1# $OpenLDAP$ 2# Copyright 2007-2021 The OpenLDAP Foundation, All Rights Reserved. 3# COPYING RESTRICTIONS APPLY, see COPYRIGHT. 4 5H1: Changes Since Previous Release 6 7The following sections attempt to summarize the new features and changes in OpenLDAP 8software since the 2.4.x release and the OpenLDAP Admin Guide. 9 10H2: New Guide Sections 11 12In order to make the Admin Guide more thorough and cover the majority of questions 13asked on the OpenLDAP mailing lists and scenarios discussed there, we have added the following new sections: 14 15* {{SECT:When should I use LDAP?}} 16* {{SECT:When should I not use LDAP?}} 17* {{SECT:LDAP vs RDBMS}} 18* {{SECT:Access Control}} 19* {{SECT:Backends}} 20* {{SECT:Overlays}} 21* {{SECT:Replication}} 22* {{SECT:Maintenance}} 23* {{SECT:Monitoring}} 24* {{SECT:Tuning}} 25* {{SECT:Troubleshooting}} 26* {{SECT:Changes Since Previous Release}} 27* {{SECT:Upgrading from 2.4.x}} 28* {{SECT:Common errors encountered when using OpenLDAP Software}} 29* {{SECT:Recommended OpenLDAP Software Dependency Versions}} 30* {{SECT:Real World OpenLDAP Deployments and Examples}} 31* {{SECT:OpenLDAP Software Contributions}} 32* {{SECT:Configuration File Examples}} 33* {{SECT:LDAP Result Codes}} 34* {{SECT:Glossary}} 35 36Also, the table of contents is now 3 levels deep to ease navigation. 37 38 39H2: New Features and Enhancements in 2.5 40 41H3: Better {{B:cn=config}} functionality 42 43H3: Better {{B:cn=schema}} functionality 44 45H3: More sophisticated Syncrepl configurations 46 47H3: Replicating {{slapd}} Configuration (syncrepl and {{B:cn=config}}) 48 49H3: More extensive TLS configuration control 50 51H3: Performance enhancements 52 53H3: New overlays 54 55H3: New features in existing Overlays 56 57H3: New features in slapd 58 59H3: New features in libldap 60 61H3: New clients, tools and tool enhancements 62 63H3: New build options 64 65H2: Obsolete Features Removed From 2.5 66 67These features were strongly deprecated in 2.4 and removed in 2.5. 68 69H3: back-bdb and back-hdb 70 71back-bdb and back-hdb were significantly slower than back-mdb and 72required significant tuning of multiple parameters to maximize 73performance. back-mdb requires no tuning and provides all the 74functionality previously provided via back-bdb and back-hdb. 75