| 2025-11-06 06:41:01 | menace | Updated JHL's membership of Komplex: set as ex-member |
| 2025-11-06 06:40:57 | menace | Updated JHL's membership of Anthrox: set as ex-member |
| 2025-11-06 06:40:53 | menace | Updated JHL's membership of TBB Productions: set as ex-member |
| 2025-11-06 06:40:43 | menace | Updated JHL's membership of Alpha Flight: set as ex-member |
| 2025-10-04 09:13:24 | menace | Updated JHL's credit on Do! Run Run: Code (intro, trainer), Text |
| 2025-09-22 19:56:12 | dipswitch | Added credit for JHL on SF-Top March 1994: Text (Editor) |
| 2024-06-20 05:53:23 | menace | Edited notes |
| 2021-07-25 06:46:56 | dipswitch | Added credit for JHL on DFItF V1.05: Code |
| 2021-03-18 19:40:58 | curtcool | Added credit for JHL on ?: Code |
| 2021-02-24 10:38:54 | menace | Edited notes |
| 2021-02-24 10:38:43 | menace | Set location to Oulu, North Ostrobothnia, Finland |
| 2021-02-24 10:38:36 | menace | Added JHL as staff member of Zenlandia |
| 2019-02-02 08:43:49 | menace | Added JHL as a member of Anthrox |
| 2018-03-10 21:34:06 | menace | Added credit for JHL on Powermonger World War 1: Code |
| 2017-03-05 09:06:21 | menace | Added link http://janeway.exotica.org.uk/author.php?id=17926 |
| 2017-03-05 09:04:00 | menace | Edited notes |
| 2017-03-05 09:03:08 | menace | Added JHL as a member of TBB Productions |
| 2017-03-05 09:03:01 | menace | Added credit for JHL on Huunous: Code |
| 2016-07-11 07:46:04 | menace | Added credit for JHL on Bad Vibes: Code |
| 2015-08-11 21:52:19 | menace | Added credit for JHL on Huukkers: Code |
| 2014-06-13 21:21:43 | menace | Added JHL as a member of Surprise! Productions |
| 2012-11-30 07:33:22 | menace | Edited notes |
| 2012-11-30 07:33:14 | menace | Added JHL as a member of Komplex |
| 2012-11-30 07:32:49 | menace | Added JHL as a member of Alpha Flight |
| 2012-11-30 07:32:44 | menace | Edited notes |
| 2012-11-30 07:32:13 | menace | Edited notes |