[wp-hackers] Custom Fields -- Lost by Autosave??

[Andrew Ozz]

Sharon Chambers wrote:
> More testing... It is, in fact, the autosave.  If I pull up a post
> (with custom fields already saved to it) in the editor, leave it up
> mere seconds, the custom fields remain unchanged.
> 
> However, if I allow the autosave to fire -- leaving the msg "Draft
> Saved at [...] Last edited by [...]" and then I close the
> UNCHANGED/UN-UPDATED post, and return to it again, custom fields are
> missing (my event data is not recognized and quick check of postmeta
> table comes up empty).
> 
> I suppose I could workaround by not "hiding" my custom fields, but
> then I run the risk of users tinkering with the data.  Hmmm...sure
> wish I could figure out what's happening.
> 
> -Sharon

There was similar ticket recently: 
https://core.trac.wordpress.org/ticket/10744