| Title | Started by | Date created | Latest post | Posts |
| When is the correct date of competition end? | harutaro | Jan 17, 2022 | 2 years, 3 months | 4 |
| How to check whether the contestants have successfully formed a team | Pcalab-KMG | Jan 09, 2022 | 2 years, 3 months | 2 |
| Question about team merge? | fuxictr | Dec 27, 2021 | 2 years, 4 months | 1 |
| [Action Required] Important updates about code submission | xmrec | Dec 26, 2021 | 2 years, 4 months | 1 |
| Why are there some user-item interactions in the train_5core but not in the train? | dhy | Dec 23, 2021 | 2 years, 4 months | 2 |
| [Action Required] Team Registration Form | xmrec | Dec 09, 2021 | 2 years, 4 months | 6 |
| Issues with the competition server | xmrec | Nov 28, 2021 | 2 years, 4 months | 5 |
| IMPORTANT ANNOUNCEMENT: Change of Codalab server | xmrec | Nov 18, 2021 | 2 years, 5 months | 1 |