Hola, I'm 0 on it. I think we (and numerous other projects, large and small) have been doing fine with a.b.c, and a.b.c.d is overkill. But if it's automated, and we keep using a.b.c for normal releases and use a.b.c.d only for patches, then it's OK.
Well, we actually have a single number right now (both 5.0 and 5.5 are fixed numbers).
What I'm trying is to differentiate actual bugfxing from new release that adds extra functionality, optimization, etc...
Anyhow, I just don't like those non-numeric 'x.x-dev' versions. Anything else is just fine :).
Regards, MT.
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