Sorry, I pressed the button to early... full mail follows: Take a PharoCore 10508, update it with update stream to 10514. open a workspace and evaluate: Gofer it squeaksource: 'MetacelloRepository'; project: 'ConfigurationOfRFB'; load. Then ConfigurationOfRFB project latestVersion load It shows an error: Unable to resolve ConfigurationOfMetacello in method GoferPackageReference>>resolverWith: Installed packages: Gofer-Core-MarkusDenker.117 Gofer-Tests-MarkusDenker.116 ConfigurationOfRFB-tbn.4 Same happens with: Gofer it squeaksource: 'MetacelloRepository'; package: 'ConfigurationOfMagma'; load. ((Smalltalk at: #ConfigurationOfMagma) project version: '1.0r43') load: 'Tester' If I manually install Metacello (not bootstraped from gofer): Gofer it squeaksource: 'MetacelloRepository'; package: 'ConfigurationOfMetacello'; load. I get: ConfigurationOfMetacello-DaleHenrichs.194. If I run now the ConfigurationOfRFB project latestVersion load I get: Error: Unable to resolve Metacello-Core-DaleHenrichs.348 If I run ConfigurationOfMetacello loadLatestVersion I also get the error: Error: Unable to resolve Metacello-Core-DaleHenrichs.348 So, what should we do? I am seeing that ConfigurationOfMetacello>>version10beta24: has blessing #beta and uses package Metacello-Core-Dalehenrichs.349 but ConfigurationOfMetacello>>version10beta23: has blessing #beta and uses package Metacello-Core-Dalehenrichs.348 so, loadLatestVersion is not getting laste 1.0beta24 version but 1.0beta23 version for metacello Can you please check? Cheers -- Miguel Cobá http://miguel.leugim.com.mx