[wp-trac] [WordPress Trac] #25023: WordPress 3.6 deleting data on custom post meta

[WordPress Trac]

#25023: WordPress 3.6 deleting data on custom post meta
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 Reporter:  cdwharton                  |       Owner:
     Type:  defect (bug)               |      Status:  new
 Priority:  normal                     |   Milestone:  Awaiting Review
Component:  General                    |     Version:  3.6
 Severity:  critical                   |  Resolution:
 Keywords:  needs-patch needs-testing  |
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Comment (by cdwharton):

 Replying to [comment:9 nacin]:
 > Replying to [comment:8 cdwharton]:
 > > Is there going to be an investigation into the cause of the data
 deletion, because it is happening and I can reproduce the bug?
 >
 > To be clear, are these your steps to reproduce?
 >  * Create a page.
 >  * Add a page_summary data point.
 >  * Save.
 >  * Edit that page again.
 >  * Let autosave run.
 >  * Lose data.
 >
 > There's nothing your code is doing that suggests to me there would be a
 change in behavior from 3.5 to 3.6. That's the thing we need to figure out
 right now.

 Ok, steps to reproduce...

 1. Run WordPress 3.5
 2. Create a page
 3. Fill out custom meta on said page
 4. Save
 5. Upgrade to WP 3.6
 6. View Page on front end and verify data is still there
 7. Edit page
 8. Observe custom meta field is now blank without any intervention,
 saving, preview - nothing
 9. View page and verify data has now been deleted
 10. Start to cry ;)

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Ticket URL: <http://core.trac.wordpress.org/ticket/25023#comment:10>
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