Hi Guix, guile2.2-bytestructures and guile2.0-bytestructures don't compile. The reason seems to be that v1.0.9 uses (scheme eval), which isn't defined in guile2.0 and guile2.2. v1.0.8 doesn't use (scheme eval) Here's the commit that seems to introduce the issue while fixing another: guix time-machine --commit=0a1da4652d9bb93d530ca52710f30b5d05a4251d -- build guile2.0-bytestructures guile2.2-bytestructures According to a "guix refresh --list-dependent guile2.0-bytestructures guile2.2-bytestructures" on 372b15f8625e7f20cafdba2677d4bf3f5eccc127, only "guile2.0-git", "guile2.2-parted" and "guile2.2-guix" depend on these packages, so unless someone needs "guile2.2-guix", it should be safe to remove these packages. Greetings, Maxime. (This issue prevents creating an environment for https://issues.guix.gnu.org/46826)