Actually, bug 1553804 had two variants for a fix, adding chrome=no and changing the opener, like here: https://hg.mozilla.org/mozill
Bug 1588006 Comment 3 Edit History
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Actually, bug 1553804 had two variants for a fix, adding chrome=no and changing the opener, like here: https://hg.mozilla.org/mozill EDIT: Hmm, somehow that got truncated, see comment #4 for the full text.