[erlang-questions] FW: Version numbering scheme change and the implication / Re: [ANN] Erlang/OTP 17.0-rc1 has been released.

Vlad Dumitrescu <>
Thu Feb 13 17:26:02 CET 2014


Hi Andreas,

I would prefer to be able to check the version without starting
erlang. Would it be possible to add a property to the start script?
The "OTP  APN 181 01" is useless anyway :-)

/Vlad

On Thu, Feb 13, 2014 at 2:11 PM, Andreas Schumacher <> wrote:
> Re: otp_version: In addition to erlang:system_info(otp_correction_package),
> a corresponding flag "otp_version" - similar to [emulator] "version" - is
> going to be added to the erl command, in order to allow the extraction of
> the complete version number from command line tools. Other additions to
> extract the Erlang/OTP version have not been planned.
>
> Re: 17.0.0 =?= 17.0: Yes, they are the same. We could have used the extra
> ".0", but we chose not to.
>
> Andreas
>
> ----------
> Andreas Schumacher, Erlang/OTP, Ericsson AB
>
>>
>> -----Original Message-----
>> From: Vlad Dumitrescu [mailto:]
>> Sent: den 13 februari 2014 10:35
>> To: Andreas Schumacher
>> Cc: Anthony Ramine; erlang-questions; Rickard Green
>> Subject: Re: [erlang-questions] Version numbering scheme change and the
>> implication / Re: [ANN] Erlang/OTP 17.0-rc1 has been released.
>>
>> Hi!
>>
>> A couple of more questions about versins:
>>
>> - how can we find the otp_version without starting erlang? otp_release is
>> in the start scripts, but I can't find anywhere "17.0-rc1"...
>> - is 17.0.0 the same as 17.0? Is it a problem to use the extra ".0"?
>>
>> regards,
>> Vlad
>>
>>
>> On Wed, Feb 12, 2014 at 9:08 AM, Andreas Schumacher <>
>> wrote:
>>>
>>>  From the versioning clarification mail that I sent on behalf of the
>>> OTP team to the list on February 7:
>>>
>>>
>>> "The new version scheme is *not* semantic versioning; although, it has
>>> been inspired by it. We do not want to use semantic versioning (as
>>> defined by
>>> http://semver.org/) out of the box since it does not fit our needs."
>>>
>>> Andreas Schumacher
>>> Erlang/OTP, Ericsson AB
>>>
>>>> -----Original Message-----
>>>> From: 
>>>> [mailto:] On Behalf Of Anthony
>>>> Ramine
>>>> Sent: den 12 februari 2014 02:48
>>>> To: Rickard Green
>>>> Cc: 
>>>> Subject: Re: [erlang-questions] Version numbering scheme change and
>>>> the implication / Re: [ANN] Erlang/OTP 17.0-rc1 has been released.
>>>>
>>>> So OTP won't follow semantic versioning, right?
>>>>
>>>> Just seeking confirmation about semver.
>>>>
>>>> Regards,
>>>>
>>>> --
>>>> Anthony Ramine
>>>>
>>>> Le 12 févr. 2014 à 00:43, Rickard Green <> a écrit :
>>>>
>>>>> As of OTP 17 we drop this patch level number sequence and start
>>>>> using one set of patch level numbers per release. The patch level is
>>>>> not expressed as an integer as it used to be, but instead as a
>>>>> version number <X>.<Y>.<Z>[.<N> ...], for example, 17.0.1. This way
>>>>> the patch level gives you a bit more information. You can for
>>>>> example see directly which OTP release it applies to. This patch
>>>>> level version number also replace the -<X> tar-ball naming scheme.
>>>>
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>>>> 
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>>>
>>>
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>
>



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