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Hi Jeremy, thank you for the pointers and the background on Newton!

On 1/19/17, 7:12 AM, "Jeremy Stanley" <fungi at yuggoth.org> wrote:

>On 2017-01-18 15:19:36 -0800 (-0800), Eric K wrote:
>> Hi all, Is there any community-wide policy on how long we strive
>> to maintain compatibility with Ubuntu 14.04? For example by
>> avoiding relying on MySQL 5.7 features. I've had a hard time
>> finding it on openstack.org and ML discussions. Thanks lots!
>
>Years ago the TC (only a few months after they ceased to be the PPB)
>agreed to the following:
>
>    OpenStack will target its development efforts to latest
>    Ubuntu/Fedora, but will not introduce any changes that would
>    make it impossible to run on the latest Ubuntu LTS or latest
>    RHEL.
>
>    
>http://lists.openstack.org/pipermail/openstack-dev/2012-December/004052.ht
>ml
>    
>http://eavesdrop.openstack.org/meetings/tc/2013/tc.2013-01-08-20.02.log.ht
>ml#l-7
>
>You can also find it referenced in our requirements documentation:
>
>    
>http://docs.openstack.org/developer/requirements/#finding-distro-status
>
>The upshot has basically been that whatever the "latest Ubuntu LTS"
>was at the time the development cycle began is what we use for the
>purposes of testing development leading up to a given release, and
>is subsequently maintained for testing the resulting stable branches
>from that release until our support end-of-life is reached. However,
>the Newton release ended in an unfortunate situation...
>
>During the Newton development cycle, the Infra team decided to
>provide teams a means of gracefully migrating their testing from
>Ubuntu 14.04 LTS to 16.04 LTS with the expectation that it would be
>completed within one cycle. This did not happen in time for the
>release, and so we wound up with some projects testing stable/newton
>on 16.04 while others were testing on 14.04. Obviously we couldn't
>leave things in that state indefinitely or it would risk breaking
>some project dependencies entirely in that branch, so we pushed to
>get any remaining teams to finish uplifting their stable/newton
>testing to 16.04 soon thereafter.
>
>The result is still that upstream OpenStack, from a QA/testing
>perspective, considers stable/newton to "support" Ubuntu 16.04 LTS
>("latest Ubuntu LTS" at the time its development cycle began), and
>stable/mitaka is the last release we "supported" on Ubuntu 14.04
>LTS. Hopefully that is the answer you're seeking?
>-- 
>Jeremy Stanley
>
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