The following map was updated once, then another time after about 15 minutes, first time it updated the TMX leaderboard to new version, but 2nd time it didn't update the leaderboard on TMX
[track=short]https://trackmania.exchange/maps/96839/1k[/track]

The records on updated map that last got added to server (via the TMX Map ID):



The current records on TMX:



Edit: updating the map once more fixed it

Happened on another map that i saw today, but figured out that updating map details fixes the leaderboard. If you only update the map file, the leaderboard doesn't update.