Hello, Thanks Andy & Ricardo for the detailed explanations! Andy Wingo skribis: > It seems that this bug is related to the introduction of > url-fetch/reset-patch-level. It takes a #:guile kwarg but defaults to > #f; if not given #:guile, that #f propagates through instead of a > package object. Nasty. To reproduce the problem reported here, one can: 1. Revert the “band-aid commit” 9f05908fb1e3707cae593d94688748294717a546. 2. Change download.scm to force it to behave as when talking to an old daemon. This gives this: