That change only nerfed Adblockers and made Firefox the better supported platform for UBlock Origin but I think they talk about web environment integrety aka DRM for the web, that will break ad blockers enfirely for all sites that want to block them!
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That change only nerfed Adblockers and made Firefox the better supported platform for UBlock Origin but I think they talk about web environment integrety aka DRM for the web, that will break ad blockers enfirely for all sites that want to block them!