[xsd-users] XSD 4.0 backward compatibility

[Marina Egorova]

Hi Boris,

thank you for your reply. Can we expect backward compatibility between
versions 4.2 and 4.0 ?

On Fri, May 23, 2025 at 1:44 PM Boris Kolpackov <boris at codesynthesis.com>
wrote:

> Hi Marina,
>
> Marina Egorova <thunderstorm.keeper at gmail.com> writes:
>
> > However, we are faced with the issue that messages encoded to XDR by
> > version 3.3.0 can not be read successfully by XSD 4.0.
> >
> > Is backward compatibility expected in this case?
>
> No, this is a major version change and backwards-compatibility is not
> guaranteed.
>
>
> > Can something be done to have backward compatibility?
>
> Hm, I think the first step is to understand what exactly is causing
> this and the scope of it.
>
> You could try comparing the representations from version 3 to 4 to
> understand the difference. Alternatively, you could use the revision
> history to see what got changes in that area. The git repository for
> XSD is here:
>
> https://github.com/codesynthesis-com/xsd
>