Why there aren't updates since the 24th april?

1

https://f-droid.org/wiki/index.php?title=Special:RecentChanges&days=7&from=&hidebots=0&hideanons=1&hideliu=1&limit=500

2

The apps built on Apr 24 were published today, a new cycle should start “soon”.

F-Droid is not a CI, there are humans involved it almost every step.