openerp-expert-framework team mailing list archive

[Christophe Combelles <ccomb@xxxxxxxxx>]

Thanks for the great work!
Just my 2cts about numbering ↓

Le 01/10/2011 13:35, Antony Lesuisse a écrit :
> Version numbering
> =================
>
> About version numbering what about switching to this:
>
> 6.0 -> 6 LTS
> 6.1 -> 7
> 6.2 -> 8
> 7.0 -> 9 LTS
>
> with stable releases:
>
> 6.0.1 -> 6.1 LTS
> 6.0.2 -> 6.2 LTS
> 6.1.1 -> 7.1
> 6.1.2 -> 7.2
>
> pro:
>
> It's fashionable these days (firefox, chrome, windows) actually less(1) is using
> this kind version numbering since 1983.
>
> Simplier. less dimensions 2 instead of 3.


The logic behind the X.Y.Z numbering is usually to have a clear difference 
between bugfix, features and backward compatibility, like the following :

- Z is for bug and security fix only. Usually, upgrading such a minor version 
must be guaranteed to be safe and can be done without any risk. Just relaunch 
the tests and put in production. Any new feature is forbidden here.

- Y is for backward-compatible feature release. Upgrading should also normally 
be safe, but may require more attention. This kind of release is the perfect 
occasion for existing project to benefit from new features, without breaking 
everything. Maybe just an easy and limited migration.

- X is for major releases that break backward-compatibility. Upgrading means 
porting and migrating. It allows some refactoring.

I'm not arguing for one version numbering or another, the choice clearly depends 
on whether the 3 notions need to be separated or not, or if the first or last 
two numbers can be merged.

X.Y.Z is a little more difficult to maintain for the editors (core or modules), 
while X.Y is more difficult for people wanting to upgrade their running 
instances, unless a clear policy is chosen for the first number, and a clear 
upgrade path is provided.

What should we expect for the upcoming 6.0 → 6.1|7 upgrade path ?

Christophe


> LTS is now a tag every 3 releases clearly indicated "n LTS" where before *.0.*
> had the same obfuscated meaning.
>
> con:
>
> Changing again.
>
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