See also https://github.com/mozilla/geckodriver/issues/2043 which reports that since Firefox 90 possible workarounds do not work anymore. We should discuss if we should give this bug a higher priority.
Bug 1494661 Comment 5 Edit History
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See also https://github.com/mozilla/geckodriver/issues/2043 which reports that since Firefox 90 possible workarounds do not work anymore. We should check if the bug really depends on bug 1418995, and discuss if we should give it a higher priority.