[wp-trac] [WordPress Trac] #53702: Four css files removed between 5.7.x and 5.8 were not included in $_old_files

[WordPress Trac]

#53702: Four css files removed between 5.7.x and 5.8 were not included in
$_old_files
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 Reporter:  WFMattR          |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Upgrade/Install  |     Version:  5.8
 Severity:  normal           |  Resolution:
 Keywords:  dev-feedback     |     Focuses:
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Comment (by WFMattR):

 Thanks all.

 To clarify, if I install a fresh copy of WP 5.8, I don't see those files,
 but if I update a site from WP 5.7.2 to WP 5.8, the old files remain in
 place. The timestamps on those files on the upgraded site are before the
 update as well.

 In the past, an upgraded site has normally had the same files in wp-admin
 and wp-includes as a fresh installation. In Wordfence, WP core files that
 don't appear in the official zip are shown in scans as a low severity
 issue, and usually we don't see any after a normal WP upgrade, (unless a
 host uses a non-standard method of updating an installation in-place).

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Ticket URL: <https://core.trac.wordpress.org/ticket/53702#comment:3>
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