Just updated opera and it is working again, thanks anyway.
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RE: [Solved[WhatsApp Side Bar shows blank pageOpera for Windows
[Solved[WhatsApp Side Bar shows blank pageOpera for Windows
My opera version is 69.0.3686.77. When I try to open whatsapp at the sidebar it opens like this. I don't know what's happening, it started a few weeks ago, I updated Opera today to the new version and it continues like that. Whatsapp opens fine in a normal tab.