"persistent handles" and "continuous availability" are not listed in the list of new options in WHATSNEW. Also the feature description mentions a parameter "smb3 stent handles". The "smb3" is not part of the option name though. This needs to get fixed for the final 4.25.0 release.
Created attachment 19205 [details] Patch for 4.25
This bug was referenced in samba v4-25-test: fc3f65f458a2bafb30a61f15eeb7a04cbdee2466
This bug was referenced in samba v4-25-stable (Release samba-4.25.0): fc3f65f458a2bafb30a61f15eeb7a04cbdee2466