After a significant development period, we have successfully merged the refactored implementation details of Kokkos::View, which now utilizes the capabilities of std::mdspan at its core. This substantial rework essentially involved a complete rewrite of Kokkos::View. We’ve removed thousands of lines of intricate code, much of which predates Kokkos’ availability on GitHub, and replaced it with a modern foundation. While our goal is to maintain user-visible behavior (with a few exceptions n...