Re: Possible data loss (?) with recent IE11 11.0.16 update and Plone 4.3 z3c.form InOutWidget

Hi Fred,

Thanks for the warning.

Any news on this? Did you manage to confirm the issue being IE or did
you figure a workaround for this?

Regards,
Asko

Fred van Dijk wrote:
> Hi,
>
> This is both a warning and a question if others have experienced or
> can verify the same issue. Today we had an problem at a customer site
> where editors would lose information stored in an In/Out Widget on a
> Plone 4.3.4 site when Using IE 11 with the latest security update
> released on february 10th 2015. We are using this widget (it's the
> default for zope.schema.List) in an add'on we created
> (collective.classifiers) but it might be used in other add'ons as well.
>
> As long as the In/out widget is somewhere on an edit page and you
> save, the selected items will be deleted on save as if nothing was
> filled in: also if you haven't touched the In/Out widget at all. This
> leads to partial data loss throughout the site which the editor only
> started to notice later because content items disappeared from
> collections that are based on our widget.
>
> I've tested the same site with Older versions of IE11 (11.0.9, 11.0.7)
> On windows 8.1 and windows 7 and these are not affected, so I heavily
> suspect the latest IE11 security update. 
>
> With kind regards,
>
> Fred van Dijk
> --
> Zest - www.zestsoftware.nl <http://www.zestsoftware.nl>
> Vasteland 78
> 3011 BN Rotterdam
> Tel: +31 (0)10 2959251
>
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