The Browser Company explains why it stopped developing Arc

image via The Verge

May 27, 2025, 3:16 PM

• •The Browser Company is shifting focus to its new AI-centric Dia browser while still maintaining Arc with security and bug fixes.
• •Arc's development halt is due to complications like complexity and performance issues, alongside the company's desire to center the user experience on AI.
• •A past security vulnerability and the growth of the security team from one to five members highlights the company's focus on security, especially with the rise of AI agents.
• •Arc will not be open-sourced or sold due to its custom infrastructure, and the company aims for future openness when it no longer poses risks.

The Browser Company is transitioning its focus to the new AI-centric Dia browser, while Arc will receive security and bug fixes, but no new features. The shift is partly due to Arc's complexity and performance issues, but also to center the user experience on AI. Security is a major concern, and the company has expanded its security team to address vulnerabilities, especially with the growing prevalence of AI agents. Arc won't be open-sourced or sold, relying on a custom infrastructure also used by Dia, with future openness planned when the company's risks are mitigated.

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