[wp-trac] [WordPress Trac] #33704: Deprecate wp_is_mobile()

[WordPress Trac]

#33704: Deprecate wp_is_mobile()
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 Reporter:  johnbillion  |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  General      |    Version:  3.4
 Severity:  normal       |   Keywords:  needs-patch dev-feedback
  Focuses:  ui           |
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 User agent sniffing is bad. `wp_is_mobile()` isn't very reliable. In core
 it's actually used to detect if the device is a touch device (so that,
 among other things, elements that normally appear on hover are shown
 persistently and JavaScript for touch functionality is loaded).

 We should audit the use of `wp_is_mobile()` in core to see if replacing it
 in favour of client-side feature detection is possible. If so,
 `wp_is_mobile()` should be deprecated.

 Reported bugs with `wp_is_mobile()`: #24541, #21667, #24252.

 History: #20014

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Ticket URL: <https://core.trac.wordpress.org/ticket/33704>
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