| Date | Notes |
| 21 August, 2004 | Initial publication |
| 20 Feburary, 2005 | Improved back-end XML to help maintain parallel versions of systems from common source-code. Added ability to generate monolithic PDF using HTMLDOC. Clarifications and corrections to relay structures, including clarification of zooming treatments, and end signal treatments, and advanced one-suited relay structures. Added notes on competition in variable-captaincy relays. |
| 21 Feburary, 2005 | Improved notes on competition after major suit openings (and added notes for 1S competition). Updated weak two-level openings. |
| 22 February, 2005 | Improved Other Agreements section, in particular added Kickback treatments and Swedish defence to Multi 2D. |
| 23 February, 2005 | Corrected description of 1NT opening. Corrected typo in 1NT and 2NT opening in Preliminaries. Added missing treatment of 1S 3D. |