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  • Is it possible to implement night mode on sidebar messengers? Not all messengers have the ability to enable like Twitter natively. So, if we could implement it from Opera side like other local pages like bookmarks and downloads, or can inject CSS/JS with userscript extension, it would be great!

  • @shein It would need to be implemented by the pages.

  • @leocg Oh I see. Oh well.

  • @leocg After using the sidebar for a month, I notice that the login credential there for the chat is the same as that on the main page. In other words, if I log in once in either in sidebar or as a standalone page, the credential cookies seem to share.

    It would be nice if the extensions are shared to those side bar too. In that case, we can easily customize the CSS and JS of those chat via user style and script injections.