[Bf-committers] 2.49: prevent reading 2.5+ ?

[Dalai Felinto]

Would be possible to have an option in Blender 2.5 to SaveAs Blender 2.49
file format?
That would be the expected behaviour in my opinion.
I'm sure it means more work (probably a lot of work), but I can see demand
for that :/

Dalai
http://blenderecia.orgfree.com


2009/4/13 Ton Roosendaal <ton at blender.org>

> Hi all,
>
> Currently 2.48 and older will still read 2.5+ files, but without the UI
> (obviously). That was still sort-of acceptable.
>
> Now with new animation system, all of the motion data will get lost if
> you read 2.50 .blends in older versions. And even worse, the plans for
> bmesh also include minor upgrades in Mesh data, making it unreadable in
> older versions too.
>
> Without animations or meshes, there's not much use keeping 'forward'
> compatibility. It's even very hard to predict if you don't get crashes
> even... So, my proposal would be:
>
> - Add in 2.49 (trunk) a warning menu + failure to read 2.5+ .blend
> files.
> - Make 2.5 save the ~/.B.blend as ~/.B25.blend (this to prevent
> usability issues).
>
> -Ton-
>
> ------------------------------------------------------------------------
> Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
> Blender Institute BV  Entrepotdok 57A  1018AD Amsterdam The Netherlands
>
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