Koha How-To
This is a new System Preference called : blockreturnoflostitems allowing the library to choose whether to block the item that was marked lost as being allowed to be returned.
There is a new feature in Koha 17.11 that allows branches within a multi-branch system or consortium to add their specific Marc Organization Code to their records as they catalog.
There are a few new changes/enhancements to the Lists Function with the release of Koha 17.11.
With the 17.11 version of Koha, there is a new system preference that will allow libraries to require strong passwords. This password would need to have 1 uppercase, 1 lowercase and 1 number.