What is meant by " Experimental support" for samba 4.5 schema 69?
Topic on Project:Support desk
Welcome on the support desk for MediaWiki, the software used to run wikis like Wikipedia!
You should ask that in the samba wiki at wiki.samba.org, where you found that information. Maybe the talk page of the according article https://wiki.samba.org/index.php/Talk:AD_Schema_Version_Support is a possibility...