We used to prevent exiting fullscreen while canceling the context menu on full-screen video using Esc key (bug 910532), other browsers also behave like this. But it doesn't work with native context menu on MacOS. I didn't found existing bug reporting this, so filed this bug for tracking.
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We used to prevent exiting fullscreen while canceling the context menu on full-screen video using Esc key (bug 910532), other browsers also behave like this. But it doesn't work with native context menu on MacOS. I didn't find existing bug reporting this, so filed this bug for tracking.