As a datapoint for MySQL, Most of my websites are on Ubuntu 16.04 (Python
3.5, MySQL 5.7), though I do have one on 14.04 (Python 3.4, MySQL 5.5) that
I _would_ upgrade to Django 2.0 if we kept 5.5 support, but it's not a big
deal to leave it at 1.11 until I switch to 16.04.

On Sat, Aug 26, 2017 at 11:09 AM, Tim Graham <timogra...@gmail.com> wrote:

> MySQL 5.5 is end-of-life in December 2018. Usually we drop support for a
> particular database version in the Django release prior to the end-of-life
> date [0], so that would mean dropping support in Django 2.1 (released
> August 2018). We don't have MySQL 5.5 testing in our continuous integration
> servers and in local testing, I noticed some GIS test failures with MySQL
> 5.5. Before investigating them, I thought I'd ask to see if there might be
> consensus to drop support for MySQL 5.5 in Django 2.0 instead of 2.1. I'd
> guess anyone using MySQL 5.5 users would stick with Django 1.11 LTS or
> older.
>
> https://github.com/django/django/pull/8980 shows the cleanups for removal
> of MySQL 5.5 support. Also, MySQL 5.5 is the last usage among the built-in
> database backends for the supports_microsecond_precision database feature
> so there's a chance that could be removed also, though I found usage of it
> in django_pyodbc [1].
>
> [0] https://code.djangoproject.com/wiki/SupportedDatabaseVersions -- though
> we've made some exceptions like dropping support earlier for Oracle 11,
> https://groups.google.com/forum/#!topic/django-developers/IawbBWzPXaA/
> discussion
> [1] https://github.com/lionheart/django-pyodbc/issues/87
>
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