Don't discount being able to use features from newer versions of python 
within Django itself.

https://docs.python.org/3/whatsnew/3.6.html

- dicts are more performant
- dicts/kwargs/class attributes are ordered (cpython implementation detail 
for 3.6 - allowing us to consider removing descriptor counters)
- fstrings
- type annotations (something some people are quite in favour of)
- async comprehensions and generators (less important for Django right now 
- may be more important for Channels)
- secrets module
- pathlib
- descriptor improvements (set_name, __init_subclass__)

I'm more in favour of maintaining the existing policy than playing 
favourites with distro support, but not strongly so. The LTS Django is 
already covering Python 3.5 for 18 months **longer** than the EOL. I don't 
think the newest versions of Django need to be so concerned with distro 
compatibility.

On Wednesday, 23 January 2019 02:03:54 UTC+11, Federico Capoano wrote:
>
> I would ask: what are the pros and cons of dropping support for python 3.5?
>
> I think allowing users to easily use and install django based applications 
> is more important than strictly follow a python version support policy.
>
> I think that if we drop support for python 3.5, which is the default 
> python version on many linux platforms right now, we will make the life of 
> our users and developers harder.
> I don't understand the reason for doing so, if we have to do it for a good 
> reason, like a security issue, or because django has to take advantage of 
> features that are available only from python 3.6 onwards, I would be in 
> favour, but if we have to do it only because the policy says so, without 
> any other advantage, I would amend the policy.
>
> My 2 cents.
>
> Thanks for your hard work maintaining django
> Federico 
>
>
> On Monday, January 21, 2019 at 10:56:40 AM UTC-5, Tim Graham wrote:
>>
>> When deciding when to drop support for Python 2 in Django, there was 
>> consensus to adopt this Python version support policy [0]: "Typically, we 
>> will support a Python version up to and including the first Django LTS 
>> release whose security support ends after security support for that version 
>> of Python ends. For example, Python 3.3 security support ends September 
>> 2017 and Django 1.8 LTS security support ends April 2018. Therefore Django 
>> 1.8 is the last version to support Python 3.3."
>>
>> Since then, we didn't abide by this policy when dropping Python 3.4, 
>> mainly because Debian stable still used Python 3.4 at the time and Claude 
>> argued that some people like him would have difficulty contributing to 
>> Django if they had to install another version of Python [1].
>>
>> Based on the policy, it's time to drop support for Python 3.5 in the 
>> master branch (Django 3.0) -- with Django 2.2 LTS supported until April 
>> 2022 and Python 3.5 supported until September 2020). I created a ticket [2] 
>> and PR [3] for dropping support for Python 3.5 [2], however, Claude 
>> commented, "I'm not so enthusiast to drop Python 3.5 now (it is still the 
>> default version in Debian stable). Couldn't this be done in Django 3.1 
>> instead?"
>>
>> Are you in favor of amending the Python support version policy to account 
>> for the Python version in Debian stable?
>>
>> [0] 
>> https://docs.djangoproject.com/en/dev/faq/install/#what-python-version-can-i-use-with-django
>> [1] 
>> https://groups.google.com/d/msg/django-developers/4rbVKJYm8DI/TTh3i04pBQAJ
>> [2] https://code.djangoproject.com/ticket/30116
>> [3] https://github.com/django/django/pull/10864
>>
>

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