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Mixer output markers disappear after initial rendering #2685

Description

@roroid

Mixer output markers briefly appear and then disappear

INAV Configurator versions: 9.1.0 and 9.1.1
Operating system: macOS 26.5.2, Apple Silicon
Aircraft mixer: V-tail airplane
Flight controller: FLYINGRCF4WINGMINI

Description

In the Mixer tab, the colored output markers with the motor/servo numbers appear briefly when the aircraft diagram is loaded, but disappear immediately afterwards.

The output mapping itself is detected correctly:

  • Output 0: Motor
  • Output 1: Motor
  • Outputs 2–5: Servo

Only the visual markers on the aircraft diagram disappear.

Steps to reproduce

  1. Connect the flight controller.
  2. Open the Mixer tab.
  3. Watch the aircraft diagram load.
  4. The colored numbered markers appear for a moment.
  5. After the page finishes loading or refreshing, the markers disappear.

Workaround

Changing any Servo Mixer value temporarily forces the diagram to redraw, and the markers become visible again.

However, they disappear again after:

  • rebooting the flight controller;
  • reconnecting the flight controller;
  • reloading the Mixer tab;
  • restarting INAV Configurator.

Expected behavior

The colored motor and servo output markers should remain visible on the aircraft diagram after the Mixer tab finishes loading.

Actual behavior

The markers are rendered initially, but a subsequent UI refresh appears to remove them.

The mixer configuration remains correct. This seems to be only a Configurator UI rendering/redraw issue.

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