You do not need Monorepos for trunk based development. In principle you "only" need a common build system. E.g. You can just force the consumption of head via t

You do not need Monorepos for trunk based development. In principle you "only" need a common build system. E.g. You can just force the consumption of head via the build system. I think the rollback is still a factor. E.g. in a Monorepo rolling back a change is straightforward, whereas with multiple repos you would have to somehow track that commits from several repos belong together. This would create an additional layer which is avoided by using a monorepo