This is a very good info
Link ?
I add to VM&.image table 
Very thanks 

Sent from my iPhone

> On 9 Sep 2019, at 12:02, Javier Diaz-Reinoso via Squeak-dev <squeak-dev at lists.squeakfoundation.org> wrote:
> 
> I can open Squeak3.0 image with Squeak 4.2.2beta1U VM in High Sierra without problems.
> 
>> On 9 Sep 2019, at 05:08, Edgar J. De Cleene <edgardec2005 at gmail.com> wrote:
>> 
>> Mi pleasure
>> And I add which image could run in MacOS
>> As example
>> Catalina force to use only 64 bit
>> High Sierra can't open very old stuff like 3.10 and older (reason for have
>> the Mac Mini 2010  running Snow Leopard)
>> I need as ScarletSmalltalk uses some of Alejandro S8 and this have roots in
>> his Fenix (3.0)
>> Also Exupery is very old.
> 
>