The iPad Mini has been refreshed for 2019. Saying that, it does not have many new features, besides the A12 Bionic chip that is also found in the latest iPhones. This new little slate went through JerryRigEverything's tests, and was found to bend, but not flake apart like the iPad Pro 2018.
https://www.notebookcheck.net/New-iPad-Mini-found-to-be-less-breakable-than-new-iPad-Pro.415858.0.html