| 2024-04-18 00:51:51 | Procyon | Updated Procyon as organiser of Revision 2024: changed role to Compo Team |
| 2024-03-23 08:18:50 | Brittle | Added Procyon as organiser of Revision 2024 |
| 2024-02-20 22:24:53 | Shana | Updated Procyon as organiser of MountainBytes 2024: changed role to Compo Lead |
| 2024-02-08 16:57:52 | Shana | Added Procyon as organiser of MountainBytes 2024 |
| 2023-04-14 10:07:23 | Procyon | Updated Procyon as organiser of Revision 2023: changed role to Compo Team |
| 2023-04-02 20:31:25 | Brittle | Added Procyon as organiser of Revision 2023 |
| 2023-02-15 17:01:00 | Shana | Added Procyon as organiser of MountainBytes 2023 |
| 2023-01-21 13:49:19 | menace | Added link https://web.archive.org/web/20221006211207/http://demoscene.hu/users.php?target=details&id=104 |
| 2021-02-21 19:04:43 | 100bit | Added link https://www.pouet.net/user.php?who=3199 |
| 2020-06-20 19:52:51 | 100bit | Added credit for Procyon on ÜD20: Code |
| 2017-07-09 09:18:42 | Gargaj | Added credit for Procyon on Skrätzh: Code |
| 2017-07-09 09:17:51 | Gargaj | Added credit for Procyon on Fläsh: Code |
| 2017-06-30 22:14:54 | Gargaj | Added credit for Procyon on Perec: Code |
| 2017-06-02 01:17:26 | Gargaj | Added credit for Procyon on YouDie: Code |
| 2017-03-15 10:58:21 | FlashyLamer | Added credit for Procyon on Kräsh: Code (Add.) |
| 2013-08-26 01:16:17 | dipswitch | Added link http://procyon.umlaut.hu/ |
| 2013-08-26 01:16:15 | dipswitch | Set location to Hungary |
| 2013-04-05 19:00:06 | menace | Added Procyon as a member of Ümlaüt Design |