| Title | Started by | Date created | Latest post | Posts |
| can not submit to validation phase | tongtong | Jul 12, 2020 | 3 years, 9 months | 3 |
| Final test phase, submission of results, ranking - guidelines [challenge ends July 17, 23:59 UTC] | Radu | Jul 11, 2020 | 3 years, 9 months | 1 |
| Maximum Submissions (per User): increased to 30 (for validation) | Radu | Jun 26, 2020 | 3 years, 9 months | 1 |
| result submission | sabarinathan | May 17, 2020 | 3 years, 11 months | 3 |
| error with submission | sabarinathan | May 17, 2020 | 3 years, 11 months | 2 |