| 19 March 2006 | Version 3 | Colour and coordinates in interface |
| 10 March 2006 | Version 4 | User preferences |
| 08 March 2006 | Version 5 | Cordinates (a-h, 1-8) |
| 06 March 2006 | Version 6 | Semi transparent arrows |
| 01 April 2006 | Version 7 | Save HTM file (colour diagram) |
| 20 March 2007 | Version 8 | CUSTOM size option for BMP |
| 20 March 2007 | Version 9 | Better File Save/Load Interface |
| 20 May 2007 | Version 10 | Virtual Clipboard |
| 28 May 2007 | Version 11 | Check if position is legal |
| 28 May 2007 | Version 12 | Standard File Browser Interface |
| 1 | Save/Read positions in FEN and EPD |
| 2 | Play through games in PGN |
| 3 | Javascript to display PGN files on a web page |
ChessDiagrams and its future developments will always be 100% freeware.
If you wish to see a new feature added, please contact me.