Is it time for D 3.0?

[rikki cattermole]

On 28/03/2020 5:41 PM, Jesse Phillips wrote:
> On Friday, 27 March 2020 at 15:56:40 UTC, Steven Schveighoffer wrote:
>> There have been a lot of this pattern happening:
>>
>> 1. We need to add feature X, to fix problem Y.
>> 2. This will break ALL CODE IN EXISTENCE
>> 3. OK, cancel the fix, we'll just live with it.
> 
> 
> Yes, but not because we want to break things, but because we are 
> breaking things.
> 
> The preview switches are great, but can we get a grouped feature set for 
> release.
> 
> It is critical that the existing libraries can be utilized with newer 
> language versions (at least for a time).
> 
> Stationary is not an option, but a good upgrade which does not 
> compromise the ecosystem is vital.

I have said this before, D3 should be a preview switch which turns on 
all the others.

All D2 code should be compilable with D3, but not all D3 should be 
compilable as D2.

dmd3 could literally be the preview switch turned on permanently.