[SOLVED] Update to 5.0.0 with Joomla update tool failed

Joomla show the availabilty of update to JEM 5.0.0.
Environment: Joomla Joomla! 5.4.6 Stable with PHP 8.4.23 / JEM 4.4.2
In addition the JEM update function show update server not available. 

Update failed with the following message:
 
 

It's working..... It's possible that the XML file was outdated before the update.

 

Now the update did work and 5.0.0 is online.