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.