| Phase | Date | Memo | 
|---|---|---|
| Ver 1.00 | 2001-01-14 | 
 | 
| Ver 1.10 | 2001-01-16 | 
 | 
| Ver 1.20 | 2001-01-22 | 
 | 
| Ver 1.30 | 2001-03-19 | 
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| Ver 1.40 | 2001-04-09 | |
| Ver 2.00β | 2001-04-14 | 
 | 
| Ver 2.10β | 2001-04-19 | 
 | 
| Ver 2.20 | 2001-04-19 | 
 | 
| Ver 2.21 | 2001-05-31 | 
 | 
| 2004-06-12 | 
 |