M ROADMAP.md → ROADMAP.md

@@ -37,10 +37,9 @@ that finished, and gives the error's first line. dingger shows both as
    done. Design question: herdr has no such status; should a failure get
    its own mark, its own sound, and the error in the panel and
    notification?
-7. **The extended-keys warning.** pi warns at every start because tmux has
-   `extended-keys` off. Decide whether dingger's tmux snippet should turn
-   it on, or leave it to your tmux config: it changes how tmux passes
-   modified keys to every program.
+7. ~~**The extended-keys warning.**~~ Gone: the tmux config turns on
+   `extended-keys` (format `csi-u`), which is all pi checks for. dingger's
+   snippet leaves it to the tmux config.
 8. **Preview in agent search.** Show the last lines of the selected agent's
    pane (`tmux capture-pane`) beside the results. Not yet.