compatible version to download. Download and installation occurs within the Sudoku Dragon program itself.

On rare occasions it will be necessary to re-install and re-configure the software if a very old version is in use. Note that an update does not affect your Sudoku Dragon license in any way, a trial license is not extended or renewed. The puzzle file format may sometimes need to be enhanced, generally all puzzles can be handled in the most up-to-date version, if you have an old version of the program you may not be able to load newly generated puzzle files.

Releases

Version	Contents	Release Date
44	Enhancments and fixes	19th January 2021
43	License fix	5th January 2021
42	Various enhancements	26th April 2019
41	Library fix	8th August 2017
40	License fix	8th January 2016
39	A few bug fixes	1st September 2014
38	Chinese Sudoku and Hint enhancements	19th August 2014
37	Hint display fix	26th November 2013
36	Possibility analysis bug fix	22nd November 2013
35	Enhanced interface	20th May 2013
34	Library code update	29th May 2012
33	Fix for Samurai load bug	12th August 2011
32	Support for Samurai version. New possibility display and hint options	20th July 2011
31	Pick up assorted library fixes	27th April 2011
30	Fix for some manually entered puzzles	6th December 2010
29	Trial license update	23rd July 2010
28	Theme fix for Vista and Windows 7, digital signatures	22nd December 2009
27	Faster generation and bug fixes	13th November 2009
26	Fix to upload of puzzle to contribute to web site	10th August 2009
25	Major upgrade with many new features	30th July 2009
24	Licensing update	19th July 2009
23	Licensing update	30th April 2008
22	Support for Windows Vista	26th June 2007
21	A few bug fixes and tidy ups	1st May 2007
20	Highlighting of number of squares left to be filled in for each number	13th March 2007
19	Possibilities and impossibilities; new theme; new possibility setting command	9th February 2007
18	New grid sizes, advanced hint analysis, new possibility options	10th December 2006
17	Updated licensing, new theme, affected possibilities display option	12th October 2006
16	Updated licensing, new theme, zoom menu command	23rd February 2006
15	New analysis algorithm; extra tutorials	2nd January 2006
14	Display themes; Mouse wheel	28th November 2005
13	Stripe inclusion; Hexadecimal big grid; highlight last allocation	1st November 2005
12	ALT+number for possibilities bar; independent help window	10th October 2005
11	Tentative possibilities clear and set; upload contribution enhancement	28th September 2005
10	Possibilities toolbar; symmetric reveal pattern; upload contribution support	20th September 2005
9	Tutorials; tips and game file management
8	Multi-level puzzle difficulty generation; Square annotations
7	Full print support options; Download puzzle management
6	Full integrated help system	22nd July 2005

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