They have been removing features from the open source version for a while.
The closest alternative seems to be RustFS. Has anyone tried it? I was waiting until they support site replication before switching.
I maintain an S3 client that has a test matrix for the commonly used S3 implementations. RustFS regularly breaks it. Last time it did I removed it from the matrix because deleteObject suddenly didn't delete the object any more. It is extremely unstable in its current form. The website states that it is not in a production-ready state, which I can confirm.
I'd take a look at garage (didn't try seaweed yet).
If it is not an Apache/CNCF/LinuxFoundation project, it can be a rug pull aimed at using open source for getting people in the door only. They were never open for commits, and now they have abandoned open source altogether.
I made recently an open source alternative to minio Server & minio UI also in Rust:
Might be coming soon based on this: https://docs.rustfs.com/features/replication/
Although promising, RustFS is a Chinese product. This would be a non-starter for many.
From what I looked still very fresh project, to the point running out of date minio version will most likely be less problematic than latest rustfs
Garage is a popular alternative to Minio. https://garagehq.deuxfleurs.fr
I hadn't heard of RustFS and it looks interesting, although I nearly clicked away based on the sheer volume of marketing wank on their main page. The GitHub repo is here: https://github.com/rustfs/rustfs