alt Hacker NewsObjects in Garage are broken up into 1MB (default) blocks, and compressed with zstandard. So, it would be difficult to reconstruct the files. I don't know if that was a recent change since you looked at it.
Configuration is still through the CLI, though it's fairly simple. If your usecase is similar to the way that the Deuxfleurs organization uses it -- several heterogeneous, geographically distributed nodes that are more or less set-it-and-forget-it -- then it's probably a good fit.
I guess this change was inevitable. But I like the possibility to reconstruct a broken distributed file storage system. GlusterFS also allowed this.
My use case is relatively common : I want small S3 compatible object stores that can be deployed in Kubernetes without manual intervention. The CLI part was a bit in the way last time, this could have been automated but it wasn't straightforward.