It is not going to get much easier than Metacello. Referring to #stable should probably stop, at least for configurations that are being developed or use dependencies that are being developed. And we need better tool support for groups. Configuration Management is never going to be easy.
The Woden script looks broken, it depends on a numbered version of a dependency. Stable version of NBOpenGL is 3.1, not 3.0 That depends on version 3.0 of NBXLib NBXLib defines no symbolic versions OSWindow stable refers to NBXLib-Core-RonieSalgado.13 that doesn't exist in PharoExtras/NBOpenGL Looks like a good moment to draw some dependency diagrams Stephan