The LibLime Koha 4.18.19 upgrade is scheduled for Monday, June 6, 2016 after 9 pm. Please review the 4.18.19 Release Notes for details on the upgrade.
No Koha staff client or LINKcat downtime is expected. SCLS staff will be checking the system after the scheduled upgrade. If you experience any unexpected problems with Koha after the upgrade, please report them as soon as possible using the SCLS Help Desk Portal, available from the Get Help page: http://www.scls.info/ils/help.html.