[wp-trac] [WordPress Trac] #30900: Admin menu is flickering when scrolling left or right

[WordPress Trac]

#30900: Admin menu is flickering when scrolling left or right
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 Reporter:  mindrun                  |       Owner:
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  4.2
Component:  Administration           |     Version:  4.1
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  ui, administration
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Comment (by joemcgill):

 Replying to [comment:12 helen]:
 > I'm not too sure about the history of the CSS here - there's a looooot
 of stuff and cruft. The only thing that I would note is that there's some
 JS that changes the "stickiness" of the admin menu based on window height
 + menu height.

 Tested this again for any weirdness that might happen when the JS that
 changes the positioning of  `#adminmenuwrap` from absolute to fixed when
 the viewport height is shorter than the menu height and everything looks
 clean. I'm fairly confident that this is ready to go in.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30900#comment:13>
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