Continuing to speaking with myself, i've just test this feature with simulator (CCD and focuser) and it works as expected.
Logs :
[2021-05-24T11:41:47.798 CEST WARN ][ org.kde.kstars.ekos.capture] - Skipping flat/dark cap since it is not connected.
[2021-05-24T11:41:48.629 CEST INFO ][ org.kde.kstars.indi] - Telescope Simulator : "[INFO] Mount is parked. "
[2021-05-24T11:41:48.631 CEST INFO ][ org.kde.kstars.indi] - Telescope Simulator : "[INFO] Telescope slew is complete. Parked "
[2021-05-24T11:41:48.742 CEST DEBG ][ org.kde.kstars.ekos.mount] - Mount status changed from "Parking" to "Parked"
[2021-05-24T11:41:48.799 CEST WARN ][ org.kde.kstars.ekos.capture] - Skipping flat/dark cap since it is not connected.
[2021-05-24T11:41:48.799 CEST INFO ][ org.kde.kstars.ekos.capture] - "Mount parked."
[2021-05-24T11:41:48.801 CEST DEBG ][ org.kde.kstars.ekos.focus] - Focus "outward" ( 11067 )
[2021-05-24T11:41:48.803 CEST INFO ][ org.kde.kstars.ekos.focus] - "Focusing outward by 11’067 steps..."
[2021-05-24T11:41:49.806 CEST WARN ][ org.kde.kstars.ekos.capture] - Skipping flat/dark cap since it is not connected.
[2021-05-24T11:41:49.913 CEST INFO ][ org.kde.kstars.indi] - Focuser Simulator : "[INFO] Focuser moved to position 31067 "
[2021-05-24T11:41:49.913 CEST DEBG ][ org.kde.kstars.ekos.focus] - Abs Focuser position changed to 31067 (state = 1 )
[2021-05-24T11:41:50.807 CEST WARN ][ org.kde.kstars.ekos.capture] - Skipping flat/dark cap since it is not connected.
[2021-05-24T11:41:50.809 CEST INFO ][ org.kde.kstars.ekos.capture] - "Capturing 1.000-second SII image..."
@Jasem,
Wonder why it doesn't work with my focuser (Moonlight nightcrawler) ?