[wp-trac] [WordPress Trac] #31941: disappearing menu on plugin admin route due to r32089

[WordPress Trac]

#31941: disappearing menu on plugin admin route due to r32089
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 Reporter:  nerrad              |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Administration      |    Version:  trunk
 Severity:  normal              |   Keywords:
  Focuses:  ui, administration  |
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 Noticed this today after updating WP to 4.2-beta4-32091 on one of our
 plugin routes:

 [[Image(https://www.evernote.com/shard/s3/sh/c3d4bf17-f64f-4293-8215-8e295a627bcb/a337aa43fce1213ea1ac0cf174e3209c/deep/0/Events
 ---EE-Development-Site---WordPress.png)]]

 Traced it to [32089] for #30900

 If I revert the css in that change, the menus are back.  We're checking to
 see if this happens with what we have posted on wp.org and if it does I'll
 linky here.  We're also seeing if we can reproduce with any other plugin
 menus.

 I'm not ruling out that this is a conflict with some css on our plugin but
 wanted to just get this up in case it definitely is a core issue.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31941>
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