[swift-evolution] Source-breaking proposals?

[Chris Lattner]

> On Sep 26, 2016, at 11:07 AM, Dave Abrahams via swift-evolution <swift-evolution at swift.org> wrote:
> 
> 
> on Sun Sep 25 2016, Karl <swift-evolution at swift.org> wrote:
> 
>>> On 25 Sep 2016, at 18:38, Anton Zhilin via swift-evolution <swift-evolution at swift.org> wrote:
>>> 
>>> Do I miss something, or proposals with source-breaking changes still can't be submitted?
>>> When will corresponsing guidelines be out? Are there any plans on that matter?
>>> _______________________________________________
>>> swift-evolution mailing list
>>> swift-evolution at swift.org
>>> https://lists.swift.org/mailman/listinfo/swift-evolution
>> 
>> I believe the situation is that we’re going to support Swift 3 syntax with a compiler flag, which frees us to make source-breaking changes for Swift 4. 
>> 
>> AFAIK, how we support this in the compiler isn’t determined yet.
>> 
>> That’s what I take from Ted’s email: https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20160725/025587.html
> 
> That's correct.

Right.  Also, it is worth saying that any source breaking change still has to have an ultra-compelling reason to be worth considering.  Despite having a framework to support some source breaking changes, we still want to minimize them where ever possible.

-Chris