Hi Nicolas, We used https://github.com/peteruhnak/git-migration. We selected the packages #('Balloon-Engine-Pools' 'BytecodeSets.spur' 'VMMaker' 'VMMaker.oscog' 'Cog' 'CogTools' 'ImageFormat' 'VMMakerCompatibilityForPharo6' 'Android-Base' 'CMakeVMMaker' 'CMakeVMMakerSqueak' 'CogAttic' 'CogBenchmarks' 'CogCompatibility' 'CogTools-Listener' 'ImageFormat' 'MemoryAccess' 'Qwaq-VMProfiling' 'SlangBrowser' 'VMM-touch-temp' 'VMMakerCompatibilityForPharo6' 'VMMakerExtras' 'VMMakerJS'), and the migration tool just creates a long line of commits.