[Python-Dev] Is 4.0 a major breaking changes release?

[Terry Reedy]

On 2/3/2018 5:50 PM, Zachary Ware wrote:
> On Sat, Feb 3, 2018 at 4:40 PM, Alex Walters <tritium-list at sdamon.com> wrote:
>> I am still working on porting code from 2.x to 3.x.  As of late on the lists
>> I've seen comments about making somewhat major changes in 4.0 - now I'm
>> concerned that I should pause my porting effort until that is released.  Is
>> python 4 going to be another python 3?
> 
> Emphatically no.  Anyone suggesting big breaking changes in 4.0 is
> exercising wishful thinking :)
> 
> There may be some cleanup in 4.0, but only removing things that have
> been deprecated for a long time in 3.x but hadn't been removed to
> maintain compatibility with 2.7.

So do your porting with deprecation warnings on.


-- 
Terry Jan Reedy