A really nice blog by Marko Grujic on delta-rs: https://www.splitgraph.com/blog/seafowl-delta-storage-layer with a really nice quote:

In particular, there are three open and competing table formats that bring an ACID layer to data lakes, one of which will likely become the de-facto industry standard eventually. Besides Delta Lake, there are also Apache Iceberg and Apache Hudi, and while they all offer a variety of advanced features and open-source implementations, we've found that the most mature Rust implementation is that of Delta via the delta-rs project. It also has an active and welcoming community of maintainers, so we finally decided to replace our custom storage layer with delta-rs instead.

We need a page with the delta-rs user success stories!

Good idea! This is definitely a stellar example. There were also some great user stories related to using delta-rs with lambda functions that we should include.