[Dovecot] Version numbering

[Steven F Siirila]

On Wed, Mar 28, 2007 at 03:46:40AM +0300, Timo Sirainen wrote:
> After v1.0 is released, I can finally get back to sane version numbers.
> But any comments on which one is better:
> 
> a) Postfix-style: "1.1.UNSTABLE.YYYYMMDD" -> 1.1.0 (stable)
> 
> b) Odd-even numbering: 1.1.x (unstable) -> 1.2.0 (stable)
> 
> With a) style the releases could be done by simply copying a nightly
> snapshot to releases/ directory and announcing the changes since the
> last release. I'm not sure if that's good or bad.

I'm not claiming to be real familiar with the various numbering methods,
but I'd opt for a simple approach that doesn't require "inside" knowledge.
As such, I do NOT like option b.  I'd prefer that stable releases be kept
separate from unstable ones, and that the stable ones be numbered:

	X.Y.Z

where: X is the major version (changes only for major feature updates),
Y is the minor version (changes for minor feature updates), and Z is more
or less a patch level.

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