Though that has nothing to do with the redesign directly, but this post Allow manual language selection in the Bitwarden extension brought to my attention, that you can’t select the language for the browser extension manually (latest stable and latest beta browser extension alike). I never noticed this until now. (e.g. on the mobile apps, you can manually select the language for the app)
Maybe this should be incorporated into the new extension? Having consistency between all apps is always also good for the UX, I think.