I agree with most of what you wrote, with one exception:

On Fri, Mar 21, 2014 at 12:08 PM, Karl Forner <karl.forner@gmail.com> wrote:
[...]

> - "exact deps versions":
> will put a lot of burden of the developer.
>

Not really, in my opinion, if you have the proper tools. Most likely when
you develop any given version of your package you'll use certain versions
of other packages, probably the most recent at that time.

If there is a build tool that just puts these version numbers into the
DESCRIPTION file, you don't need to do anything extra.

In fact, it is easier for the developer, because if you work on your
release for a month, at the end you don't have to make sure that your
package works with packages that were updated in the meanwhile.

Gabor

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