| Date | Version – Release | BibTeX | File |
|---|---|---|---|
| 2024/06/17 | 1.7 – 0 | olb17 | olb_ug-1.7r0.pdf |
| 2023/06/01 | 1.6 – 0 | olb16 | olb_ug-1.6r0.pdf |
| 2022/04/14 | 1.5 – 0 | olb_ug-1.5r0.pdf | |
| 2020/12/10 | 1.4 – 0 | olb_ug-1.4r0.pdf | |
| 2019/05/29 | 1.3 – 0 | olb_ug-1.3r0.pdf | |
| 2018/04/11 | 1.2 – 0 | olb_ug-1.2r0.pdf | |
| 2017/05/08 | 1.1 – 0 | olb_ug-1.1r0.pdf | |
| 2016/03/10 | 1.0 – 0 | olb_ug-1.0r0.pdf | |
| 2015/03/11 | 0.9 – 0 | olb_ug-0.9r0.pdf | |
| 2013/12/11 | 0.8 – 0 | olb_ug-0.8r0.pdf | |
| 2012/02/02 | 0.7 – 0 | olb_ug-0.7r0.pdf | |
| 2008/05/14 | 0.5 – 0 | olb_ug-0.5r0.pdf | |
| 2008/03/28 | 0.4 – 3 | olb_ug-0.4r3.pdf | |
| 2008/03/01 | 0.4 – 2 | olb_ug-0.4r2.pdf | |
| 2008/01/01 | 0.4 – 0 | olb_ug-0.4r0.pdf |