The feature is called "Minimal Installation" and it's an option that will be available for those who need it on the "Preparing to install Ubuntu" screen of Ubuntu's installer, right after you select the keyboard layout. As you can imagine, the option is disabled by default. Enabling it will install Ubuntu with a minimal desktop environment consisting of a web browser and the standard utilities, at least that's what option's description tells us. So we took it for a test drive and installed the current development version of Ubuntu 18.04 LTS with the Minimal Installation option on a VM.
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