The Pi is 64 bit, but the OS, at least Raspian, is 32 bit, and they don't seem to be in a rush to take it to 64 bits.

Sent from my iPad

> On Jul 16, 2016, at 10:14, Chris Muller <asqueaker at gmail.com> wrote:
> 
>> On Fri, Jul 15, 2016 at 2:44 PM, David T. Lewis <lewis at mail.msen.com> wrote:
>> I don't see any problem with making a 64-bit image available along with
>> the 5.1 release.
> 
> Nor do I, but...
> 
>> After all, we went for many years supporting both 6504
>> and 6505 image format through several releases. The 32-bit and 64-bit
>> Spur images will be essentially the same image, just saved in a different
>> object format.
>> 
>> We do need to make sure that if someone chooses to load the 64-bit
>> version, that they are aware of the compatibility restrictions. But
>> that's nothing that we cannot handle with a good download page on
>> the web site, and I'm sure we can do that :-)
> 
> ... we talked about in our meeting that we were gonna have two
> separate downloads, one for 32-bit, one for 64-bit.  If so, what will
> be the basis for somone to be able discern which one they need to
> download?
> 
> I assume you want to call them "5.1/32" and "5.1/64" because you want
> to support 32-bit for years to come, and so the "5.1" names the image
> contents, while the "32" or "64" names the word size.
> 
> That buys me a lot more time to upgrade Magma to work on 64-bit, and
> makes sense if we really are going to support 32-bit for years to
> come, but as the RPi 3 is 64-bit, it seems like new installations with
> new versions of Squeak are most likely going to go 64-bit.  I could be
> wrong.
>