Unfortunately, the pre-release VM has the bug described in issue #260: 
https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/260 .

Levente

On Sat, 26 May 2018, Fabio Niephaus wrote:

> 
> 
> 
> On Sat, May 26, 2018 at 6:40 PM Bernhard Pieber <bernhard at pieber.com> wrote:
>       Hi,
>
>       So it was just race condition. :-)
>
>       Thank you for fixing the upload!
>
>       I saw that the 5.2alpha build contains the VM with the version 201804030952, which is not the latest version on Bintray (and interestingly is not even in the versions list on
>       https://bintray.com/opensmalltalk/vm/cog).
> 
> 
> The VMs on Bintray are removed after a few weeks to save storage costs. More importantly, these VMs are considered bleeding edge and I don't think it's a good idea to test a bleeding edge Squeak image with a
> bleeding edge VM. If something is broken, it can be really hard to tell if the problem is in the VM or in the image.
> The VMs that ship with the current 5.2alpha builds are from the latest VM pre-release which you can find at [1]. Unfortunately, the latest stable VM release [2] is from 2016.
> 
> Fabio
> 
> [1] https://github.com/OpenSmalltalk/opensmalltalk-vm/releases/tag/201804030952
> [2] https://github.com/OpenSmalltalk/opensmalltalk-vm/releases/latest
> 
>  
>
>       Should testing happen with this VM or with the latest from Bintray?
>
>       Cheers,
>       Bernhard
>
>       > Am 26.05.2018 um 16:58 schrieb Fabio Niephaus <lists at fniephaus.com>:
>       >
>       > Dear all,
>       >
>       > TravisCI just generated the first set of 5.2alpha artifacts including updated VMs which are now available at [1]. This URL actually links to the same folder you can find at [2].
>       > Although recent TravisCI builds have passed, this folder was empty because of an issue with the updater which Marcel and I just resolved.
>       > Therefore, all new artifacts are now uploaded to the 5.2alpha directory and should show up at [1]/[2].
>       >
>       > Happy testing!
>       >
>       > Fabio
>       >
>       > [1] http://files.squeak.org/trunk/
>       > [2] http://files.squeak.org/5.2alpha/
>       >
>       >
>       > On Sat, May 26, 2018 at 1:20 PM H. Hirzel <hannes.hirzel at gmail.com> wrote:
>       > Hi Bernard
>       >
>       > A solution which works well for the meantime is to take early May download from
>       >
>       > http://files.squeak.org/6.0alpha/
>       >
>       > And update from within the image.
>       >
>       > One of the updates is the rename to 5.2alpha. The result is attached.
>       >
>       > Regards
>       > --Hannes
>       >
>       >
>       >
>       >
>       > On 5/26/18, Bernhard Pieber <bernhard at pieber.com> wrote:
>       > > Hi,
>       > >
>       > > I wanted to get a current trunk image to help testing the new release.
>       > > Normally, I go to http://squeak.org/downloads/ and click the trunk link
>       > > http://files.squeak.org/trunk/. This leads to an empty directory. I guess
>       > > this might be an unintended consquence of the rename.
>       > >
>       > > Are you going to rename the folder and files in
>       > > http://files.squeak.org/6.0alpha/ as well?
>       > >
>       > > Best,
>       > > Bernhard
>       > >
>       > >> Am 24.05.2018 um 10:44 schrieb Marcel Taeumel <Marcel.Taeumel at hpi.de>:
>       > >>
>       > >> Hi, there.
>       > >>
>       > >> We are going to change the current version number of the Trunk to
>       > >> "5.2alpha" to denote our plans for the upcoming Squeak release. After
>       > >> several discussions within the board and with our release manager Edgar,
>       > >> we came to conclusion that it makes sense to postpone the "6.0" a little
>       > >> bit to finish some bigger concerns such as the use of ephemerons and Etoys
>       > >> clean-up.
>       > >>
>       > >> Best,
>       > >> Marcel
> 
> 
> 
>