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Extensions don't work on sidebar

  • My question is, "why do extensions not work on the Opera sidebar?" Specifically, using the Discord sidebar addon, any themes I have (using Stylus) are not present. Any scripts I have used with Tampermonkey are not present.

    Then, in some of the sidebar additions, such as one where you can bookmark tabs or just browse the internet on the side, it shows (website) ads, which means Opera's ad-blocker isn't working on it either.

    So, does this mean that extensions don't work with Opera's sidebar additions? And if so, why not?

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