[wp-trac] [WordPress Trac] #45129: Preview button open new tab instead of previous one

[WordPress Trac]

#45129: Preview button open new tab instead of previous one
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 Reporter:  dreamon11          |       Owner:  (none)
     Type:  defect (bug)       |      Status:  reopened
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Posts, Post Types  |     Version:
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:  administration
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Comment (by dreamon11):

 Replying to [comment:3 SergeyBiryukov]:
 > Hi @dreamon11, welcome to WordPress Trac! Thanks for the report.
 >
 > Could you test [https://wordpress.org/news/2018/10/wordpress-5-0-beta-1/
 WordPress 5.0 Beta 1] to see if the issue still happens there?

 Thanks for help @SergeyBiryukov!

 I managed to solve the problem yesterday: it was evercookie
 (https://github.com/samyk/evercookie). Since I remove this code (which
 activate evercookie):

 {{{
 <script>
   var ec = new evercookie();
 </script>
 }}}


 it works fine. I don't know why :/

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Ticket URL: <https://core.trac.wordpress.org/ticket/45129#comment:4>
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