This supports lightweight branches, and transactional commits and merges. I haven't used it—and it seems cool—but it also seems a little heavyweight to get cross-table transactions on top of these table formats (which would be my primary use case).
Project Nessie also powers Dremio's Arctic service, so you can get all the branching and benefits of Nessie with an intuitive UI to browse branches, create branches and merge branches. Also, it is a cloud managed service with a free tier.
Check out lakeFS (https://github.com/treeverse/lakeFS).
It doesn't rely on the object store for ordering and is highly influenced by Git itself (but designed to work on object stores at very large scales)
It's like inventing SVN for data. Soon enough git will have to be invented as well.