Doug Way wrote:

>> Of course, there's a number of large things that people have possibly 
>> planned for 3.8, which may make it tricky to reach a dual 3.8/4.0 
>> release date around June/July:
>>
>> - The 64-bit project.  (Part of 4.0, not 3.8, but will be worked on 
>> in parallel with 3.8 and released at the same time.)
>

Since making the VM 64-bit clean does not affect the image and because 
this is a major portability issue, I see no reason not to wait until 
4.0....  However, making an actual 64-bit image would be such a major 
change that it would merit being treated as a fork "Squeak 64 1.0"....