https://blogvault.net/wordpress-staging-feature-announcement/
You asked, and we listened.
Six months ago, we started working on something that a lot of you have been asking for!
Today, we are excited to officially release the much-awaited Staging feature on BlogVault. Were you hesitating to try out that interesting looking new update or plugin? Scared of crashing your website?
BlogVault
Source: Security Feed