I don't know if lurkers' opinions count, but on the subject of potential replacements for Savannah/Sourceforge: I am part of a team that administer both Gerrit and Gitlab in-house deployments. If choosing between them I would advocate for Gitlab because it includes issue tracking and CI/CD so perhaps all work can go through one place and contributors/maintainers would not need to have accounts for multiple apps/systems. Gerrit is a good code review tool, but for various reasons that may be our own fault, it is deeply unpopular where I work.
I am sadly not quite up to the task of developing the codebase (maybe one day), but I can help with systems/operational things if wanted. (I don't have a view on the bigger discussion about process - the change most likely to help me to contribute would be mentorship rather than any process change).
