Answers for "bootstrap 4 show only on desktop"

display sm none

Hidden on all	.d-none
Hidden only on xs	.d-none .d-sm-block
Hidden only on sm	.d-sm-none .d-md-block
Hidden only on md	.d-md-none .d-lg-block
Hidden only on lg	.d-lg-none .d-xl-block
Hidden only on xl	.d-xl-none
Visible on all	.d-block
Visible only on xs	.d-block .d-sm-none
Visible only on sm	.d-none .d-sm-block .d-md-none
Visible only on md	.d-none .d-md-block .d-lg-none
Visible only on lg	.d-none .d-lg-block .d-xl-none
Visible only on xl	.d-none .d-xl-block

display sm none

.d-none
Hidden only on xs	.d-none .d-sm-block

bootstrap display none on desktop

New visible classes added to Bootstrap

Extra small devices Phones (<768px) (Class names : .visible-xs-block, hidden-xs)

Small devices Tablets (≥768px) (Class names : .visible-sm-block, hidden-sm)

Medium devices Desktops (≥992px) (Class names : .visible-md-block, hidden-md)

Large devices Desktops (≥1200px) (Class names : .visible-lg-block, hidden-lg)



New visible classes added to Bootstrap
Extra small devices Phones (<768px) (Class names : .visible-xs-block, hidden-xs)

Small devices Tablets (≥768px) (Class names : .visible-sm-block, hidden-sm)

Medium devices Desktops (≥992px) (Class names : .visible-md-block, hidden-md)

Large devices Desktops (≥1200px) (Class names : .visible-lg-block, hidden-lg)

For more information : http://getbootstrap.com/css/#responsive-utilities
Below is deprecated as of v3.2.0

Extra small devices Phones (<768px) (Class names : .visible-xs, hidden-xs)

Small devices Tablets (≥768px) (Class names : .visible-sm, hidden-sm)

Medium devices Desktops (≥992px) (Class names : .visible-md, hidden-md)

Large devices Desktops (≥1200px) (Class names : .visible-lg, hidden-lg)

Much older Bootstrap

.hidden-phone, .hidden-tablet etc. are unsupported/obsolete.