They seem very interested. There's lots of benchmarks and discussion. It just looks like zstd would take more space than xz - it wasn't a universally better sol

They seem very interested. There's lots of benchmarks and discussion. It just looks like zstd would take more space than xz - it wasn't a universally better solution. The concerns noted are totally reasonable and are based on real world issues that the teams that maintain this infra have. What's obvious, however, is that there was a lot of interest.