[VW] Is VM 7.3 backward comatible ?

Is it recommendable to run VW7.1 images with the VM of  7.3? We've got
the recommendation to do so with the VM of 7.2.

Thank you in advance,
Ulli

Ulli Wenk wrote:

> Is it recommendable to run VW7.1 images with the VM of  7.3? We've got
> the recommendation to do so with the VM of 7.2.

Yes.  In general its always advisable to use the newest VM with the same
major version number with older images.  VMs are always
backwards-compatible unless we change the major version number.  When
VMs aren't backward-compatible we make the VM refuse to load older
images by default.

>
> Thank you in advance,
> Ulli
>

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Eliot Miranda              Smalltalk - Scene not herd

I was working oin an application on VW 7.2 and switched t VW 7.3.
Instead of loading an old image on my brand new VW, I loaded a bundle i
had created for may app. I soon found out that the following method
implementation was missing on VW 7.3

Filename >> directoryContentsRecursively

I needed it on an the application I was working on so I copied it's
source from VW 7.2 and pasted it as a class extension whithin my app ->
good idea or bad idea??
Isn't this a backward compatibility problem??

regards,
ricardo

Ricardo Birmann wrote:
> I was working oin an application on VW 7.2 and switched t VW 7.3.
> Instead of loading an old image on my brand new VW, I loaded a bundle i
> had created for may app. I soon found out that the following method
> implementation was missing on VW 7.3
>
> Filename >> directoryContentsRecursively
>
> I needed it on an the application I was working on so I copied it's
> source from VW 7.2 and pasted it as a class extension whithin my app ->
> good idea or bad idea??
> Isn't this a backward compatibility problem??

No. directoryContentsRecursively isn't in the base 7.2 image either.  It
is part of the Web Toolkit.  So you need to load Web Toolkit in 7.3
also.  If you open a browser on Filename >> directoryContentsRecursively
in 7.2 it should show you that it is in the Web Toolkit parcel.

--
_______________,,,^..^,,,____________________________
Eliot Miranda              Smalltalk - Scene not herd