Posted by Sean P. DeNigris on Oct 10, 2015; 5:34pm
URL: https://forum.world.st/pharo5-and-ConfigurationOfMagritteGlamourForPharo40-tp4854773p4854887.html

Stephan Eggermont wrote

I don't understand at all why that needs a separate configuration.

IIRC it was because Moose beta parallels Pharo beta, so latest Moose changes are (potentially) incompatible with Pharo 4.0.