> we did, I think the entire journey was 7 years long, communicated many times, over at least 6 major releases. maintaining dashboards in two languages increased complexity, whilst reducing compatibility, and gave a very large security surface to be worried about. we communicated clearly, provided migration tools, put it in release notes, updated docs, repeated it at conferences and on community calls

If this migration appeared to be so painful, why did you decide to finish it (and make users unhappy) instead of cancelling the migration at early stages? What are benefits of this migration?