| 1.1.1.0 | download starts |
| 1.1.1.5 | common library was updated |
| 1.1.1.6 | fixed bug in long bookshelf name |
| 1.1.1.9 | expanded management window |
| 1.1.2.7 | common library was updated |
| 1.1.4.2 | modified window UI |
| 1.1.5.1 | common library was updated |
| 1.1.5.3 | fixed a bug in playing sound |
| 1.1.7.8 | common library was updated |
| 1.1.8.3 | Fixed a bug that might not close the Book window even if the ESCP key pushed |
| 1.2.1.8 | common library was updated |
| 1.2.2.1 | fixed a bug in page-flipping |
| 1.2.4.2 | common library was updated |
| 1.2.4.8 | abolished the online-update fonction |
| 1.2.4.9 | fixed a bug in user-registration |
| 1.2.5.3 | common library was updated |
| 2.0.0.0 | added bookmark function |
| 2.1.151 | common library was updated |
