| 2025-11-08 21:38:21 | dipswitch | Added BBS Lost In Time as HQ for Abstract Concepts |
| 2025-11-08 17:38:43 | dipswitch | Added BBS The Turrahan Relm as HQ for Abstract Concepts |
| 2025-06-11 12:25:58 | dipswitch | Added BBS Digital Forces as HQ for Abstract Concepts |
| 2025-05-11 12:07:58 | dipswitch | Edited notes |
| 2025-03-25 13:23:30 | dipswitch | Added BBS Mindwarp as Distsite for Abstract Concepts |
| 2022-07-14 23:37:11 | dipswitch | Updated Abstract Concepts's affiliation with Tetsuo: changed role to HQ |
| 2021-09-07 23:04:10 | exocet | Edited notes |
| 2021-09-07 23:02:31 | exocet | Added pyREX as a member of Abstract Concepts |
| 2021-04-16 16:06:33 | vitalkanev | Added BBS Tetsuo as Distsite for Abstract Concepts |
| 2019-09-16 14:09:08 | ltk_tscc | Updated link https://www.pouet.net/groups.php?which=889 |
| 2019-09-16 14:09:00 | ltk_tscc | Added link Abstract Concepts |
| 2012-08-01 12:12:46 | langhuxley | Deleted Abstract Concepts's credit on Expression |
| 2012-08-01 12:12:26 | langhuxley | Added Spoetnik as a member of Abstract Concepts |
| 2012-08-01 12:11:30 | langhuxley | Added credit for Abstract Concepts on Expression: Code, Music |
| 2012-08-01 12:10:45 | langhuxley | Updated Simm's membership of Abstract Concepts: changed group to Abstract Concepts, set as ex-member |
| 2012-08-01 12:10:38 | langhuxley | Added Simm as a member of Abstract Concepts |