docs: add limitations related to downlit
#2474
| Job | Run time |
|---|---|
| 16s | |
| 2s | |
| 6m 32s | |
| 15m 48s | |
| 8m 38s | |
| 14m 39s | |
| 7m 27s | |
| 7m 13s | |
| 12m 9s | |
| 6m 51s | |
| 14m 45s | |
| 13m 21s | |
| 7m 3s | |
| 8m 15s | |
| 8m 48s | |
| 10m 59s | |
| 13m 49s | |
| 13m 9s | |
| 7m 18s | |
| 14m 57s | |
| 8m 5s | |
| 6m 52s | |
| 8m 4s | |
| 18m 36s | |
| 12m 50s | |
| 17m 55s | |
| 8m 53s | |
| 16m 3s | |
| 6m 36s | |
| 14m 54s | |
| 7m 18s | |
| 8m 19s | |
| 12m 48s | |
| 13m 7s | |
| 8m 48s | |
| 12m 43s | |
| 7m 45s | |
| 14m 19s | |
| 8m 25s | |
| 17m 20s | |
| 8m 6s | |
| 16m 41s | |
| 7h 26m 26s |