Hello Mozilla team, I really love the new unified sidebar in recent Firefox versions (bookmarks, history, synced tabs, AI chatbot, etc.), but one very useful feature is still missing compared to browsers like Vivaldi, Opera, Edge (Collections sidebar), and many Firefox forks (Floorp, Zen, etc.): The ability to add and pin any custom website / web page directly into the sidebar as persistent panels. Many users (including myself) use this for: WhatsApp Web / Telegram Web Personal dashboards / university portals / email / calendars Reference sites (Wikipedia, dictionaries, Notion, Google Keep, etc.) Monitoring tools (price trackers, weather, crypto, etc.) Right now we have to rely on third-party extensions (like Page Sidebar, Open Link in Sidebar, custom sidebar_action extensions), userChrome/user.js hacks, or separate windows — none of which feel as clean, performant, or integrated as native support would be. Suggested implementation ideas: Add a "+" or "Add website" button inside the sidebar Right-click on any tab / link → "Open in sidebar" / "Pin to sidebar" Allow pinning multiple custom panels with custom names, favicons, reload intervals, dark mode respect, etc. Keep existing sidebar tools (bookmarks/history/etc.) and add a separate "Web Panels" section Optional: support for vertical tabs + web panels side-by-side This single addition would bring Firefox much closer to power-user workflows that Vivaldi and Opera already offer natively, and would reduce the need for many workarounds/extensions. Thank you for considering this it would make Firefox even more competitive for productivity users. Best regards, [AmirAbbas]
... View more