This document tries to provide some context about MLIR important changes in the context of LLVM releases. It is updated on a best effort basis. At the moment the MLIR community does not qualify the LLVM release branch specifically, it is a snapshot of the MLIR development at the time of the release. LLVM 20 LLVM 18 Properties: beyond attributes LLVM 17 Bytecode Properties: beyond attributes Action: Tracing and Debugging MLIR-based Compilers Transform Dialect Others LLVM 20 All the MLIR runner...