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Provide ability to change a mutable capability value in a running session. Use cases: -- temporarily enable/disable native events to perform a critical action; -- temporarily set unhandled alert behaviour to accept/dismiss for a sinle alert; -- temporarily change scrolling behaviour to top/bottom for a page with a sticky elements; -- temporarily change page loading strategy for a single page with long-loading resources. See also https://groups.google.com/forum/#!topic/selenium-developers/ttPmfo0K7Ho
Mutable Capabilities were removed from the spec so closing this bug
Defering to F2F at request
Was discussed and will not allow this.