[racket-dev] info.rkt `deps` and new #:version keyword: Backward compatibility?

On Thu, Oct 3, 2013 at 4:07 PM, Greg Hendershott
<greghendershott at gmail.com>wrote:

> On Thu, Oct 3, 2013 at 9:50 AM, Jay McCarthy <jay.mccarthy at gmail.com>
> wrote:
> > On Thu, Oct 3, 2013 at 7:40 AM, Greg Hendershott
> > The concept of backwards compatibility does not apply to beta software
> > in my opinion. The next release will be the first release where the
> > package system is not beta.
>
> I understand. OTOH this is a public beta where people are invited to
> use it for real, and pkg.racket-lang.org already has many packages. If
> we had somehow painted ourselves into a corner where a required change
> had no (reasonable) backward compatibility tactic, people would (have
> to) understand and accept that. And in that case maybe we'd want to
> "re-launch" the package system as "Works only with 5.3.90 or higher",
> for sanity. But so far, in cases like multi vs. single collection
> default, or #:version, it's very much appreciated the intent has been
> to preserve it -- thanks!
>

If having a beta period with a number of backward incompatibilities means
having the best package system ever, I'm all for it. Twice.

Laurent
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