D Editions

[Paolo Invernizzi]

On Thursday, 19 December 2024 at 16:52:35 UTC, Atila Neves wrote:
> On Thursday, 6 June 2024 at 15:47:50 UTC, Timon Gehr wrote:

>> E.g., there are bugs that allow you to mutate through `const` 
>> pointers. Some of them may not be fixed in edition 2024 
>> because the fix would break code. However, in edition 2025 the 
>> bugs are fixed. Now edition 2025 calls into a function from 
>> edition 2024 that violates memory safety by modifying a const 
>> pointer. All involved code is `@safe`, yet memory safety is 
>> violated and this hole can never be fixed if edition 2025 can 
>> just call into edition 2024.

> I think we will just have to live with this and encourage 
> people to upgrade to the newer edition.

So using a library from a previous edition *could* invalidate 
memory safety guarantees, and nothing can be done?

This is (again) a marketing disaster ...