SchuWeb Sitemap 4.0.0 is a major release, which is only for Joomla! 4.
For Joomla! 3 you can stick with the 3.4.0 which can be found here.
- create own new package and exclude weblinks from main package
- create own new package and exclude zoo from mainpackage
- rename all plugins to without prefix "com_"
- add DPCalendar
- add Kunena v6 for J4
- Kunena restricted threads displayed for unauthorized
- Download SchuWeb Sitemap 4.0.0 Joomla 4
- Download plugin Kunena 4.0.0
- Download plugin Weblinks 4.0.0
- Download plugin Zoo 4.0.0
- Download plugin DPCalendar 4.0.0