| Title | Started by | Date created | Latest post | Posts |
| Final test phase, submission of results, ranking - guidelines [challenge ends July 17, 23:59 UTC] | Radu | Jul 11, 2020 | 4 years, 4 months | 1 |
| Maximum Submissions (per User): increased to 30 (for validation) | Radu | Jun 26, 2020 | 4 years, 4 months | 1 |
| Training Dataset | sabarinathan | May 20, 2020 | 4 years, 6 months | 3 |