# Resolving ISA conflicts and providing a pain-free RISC-V Standards Upgrade Path
**Note: out-of-date as of review 31apr2018, requires updating to reflect
-"mvendorid-marchid-isamux" concept.**
+"mvendorid-marchid-isamux" concept.** Recent discussion 10jun2019
+<https://groups.google.com/a/groups.riscv.org/d/msg/isa-dev/x-uFZDXiOxY/_ISBs1enCgAJ>
## Executive Summary