Mozilla just released Firefox 77.0.1 to prevent DDoSing the DNS over HTTPS (DoH) providers selected automatically as part of a wider deployment test run of the standard.
"Disabled automatic selection of DNS over HTTPS providers during a test to enable wider deployment in a more controlled way," the Firefox 77.0.1 release notes explain.
"We need to be able to roll this out gradually so that we don't overload any providers," Senior Software Engineer Nihanth Subramanya said on Mozilla's bug tracker.
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