diff --git a/todo.md b/todo.md
index 6b6da95..3590a06 100644
--- a/todo.md
+++ b/todo.md
@@ -4,12 +4,13 @@ Backlog of deferred / planned work, tracked outside of milestone milestones.
 
 ## Planned
 
-- [ ] **Monitor picker in the GUI** — `stream-index` is currently config-only.
-      Enumerate monitors via the xdg-desktop-portal ScreenCast API and expose
-      a dropdown in the settings window instead of a manual index.
-- [ ] **Surface runtime errors in the GUI** — capture/encode failures currently
-      only hit the log. Show them in the status label (e.g. a denied
-      screen-share dialog) so problems are visible without reading logs.
+- [x] **Monitor picker in the GUI** — monitors are enumerated via hyprctl
+      (Hyprland) and shown as a dropdown in the settings window; the selected
+      monitor persists as `stream_index`. Falls back to a single indexed
+      option on other compositors.
+- [x] **Surface runtime errors in the GUI** — the engine records the most
+      recent capture/encode/packet/audio error and the GUI shows it in the
+      status label and tray tooltip (highlighted as a danger).
 - [x] **`--config` flag** — the CLI and GUI accept a custom config path
       (`teleportfling --config /path/config.json`); explicit CLI flags
       override file values. Used by the systemd daemon unit in contrib/.