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Dialog for serial port selection missing buttons to confirm selection

  • Hello,
    i'm trying to make my serial port work with Opera according to these instructions

    Unfortunately, while this works as expected in Edge and Chrome, in Opera i am unable to select the serial port.

    When i give the JS command
    await navigator.serial.requestPort();
    a popup dialog with a list of available serial ports does appear, but there is no confirmation button on the dialog (buttons that are correctly shown in Edge and Chrome).

    I believe this to be a bug in the latest version of Opera (77.0.4054.172), can someone confirm please?

    Thank you.