Sensu docs digest for June 2021

Welcome to the June docs digest! This month, we have another release with something for everyone. Sensu Go 6.4.0 includes a new wait flag for the sensu-backend init command (handy for Kubernetes users who want to bootstrap new Sensu clusters with external etcd), as well as upgrades for Go and embedded etcd to improve stability and security. The web UI now includes license expiration in the system information modal, page-specific configuration options, and a custom sign-in message attribute. The 6.4.0 release also delivers bug fixes for PostgresConfig resources, keepalive statuses after agent shutdown, and deregistration event validation.

:star2: New and updated content in June

:1st_place_medal: Most popular docs in June

:ship: June releases

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