[wp-trac] [WordPress Trac] #52111: Classic Editor - TinyMCE Visual Page editor not working correctly after updating to version 5.6 or later

[WordPress Trac]

#52111: Classic Editor - TinyMCE Visual Page editor not working correctly after
updating to version 5.6 or later
---------------------------+---------------------
 Reporter:  spikeuk1       |       Owner:  (none)
     Type:  defect (bug)   |      Status:  new
 Priority:  normal         |   Milestone:  5.8
Component:  Editor         |     Version:  5.6.3
 Severity:  major          |  Resolution:
 Keywords:  needs-testing  |     Focuses:
---------------------------+---------------------

Comment (by spikeuk1):

 I've just tried deactivating the Yoast SEO and then the Yoast Duplicate
 Post plugins one at a time and unfortunately my problem is still there if
 I set the JQuesry Migration Helper to "Default from WP" :(

 I am also using version 4.1.2 and 16.2 of the Yoast plugins but am running
 with WP 5.7.1.

 Thanks for the link to the post - I'll have a look at that.

 Thanks!
 Spike

  Replying to [comment:40 floriantactisens]:
 > I have both of those :
 > - Yoast SEO version 16.2
 > - Yoast Duplicate Post version 4.1.2
 >
 > It looks like the Yoast SEO plugins causes the conflict problems, and
 not the Yoast Duplicate Post plugin.
 >
 > EDIT : I just found a post that may be linked to this issue :
 https://wordpress.org/support/topic/yoast-bug-conflict-with-classic-
 editor-plugin/
 >
 > Replying to [comment:39 spikeuk1]:
 > > Well that is all very interesting Florian - many thanks for that.
 > >
 > > I have the Yoast Duplicate Post and Yoast SEO plugins - which of these
 do you have please?
 > >
 > > Spike
 > >
 > > Replying to [comment:38 floriantactisens]:
 > > > Hi everyone,
 > > >
 > > > Here is my update on this problem. I tried to be as thorough as
 possible.
 > > >
 > > > First it does not seem like a browser problem, since I tried on
 several browsers and on private session (no browser plugin) and I have the
 same issues.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52111#comment:41>
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