Hi, I was trying to merge in Zinc changes from the latest Pharo 7 back to the MC Zinc repos. It seems like MCMczWriter>>#flush breaks [1]. I can save to the package cache but not to an Http repo, nor copy to it. Guile, has this been tested, or do you no longer use the old MC ? Sven [1] ByteString(Object)>>error: ByteString(Object)>>errorImproperStore ByteString>>at:put: ZipWriteStream(WriteStream)>>nextPut: [ :ch | self nextPut: ch ] in ZipWriteStream(DeflateStream)>>next:putAll:startingAt: in Block: [ :ch | self nextPut: ch ] ByteArray(SequenceableCollection)>>do: ZipWriteStream(DeflateStream)>>next:putAll:startingAt: ZipWriteStream(DeflateStream)>>nextPutAll: ZipStringMember(ZipArchiveMember)>>compressDataTo: ZipStringMember(ZipArchiveMember)>>writeDataTo: ZipStringMember(ZipArchiveMember)>>writeTo: [ :member | member writeTo: stream. member endRead ] in ZipArchive>>writeTo: in Block: [ :member | ... OrderedCollection>>do: ZipArchive>>writeTo: MCMczWriter>>flush MCMczWriter class>>fileOut:on: MCVersion>>fileOutOn: [ :s | aVersion fileOutOn: s ] in MCHttpRepository(MCFileBasedRepository)>>basicStoreVersion: in Block: [ :s | aVersion fileOutOn: s ] MCHttpRepository>>entityStreamContents: MCHttpRepository>>writeStreamForFileNamed:replace:do: MCHttpRepository(MCFileBasedRepository)>>writeStreamForFileNamed:do: MCHttpRepository(MCFileBasedRepository)>>basicStoreVersion: MCHttpRepository(MCRepository)>>storeVersion: MCHttpRepository(MCFileBasedRepository)>>storeVersion: [ super storeVersion: aVersion ] in MCHttpRepository>>storeVersion: in Block: [ super storeVersion: aVersion ] BlockClosure>>on:do: MCHttpRepository>>retryOnCredentialRequest: MCHttpRepository>>storeVersion: MCWorkingCopyBrowser>>storeVersion:in: [ self storeVersion: newVersion in: aRepository; storeDependencies: newVersion in: aRepository ] in [ [ self storeVersion: newVersion in: aRepository; storeDependencies: newVersion in: aRepository ] ensure: [ (MCVersionInspector new version: newVersion) show ] ] in MCWorkingCopyBrowser>>basicSaveVersionIn: in Block: [ self...