On March 18, 2025, new updates for 2.5 and 2.6 were released to the Symas OpenLDAP repository. One change for both of these dash releases is :
ITS-10307 Regression when searching for nonexistent entries and no access to DB
Full change list for 2.5.19-2 can be found here.
Full change list for 2.6.9-2 can be found here.
The Symas OpenLDAP software repository can be found here.