[Qgis-developer] About project.qgs file versions

[DelazJ]

Hi,


2016-10-25 11:41 GMT+02:00 Nyall Dawson <nyall.dawson at gmail.com>:

> On 25 Oct 2016 7:37 PM, "Geo DrinX" <geodrinx at gmail.com> wrote:
> >
> > Good morning,
> >
> >
> > we have seen that the new QGIS 2.18  reports a warning when opens a
> .qgs  project file,
> > reporting that it is an old version, and saving again, it could be
> incompatible with old versions of QGIS.
> >
> > We  are asking what is the reason for this.  Could you explain us ?
>
> There's no backward compatibility in qgs files. If you upgrade them then
> they won't necessarily be the same in earlier versions. Sometimes they
> won't be openable at all in earlier versions. Hence the warning.
>
> This is not a new feature. It has always been the case when you open a
project with a newer qgis version.

Regards,
Harrissou

> >
> > BTW, there is a function for saving the .qgs  file  in a previous
> version ?
>
> No, nothing like that exists.
>
> Nyall
>
> >
> >
> > Thank you
> >
> > Geo
> >
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