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Videos on do not work, the other pages already

  • For some versions I can not watch videos on the page There comes the error message "Casting failed to load".
    All addons disabled and beta / Dev. Opera tried. There, the videos do not synonymous with the same error message. Rarely does one hear the sound.
    On other sites, the videos go without problems.

  • @neronomicon Here the videos play fine in Opera developer 55 but they don't play in Opera stable 54, released today.

    I'm on Windows 10 for the matter.

  • I found out how the videos are played:

    Go to tab "Browser" -> "User interface" -
    Tick "Enable Chromecast support" checkbox

    Why do you have to make it so awkward dear developer? The FF plays the videos off.
    Even with Twitch, the new version has problems when switching to full screen (Win10 64bit). The FF is running smooth, the Opera hangs the picture before it goes to full screen.