Hello Rob, I've uploaded guile-lib 0.2.6.1-2, which should work with both Guile 2.2 and Guile 3.0. It depends on guile-3.0 | guile-2.2. I think you can cross off guile-lib from your list, but perhaps we can keep the bug open since I actually need to remove the guile-2.2 support at some point.
-- Göran Weinholt | https://weinholt.se/ Debian Developer | 73 de SA6CJK