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Stylish does not work when opening a new tab on Firefox Quantum
Seems I'm the 1st experiencing this.
On the Firefox v58.0, with Stylish 3.0.0, if I open a new tab (not focused) the styles won't be applied (edit seems only the background is not applied), if I refresh the page everything looks as expected.
Although on Firefox Developer v59.0b I can't reproduce the same, nor on Chrome v63, this was tested doing the same steps and pages.
Anyone else experiencing the same?