[parrot-tickets] [Parrot] #407: post-1.0 pbc reader policy

chromatic chromatic at wgz.org
Mon Mar 9 01:27:40 UTC 2009


On Sunday 08 March 2009 18:07:04 Reini Urban wrote:

> 2009/3/8 chromatic <chromatic at wgz.org>:

> > Please read our support policy regarding bytecode changes and deprecation
> > cycles.
>
> pdd13_bytecode.pod:

Our support policy regarding bytecode changes and deprecation cycles is 
instead docs/project/support_policy.pod.  In particular:

	In future releases, we might make changes to the bytecode format that
would prevent bytecode generated on one supported release from running
on a later supported release. These changes will follow our usual
deprecation guidelines, with adequate advance notice.

> In fact, once Parrot is in production use it will be
> preferable to write as early a bytecode format as is possible, to allow the
> greatest compatibility with previous Parrots.

That is contrary to our discussed and documented backwards compatibility 
policy, as you can read in the document from which I previously quoted.

-- c


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