The Qlik February 2020 release has been delayed by a couple of weeks due to a security vulnerability that recently surfaced with Node.js, which is impacting a large portion of the software industry. The release is expected to be delivered before the end of the month, with a target date of February 25th, as Qlik is actively running tests to ensure that the February GA release is stable and not affected by this security malware. To read more about this vulnerability:
Within a multi-node site, one instance of the Qlik Sense Repository Service (QRS) runs on each node. The QRS running on the central node is considered to be the master. The master QRS load balances the central repository database.
You set up rules for the load balancing of Qlik Sense apps.