OpenAI has updated its ChatGPT Atlas browser with a new vertical tab layout that mirrors the design of the Arc browser. Users can now switch to a left‑hand sidebar for tab management, resize the sidebar, and reorder tabs. The change also brings the ability to set Google as the default search engine, drag multiple tabs with Command or Shift, import extensions during initial setup, and support for iCloud keychain passkeys. Additional tweaks improve the downloads interface, while the core ChatGPT‑powered search experience remains unchanged. Read more →