[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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