It looks like Nintendo have finished testing every game.
Summary:
| category | count | percentage |
|---|---|---|
| cannot be used | 6 | ≈ 0.04% |
| issues that prevent progress or startup issues | 162 | ≈ 1.07% |
| issues that have been resolved, or are planned to be | 185 | ≈ 1.22% |
| require JoyCon 1 | 10 | ≈ 0.07% |
| no known issues | ≈ 14759 | ≈ 97.60% |
| total | ≈15122 | 100% |
They haven’t put every game that doesn’t work there. Crypt of the Necrodancer is unplayable right now, doesn’t pass initial loading.