documented server/installation/upgrading-to-new-version
fixes in server/installation/upgrading-to-new-version
partially documented server/administration/index-administration
documented server/administration/exporting-and-importing-data
documented server/administration/backup-and-restore
documented server/administration/statistics
updated packages and articles to match latest changes
documented server/configuration/authentication-and-authorization
documented server/configuration/configuration-options
documented server/scaling-out/replication-with-sharding
documented server/scaling-out/replication/how-replication-works
documented server/extending/plugins/analyzer-generators
documented server/extending/plugins/codecs.markdown
documented server/extending/plugins/compilation-extensions.markdown
documented server/extending/plugins/database-configuration.markdown
documented server/extending/plugins/tasks.markdown
documented server/extending/plugins/triggers.markdown
documented server/extending/plugins/what-are-plugins.markdown
documented server/extending/bundles/authorization
documented server/extending/bundles/cascade-delete
documented server/extending/bundles/compression
documented server/extending/bundles/encryption
added cleanup scripts
package fixes
documented server/extending/bundles/expiration
documented server/extending/bundles/periodic-export