With latest VM for P7 fetched with get.pharo.org/vmTLatest70 <http://get.pharo.org/vmTLatest70> Then when using the VM with a P7 image: ./pharo ../../../DrGeoII/Dev-pharo7/Pharo7.0-64bit-f82fc36.image This error shows up: This interpreter (vers. 6521) cannot read image file (vers. 68021). Version: ./pharo --version 5.0-201708271955Â Sun Aug 27 20:09:20 UTC 2017 gcc 4.6.3 [Production Spur VM] CoInterpreter VMMaker.oscog-eem.2265 uuid: 76b62109-629a-4c39-9641-67b53321df9a Aug 27 2017 StackToRegisterMappingCogit VMMaker.oscog-eem.2262 uuid: 8b531242-de02-48aa-b418-8d2dde0bec6c Aug 27 2017 VM: 201708271955 https://github.com/OpenSmalltalk/opensmalltalk-vm.git $ Date: Sun Aug 27 21:55:26 2017 +0200 $ Plugins: 201708271955 https://github.com/OpenSmalltalk/opensmalltalk-vm.git $ Linux testing-gce-ebf45dd8-6a4c-43a5-abd0-e5d8673d05a4 3.13.0-115-generic #162~precise1-Ubuntu SMP Fri Mar 24 16:47:06 UTC 2017 i686 i686 i386 GNU/Linux -- Dr. Geo http://drgeo.eu