Editions are conflating two ideas, but that may not be the best plan

Author: Mark-Simulacrum

text/0000-roadmap-2020.md

@@ -126,6 +126,15 @@ any edition-related change would require appropriate tooling to help
 people transition their code, though the tooling might not be
 completed this year.
 
+It is notable also that the 2018 edition packaged two "experiences" into one:
+breaking changes and a reflection for the world on the work in past 3 years.
+That did not go as perfectly as we had hoped, and to this day there remains some
+confusion on this point. We should, by 2021, identify the marketing strategy we
+will use for the edition, but this should not affect the choices of breaking
+changes (as those will always be tied to the edition mechanism). We may,
+however, choose to decouple the edition from the progress report mechanism. This
+RFC explicitly does not identify which of these is the better approach to take.
+
 ## Follow-through with in-progress designs and efforts
 
 > I work with Rust for several years. The language is great, the